Saturday, August 30, 2014 596-SURF , 596-WAVE , 922-BONG , 638-RUSH , 572-SURF(MAUI) , 241-SURF (KAUAI) , 324-RUSH (BIG ISLAND)
   
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4/20-4/26. On 5/18 off 5/30. off 8/6
on 7/11. on 8/21
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North Shore underground legend Stormin Normin passes away Norm Marsh died from prostate cancer earlier this week. 'Stormin Normin' was a fixture on the North Shore since the mid 70s' and could always be seen ripping Laniakea in his speedos. A true NS gem, Norm was a commited surfer, always in top shape and loved the big waves. Thus, the name 'Stormin Normin' cause he charged hard. He was the last person one would expect to lose his life to cancer. It was always assumed 'Stormin Normin' would be hitting the surf into old age. A lesson for us all about the fragile, precious time we have on planet earth. RIP Norm and thank you for the inspiration. Next wave is for you. Aloha, gq. Read the Full Story
#TOURNOTES: JOHN JOHN, KELLY, AND THE HEAT Classic sorta impromptu talk story sesh with one young and one 'older' living legend....about the heat of a lifetime. Read the Full Story
LOCAL SWELL TRACKER: Tons of SSW swell in the forecast starting Thursday. East side ramps up big time Thursday-Saturday. BIG SURF PICTURE  8/26/14 SPAC: The Jet down under has been dominant with equatorial bound (ENE) flows leading to plenty surf, but the last few days its been zonal (west to east) with 2 branches staying the same most this week. By Thursday/Friday there’s another ENE tilt which will enhance a big storm but it'll be sending much of the energy off to our east since the equatorbound flow is far off NZL to under French Polynesia. Read the Full Story
'Endless Summer' movie inspires Hawaii surfing-centered resort. The Honolulu investors who are redeveloping the iconic Coco Palms Resort on Kauai plan to develop a 400-unit resort in West Oahu centered around a four-acre surfing wave pool that will be themed after the iconic surfing movie " The Endless Summer," the Greene Waters Group of Bridge Real Estate told PBN on Sunday. Principals Chad Waters and Tyler Greene have partnered with Bruce Brown Films and licensed the rights to the 1960s popular surfing movie to launch Surf City Hui LLC, the ownership entity for the concept resort that will be called The Endless Summer Resort.... Read the Full Story
Medina beats Slater at Teahupo'o in what many claim to be the best ASP contest ever. Amazing final day of Billabong Pro Tahiti drops jaws Surf News Network, 25 August, 2014: Teahupo'o, Tahiti - The world’s best surfers put everything on the line as they battled the world’s most dangerous wave for an historic Finals day at the Billabong Pro Tahiti, stop no. 7 on the 2014 Samsung Galaxy ASP World Championship Tour (WCT). The Final Day's 12-man field took on perilous conditions and monster 12-to-15 foot barreling waves, the biggest of the season, in pursuit of victory. It was Gabriel Medina (BRA) who came out on top to claim the coveted title of Billabong Pro Tahiti Champion after an unbelievable day of competition and what is being dubbed the best WCT contest in history.... Read the Full Story
This will be the hottest surfing debate of the year... SafeSurfHawaii is a group of surfers, bodyboarders and bodysurfers who believe that the time has come for the DLNR to adopt rules that will ensure that Hawaii's surf zones are safe and enjoyable for all waveriders. The increasing presence of Stand Up Paddleboard ("SUP") users in Hawaii's surfzones has created both safety and fair access problems for surfers, bodyboarders and swimmers. The time has come for the DLNR to adopt rules regulating the use of SUPs in surf zones (or at least to try a pilot project in a limited area offshore from Ala Moana Beachpark ... i.e. the Safe Surfzones Pilot Project)... Read the Full Story
Kai Sallas claims ASP 1-Star LQS event at Dukes OceanFest Surf News Network, 22 August, The gods sent the surf for the Duke's OceanFest on Thursday for the finals of the Association of Surfing Professionals one star long boarding contest. A stand out in the competition was Maui Zane who is originally from Maui but lives and works in Waikiki.... Read the Full Story
Gabriel Medina beats Kelly Slater to win his 3rd event. Sunday's post: Perfect 10s spike Billabong Pro Tahiti Round 3 photo: John John Florence © ASP / Will H-S Being called the best contest in ASP History. Perfection. Full story coming. Yesterday. Surf News Network, 24 August, Teahupo'o - The world’s best surfers returned to the world’s most dangerous wave for the recommencement of stop no. 7 on the 2014 Samsung Galaxy ASP World Championship Tour (WCT), the Billabong Pro Tahiti, this morning and the action reached a fever pitch as the original 36-person field was whittled down to the final 12... Read the Full Story
Billabong Pro Tahiti is 4-5' and rising. Round 3-4. Oceanic 250. Heat 1: Taj Burrow (AUS) loses to an in rythm Tiago Pires (PRT) Perennial World Title bridesmaid Taj Burrow, World No. 4, faced off against Tiago Pires, World No. 28 and the 2014 WCT wildcard. After a restart, Pires took the first wave at the horn, earning a solid 7.50 and putting Burrow on the defense. Burrow answered back with a solid drop, but it earned him a 6.17, keeping him in a defensive role. Throughout the heat Pires continued to grab wave after wave, scoring an 8.00 on one ride, and topping it with a 9.00. The scores put him well ahead of his veteran opponent, with a 17.00 to Burrow's combined 6.54 at the halfway mark. A 25th puts Taj at a bad spot for a world title this year. Read the Full Story
Duke's OceanFest rolls with lifeguards & longboards & much more! photo & story from SNN Team mate Betty Depolito Aloha Surf Lifesaving Team Wins Lifeguard Challenge from Wednesday before the SSW hit.
20 August- Thursday at the 13th Annual Duke's OceanFest the ASP Pro long boarders hit the water at Queens Surf Break for the one star Association of Surfing Professionals event. Surf was a tricky 1-2 feet with inconsistent sets durning the 20 minute round one heats. The round shuffled the competitors for their quarter final bouts, August 21st...
Read the Full Story
Teahupoo tops the list as one of surfings deadliest spots Allow us to preface this article with this: Surfing is not a particularly dangerous sport. You’re much more likely to die on the freeway than while pursuing the passion of wave riding. That said, tragedy strikes the tight-knit surf community more often than we would like, and there are a handful of surf spots where dying is more likely than at others. Regardless, surfers flock to these deadly waves in droves. It’s the rush, the danger, and the sheer joy one gets from flying down the face of an incredibly large mountain of water that keep us coming back for more despite the odds—albeit minuscule—of that being that fateful last ride. Read the Full Story
Surf's rising all day! Go Live to the Dukes OceanFest! Waves are coming up and up for the competitors. Watch for Friday to be peaking and much more consistent. Thursday we get the Wahines and Kanes Pro Am, The ITSA pro, The Papa He'e Nalu Alaia contest, The Dukes Expo, and tonight the Watermans Hall of Fame Awards Dinner at Outrigger. Read the Full Story
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Waves, Winds, Weather compliments of Leahi Health Beverages

Your exclusive SNN Obs for this Saturday Aug. 30th  9am update

Light trades this morning with a mix of sea breezes and light trades starting up.  Another hot, beautiful day.

NORTH: Dropping at 0-1/2' with only isolated spots still picking up on the ENE Marie wrap; it's clear and lite offshore ENE trades; best for diving, paddling, swimming etc. See SNN Laniakea and Chuns cams. West: Makaha is dropping on the SSW at 1-2' and maybe plus for other south western reefs & glassy conditions. Town: Dropping at 2-3'+at Ala Moana, Kaisers, Kewalos (check our Bowls-Courts CAM); light trade wind texture;.  Diamond Head: Dropping on the SSW at 2-3'+  and so far it's good light sideoffshore ENE trades (see SNN Cam). Sandy's: Dropping on the SSW and  E wrap at a good clean 2-3'+ and plenty barrels and breaking all over with closing shorebreak.  East: Makapu'u:  Dropping from the ENE swell the slightly bumpy 1-3'. Some waves on the outside but most on the left to the middle mostly and a bit smaller at Keiki's...5-15 mph ENE trades.

Events, News etc.

Long time NS fixture and committed surfer, Stormin' Normin passed away yesterday from cancer. Our Thoughts and Prayers go out to his Family and Friends.

Quote of the week:   "It was incredible. I've never seen anything like it and today will go down as one of the best days of surfing in my career, no question". Kelly Slater on the Billabong Pro Tahiti 8/25/14

SNN BIG Picture updated Monday 8/26 HERE

See the SNN animations page for a fast glance at the Storms & Weather HERE

Sandy's on Friday. 5' explosions too by Chambers.

 

 

 

 

 

 

 

 
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Surf Report

Tides -

Surf

North
Sat '08/30'
Dropping - E-NE
HAW: 0-1
FACE: 0-1.5
isolated reefs +
Sun '08/31'
Holding - E-NE
HAW: 0-1
FACE: 0-1.5
Mon '09/01'
Dropping - E-NE
HAW: 0-1
FACE: 0-1.5
Tue '09/02'
Holding - E-NE
HAW: 0-1
FACE: 0-1.5
Wed '09/03'
Dropping - E-NE
HAW: 0-1
FACE: 0-1.5
Haleiwa
Sat '08/30'
Time
Ht.
H 6:18 AM 1.3 ft.
L 11:24 AM 0.5 ft.
H 5:40 PM 1 ft.
---
Sunrise: 6:14 AM
Sunset: 6:48 PM
Sun '08/31'
Time
Ht.
L 11:03 PM 0.2 ft.
H 7:20 AM 1.3 ft.
L 12:51 PM 0.6 ft.
H 6:28 PM 0.8 ft.
Sunrise: 6:14 AM
Sunset: 6:47 PM
Mon '09/01'
Time
Ht.
L 11:50 PM 0.2 ft.
H 8:32 AM 1.4 ft.
L 2:39 PM 0.6 ft.
H 7:42 PM 0.7 ft.
Sunrise: 6:15 AM
Sunset: 6:46 PM
Tue '09/02'
Time
Ht.
L 12:52 AM 0.2 ft.
H 9:44 AM 1.5 ft.
L 4:07 PM 0.5 ft.
H 9:21 PM 0.7 ft.
Sunrise: 6:15 AM
Sunset: 6:45 PM
Wed '09/03'
Time
Ht.
L 2:05 AM 0.2 ft.
H 10:48 AM 1.6 ft.
L 5:02 PM 0.4 ft.
H 10:47 PM 0.7 ft.
Sunrise: 6:15 AM
Sunset: 6:44 PM

West
Dropping - S-SW
HAW: 1-2+
FACE: 1-3+
Dropping - S-SW
HAW: 1-2+
FACE: 1-3+
Dropping - S
HAW: 1-2+
FACE: 1-3+
Rising Later - S
HAW: 0-2
FACE: 0-3
Dropping - S
HAW: 0-2
FACE: 0-3

South
Dropping - S-SW
HAW: 2-3+
FACE: 3-5+
Rising - S-SW
HAW: 2-3
FACE: 3-5
3' 16 sec event
Dropping - S
HAW: 2-3
FACE: 3-5
New 24 sec forerunners Tues South
Rising Later - S
HAW: 1-2+
FACE: 1-3+
Dropping - S
HAW: 1-2+
FACE: 1-3+
Honolulu Harbor
Sat '08/30'
Time
Ht.
L 12:31 AM 0.2 ft.
H 7:20 AM 1.6 ft.
L 1:29 PM 0.7 ft.
H 6:42 PM 1.2 ft.
Sunrise: 6:14 AM
Sunset: 6:48 PM
Sun '08/31'
Time
Ht.
L 1:08 AM 0.2 ft.
H 8:22 AM 1.7 ft.
L 2:56 PM 0.7 ft.
H 7:30 PM 1.1 ft.
Sunrise: 6:14 AM
Sunset: 6:47 PM
Mon '09/01'
Time
Ht.
L 1:55 AM 0.2 ft.
H 9:34 AM 1.7 ft.
L 4:44 PM 0.7 ft.
H 8:44 PM 0.9 ft.
Sunrise: 6:15 AM
Sunset: 6:46 PM
Tue '09/02'
Time
Ht.
L 2:57 AM 0.2 ft.
H 10:46 AM 1.9 ft.
L 6:12 PM 0.6 ft.
H 10:23 PM 0.8 ft.
Sunrise: 6:15 AM
Sunset: 6:45 PM
Wed '09/03'
Time
Ht.
L 4:10 AM 0.2 ft.
H 11:50 AM 2 ft.
L 7:07 PM 0.4 ft.
---
Sunrise: 6:15 AM
Sunset: 6:44 PM

East
Dropping - E
HAW: 1-3
FACE: 2-5
Dropping - E
HAW: 1-2+
FACE: 1-3+
Dropping - E
HAW: 1-2+
FACE: 1-3+
Dropping - E
HAW: 1-2+
FACE: 1-3+
Dropping - E
HAW: 1-2
FACE: 1-3

Winds
Hawaii
Sat '08/30'
E E
Mph: 5-15+
seabreezes 11a-4p
Sun '08/31'
E E
Mph: 5-15
11am seabreezes
Mon '09/01'
Light/Var
Mph: 5-15
east flow to 11am seabreezes
Tue '09/02'
E-NE E-NE
Mph: 5-10
east flow to 11am seabreezes
Wed '09/03'
E-NE E-NE
Mph: 5-10
east flow to 11am seabreezes

Current Swells

Sat '08/30'
Primary : S-SW / Dropping , 2-3+
Secondary : E-NE / Dropping , 1-2+
Third : E / Dropping , 1-2'

Marine Warnings

Sat '08/30'
Hawaii : None...extreme UV so bring da BullFrog!

Sailing Report

Sat '08/30'
Hawaii : Light trades with afternoon sea breezes near the islands

Diving Report

Sat '08/30'
Hawaii : Good for north and west shores. Fair for the east side and best for deeper dives along the south coast due to a lingering ssw swell.

Oahu

Spot Direction Height - Hawaiian Scale Height - Face Scale Winds Conditions Comments
Oahu - Sunset E-NE Flat- to 1 1/2-feet 0 to Thigh Light Trades diving , paddling and fishin'

Oahu - Pipeline E-NE Flat- to 1/2 foot 0 to Ankle Snappers Light Trades diving , paddling and fishin'

Oahu - Rocky Point E-NE Flat- to 1 foot 0 to Knee Light Trades diving , paddling and fishin'

Oahu - Haleiwa COMBO Flat- to 1/2 foot 0 to Ankle Snappers Light Trades diving , paddling and fishin'

Oahu - Makaha S-SW 1- to 2-feet, occ. 3 feet Knee to Waist occ. Head Light Trades good

Oahu - Ala Moana S-SW 2- to 3-feet, occ. 4 feet Waist to Head occ. 1-2 ft. Overhead Light Trades good

Oahu - Waikiki S-SW 2- to 3-feet Waist to Head Light Trades good

Oahu - Diamond Head S-SW 2- to 3-feet, occ. 4 feet Waist to Head occ. 1-2 ft. Overhead Light Trades good

Oahu - Sandy Beach COMBO 2- to 3-feet, occ. larger sets Waist to Head occ. + Light Trades fairly clean

Oahu - Makapuu E-NE 1- to 3-feet Knee to Head Light Trades good

Maui

Spot Direction Height - Hawaiian Scale Height - Face Scale Winds Conditions Comments
Maui - North-Hookipa area COMBO Flat- to 2-feet 0 to Waist Light Trades smooth

Maui - Upper West - Honolua COMBO Flat- to 1/2 foot 0 to Ankle Snappers Light Trades smooth

Maui - Lower West - Lahaina S-SW 2- to 3-feet Waist to Head Light Trades good

Maui - South - Kihei S-SW Flat- to 1 1/2-feet 0 to Thigh Light Trades good

Maui - East - Hana E-NE 1- to 3-feet Knee to Head Light Trades good

Kauai

Spot Direction Height - Hawaiian Scale Height - Face Scale Winds Conditions Comments
Kauai - North - Hanalei COMBO Flat 0 to Flat Light Trades smooth

Kauai - West - Majors COMBO Flat- to 2-feet 0 to Waist Light Trades smooth

Kauai - South - Poipu S-SW 2- to 3-feet Waist to Head Light Trades good

Kauai - East - Kapaa E-NE 1- to 3-feet Knee to Head Light Trades good

Big Island

Spot Direction Height - Hawaiian Scale Height - Face Scale Winds Conditions Comments
Big Isl. - North - Hamakua Coast E-NE 2- to 3-feet Waist to Head Light Trades fair to good

Big Isl. - North West - Kohala COMBO Flat 0 to Flat Light Trades diving , paddling and fishin'

Big Isl. - South West - Kona Coast S-SW 2- to 3-feet Waist to Head Light Trades good

Big Isl. - East - Hilo Coast E-NE 1- to 3-feet Knee to Head Light Trades good

Big Isl. - SE to S Puna, Ka u Coasts COMBO 2- to 3-feet, occ. larger sets Waist to Head occ. + Light Trades fair to good

Sponsored by Hawaiian South Shore.

THE WHERE, WHEN & WHY OF HAWAII’S WAVES & WEATHER: A VIDEO PRESENTATION BY SNN

Winds Statewide in a glance ...go HERE (this link is also the 4th drop down under weather)

Aug 29, 2014 4:00 AM HST

Marine
Easterly swell is still forecast to build over the Hawaiian coastal waters today, and advisory-level surf also will affect south-facing shores. Interaction between the long-period east and south swells may produce strong currents in some areas. The surf from both swells will decline slowly through the weekend.

With trade wind speeds more likely to diminish than to increase through the first half of the forecast period, it is doubtful that they will approach the criterion for a small craft advisory. However, the long-period easterly and southerly swell could produce locally large and confused seas.

Watches/Warnings/Advisories
High surf advisory until 6 am HST Saturday for Niihau, Kauai windward, Kauai leeward, Oahu south shore, Waianae coast, Oahu Koolau, olomana, Molokai, Lanai makai, Kahoolawe, Maui windward west, Maui leeward west, Maui central valley, windward Haleakala, leeward Haleakala, Kona, south Big Island, Big Island north and east.

Synopsis
The trade winds will weaken further, becoming light by early next week. A trough moving over the southeast half of the state may increase clouds and showers through about noon today. Over the weekend, sea breezes will encourage cloud buildups and a few showers in island interiors by day, while land breezes bring clearing at night. The trade winds may start to return by the middle of next week, though they will remain on the light side of average for some time.

Discussion
Surface observations around the main Hawaiian islands reported very light trade winds. Precipitation across the state remained sparse, with individual totals also diminishing through the night. Since the inversion stayed high, and precipitable water adequate, these dry conditions probably were supported at least in part by land breezes.

Although a mid-level ridge prevailed to the southeast of the islands, a broad trough was present to the northwest through northeast. Most likely it was this feature that encouraged active towering cumuli to develop near 30°N.

Satellite estimates showed a plume of moister air approaching Maui county from the east, and the cloud feature associated with this plume developed considerably during the past few hours. In-station analysis suggested that this feature remained a trough rather than a closed low, at least near the surface, but in any case it may enhance rainfall later today as it moves ashore over Maui and Hawaii counties. Pops and associated fields have been increased accordingly.

Guidance predicted additional moisture surges to reach the state periodically into next week, though with time the different solutions ended up following different periods, complicating a deterministic forecast. With trade winds very weak by Monday, diurnal showers produced by sea breezes may dominate weather from day to day, with the moisture surges only amplifying the magnitude of the daily event.

In any case, ridging aloft will expand over the islands from the southeast during the weekend, so by next week subsidence will start to crush down the inversion. However, a front north of 30°N will keep the surface ridge anchored near the islands well into next week, so the trade winds will recover only very slowly.

BIG SURF PICTURE 8/26/14

SPAC:

The Jet down under has been dominant with equatorial bound (ENE) flows leading to plenty surf, but the last few days its been zonal (west to east) with 2 branches staying the same most this week. By Thursday/Friday there’s another ENE tilt which will enhance a big storm but it'll be sending much of the energy off to our east since the equatorbound flow is far off NZL to under French Polynesia.

Recent: We’ve had nonstop surf for about 2 weeks; 2 Lows tracked SE of NZL Thursday 8/7 and these sources created surf the 1st weekend for the Dukes Oceanfest! Then a powerful Low a few days after with 55kts saw into our window SE of NZL hugging the East coast with a captured fetch. We got 18 sec forerunners Wed the 20th reaching 3’ 15 sec swells or 2-4+ SSW surf Thursday midday and the final Dukes weekend…one of the best weeks for the OceanFest in over 5 years.

Currently, we saw some 4’ sets from the SSW this past F-M from 2 sources: a gale 40kt storm east of NZL mid August. Her fetch head got to 3500 miles away which allowed for head high sets. Then a stronger system further SE of NZL with 47kts added more size over the weekend and into Monday. Some spots peaked 5’ over the weekend but these were special cases/spots. Things level off to head high Tuesday.

Next: Another compact Low SE of NZL tracked east again last Monday-Tuesday and will keep us at 3’ solid before a SSW swell arrives Wednesday.

Next: The Jet set up a long wave trough from Wednesday the 20th. We also saw a big High in the Taz which created solid winds in between the High spinning counter clockwise next to the Low spinning clockwise (opposite spins from the NPAC). This allowed a huge fetch area east of NZL last Thursday-Saturday. The head of the fetch got to within 3000 miles which is about 1000 miles closer than the usual. This means less ocean swell decay over distance and another round of advsry surf filling late Wednesday peaking Thursday into Saturday and even Sunday…High Surf threshold for South swell is 8’ crest to trough which is what typical surfers look for. The NS needs 15’ or twice the size which most surfers don’t look for. Why the large difference is likely extra safety precautions where populations are greatest.

Next: : Models backed down big time on their output a week ago for a new event early Sept. A broad gale Low far east of NZL reached near Tahiti last weekend. Now, it’s going to be 1-3’ South Sunday-Tuesday.

Last couple: Low confidence of models showing a big broad storm up off the Ross Ice Shelf Wed the 27th which fades fast and followed up fast by a much bigger Low Thursday. The issue is the ENE track but side band swell should hit 3 maybe 4’ with long periods Thursday sept 4-6th. Let’s take a better look this weekend.

NPAC

The weak Jet up North is continuing it’s summer position with poor potential for swell enhancement, and tho’ she’s elongated the winds are too light for anything. Most the deeper troughing occurs under the gulf toward the end of the 7 day forecast.

Recent: It’s been quite and average after the long run of Typhoon West swells and Hurricane N swells making Aug the best in memory. Reliable sources like Pat Kelly with over 40 years up there plus, a former NS Capt and SNN eye’s on the country claimed it.

Next: East wrap from hurricane Maria will send long 2-3’ 14-16 second periods producing surf up 4’ around Kahuku and less to select spots toward Haleiwa starting Thursday and into the weekend.

Next: nothing is on the models out over 10 days.

Windward side:

Recently, small 2’ East swell have been dominant but that’s increasing today from 2 Tropical systems:  Lowell and Karina off Baja and weakening. Then it goes up big time with a rare push of 14- 17 second East surf from Cat 5 Hurricane Maria tracking ENE off of Baja (see below). Surf on the windward spots will reach as high as 7’ local scale. We also have two 1030mb High up beyond 40 north or 1200-1500 miles away keeping us in the typical trade wind pattern. So after this upcoming run its back to normal by next Wednesday.

Tropics: Cat 5 Hurricane Maria built this past weekend SSW of Baja and is expected to move NW and weaken to a Tropical Storm before Friday staying over 1200 miles to our NE. She built 40’ seas and will send off some of that High surf advsry East swell Thursday-Saturday. The main feature will be the long periods which refract and shoal off the ocean floor much more than the typical 8-10 sec windswell we usually ride. Watch for spots to break with more power and current.

 

FETCH: Often called the fetch length, is a term for the length of water or distance over which a given wind direction has blown. Fetch length along with the wind speed (or strength) determines the size of waves produced. The longer the fetch length and the faster the wind speed, the larger and stronger the wave will be and vice versa.
CAPTURED or FOLLOWING FETCH: Not only does the fetch length determine the power and energy of the wave. Additionally, if the winds/fetch are blowing in the same direction as during the wave's or storm's lifetime, the wave will in turn be even stronger. The fetch is related to the orbit of the wave and track of the storm.The longer the wind drags along the sea the more energy the wave will have. This can be seen not just in vertical height measurement but in wave period (the measurement of waves through time).
WAVES PERIOD:Time, in seconds, between the passage of consecutive wave crests past a fixed point. In general the longer the period the bigger the wave. Windswell or 'close interval' swells are under 10 seconds. Big 'ground swells' are 17-20+ seconds (note: a 20+ second swell needs storm force 50+kt winds blowing over a 1500 mile fetch to be fully developed' into 20-25' beasts; these 20 second waves can be felt 1000 feet down!). This is why they jack so much more, pulling large amounts of H2O off the outer reefs.

More generic marine definitions click this link  http://www.prh.noaa.gov/hnl/pages/marinedef.php

....All surf height observations and forecasts are for the full face surf height, from the trough to the crest of the wave.

Advisory and Warning Criteria
LocationAdvisoryWarning
North-Facing Shores 15 Feet (8') 25 Feet
West-Facing Shores - Big Island 8 Feet (4'+) 12 Feet
West-Facing Shores - Remaining Islands 12 Feet (7') 20 Feet
South-Facing Shores 8 Feet (4'+) 15 Feet
East-Facing Shores 8 Feet (4'+) 15 Feet
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