HUNTINGTON BEACH, CA, USA - Friday July 31th 2015 - Filipe Toledo advanced into round for while posting the highest heat total of the event with a 18.67. 
Image: © WSL/Rowland
Photographer: Rowland
Social Media: @wsl @nomadshotelsc
This Image is the Copyright of the World Surf League. It is for editorial use only. No commercial rights granted. hall of famer.6inductees AlbeeHabiti Courtney Conlogue (USA) won her fourth round heat today and has advanced into the quarterfinals at Vans U.S. Open of Surfing. quizon_rowland Pruvost.Chopes kanoa_igarashi_2__large Tatiana-Weston-Webb-wave-credit-Steinmetz-for-ASA-Ent-600x405 MOLOKAIwinner dannyfuller

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715am 7/31 powered by Surf n Sea Blue Moon Paddle Tonight!

A mostly sunny day with moderate to isolated fresh gusts E trades making small craft advsrys for Maui-Big Is.

New small SSW. No significant swells out 2 weeks. Minus Low 930am. Fat 2.4' at 430pm. Call the SNN Hotline 596-SURF.

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North Shore:

Down to mostly summer flatness. Sunset Pt. is smooth 0' & Rocky Pt 0- inches' ; Pipe- Chuns 0-0' & Laniakea 0' with good, smooth AM offshores; great dives; mostly clear.
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West:

Down but new SSW 0-1 maybe some occ 2' at select westside reefs but lake Makaha hasn't focused it yet. Glassy early then mostly offshores; clear and clean.
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Town:

Up and rising on a new 15 sec SSW. Surf's 1-2 with occas. almost 3' sets at Kewalo's-Bowls-Kaisers (channel reefs); good texture with moderate AM to fresh gusts later side-offshores & nice skies.
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Diamond Head:

Up and rising on the 15 sec SSW+ 9 sec SSE @ 1-2 occ near 3' at Right hands/Cliffs/Lite House. Longer lines today & semi bumpy sideshores. Partly cloudy.
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Sandy's:

Holding on the S-SW+SSE +East mix @ 1-2-3' with some good sandbars, blue barrels, 10-25 East trades; from Full-Half Pt and Pipe little's; nice day.
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East Makapu'u:

Up and holding E trade swell at 1-2 maybe the nearly 3' set outside left and toward middle and 1-2' toward Keiki's with typical choppiness & typical clouds.

Weather

Friday
with="64"

Temp
min:
76°F
max: 88°F

Partly Cloudy

Wind:
28mph ENE

Saturday
with="64"

Temp
min:
75°F
max: 87°F

Partly Cloudy

Wind:
28mph ENE

Sunday
with="64"

Temp
min:
75°F
max: 87°F

Partly Cloudy

Wind:
23mph ENE

Monday
with="64"

Temp
min:
75°F
max: 88°F

Partly Cloudy

Wind:
18mph NE

Tuesday
with="64"

Temp
min:
75°F
max: 90°F

Chance of Rain

Wind:
13mph NE

E
10-25

E-NE
10-25

NE
10-20+

E-NE
15-25+

E-NE
10-20

North

Friday
07/31
NE
Haw: 0
Face: 0
Holding
clear, clean, dive, paddle
Saturday
08/01
NE
Haw: 0
Face: 0
Holding

Sunday
08/02
NE
Haw: 0
Face: 0
Holding

Monday
08/03
NE
Haw: 0
Face: 0
Holding

Tuesday
08/04
NE
Haw: 0-1/2
Face: 0-1
Holding

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West

Friday
07/31
S-SW
Haw: 1-2
Face: 1-3
Rising
new 15 sec background level; clear, clean
Saturday
08/01
S-SW
Haw: 1-2
Face: 1-3
Holding
14 sec
Sunday
08/02
S-SW
Haw: 1-2
Face: 1-3
Holding

Monday
08/03
S-SW
Haw: 0-2
Face: 0-3
Holding

Tuesday
08/04
S-SW
Haw: 0-2
Face: 0-3
Holding

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South

Friday
07/31
S-SW
Haw: 1-2+
Face: 1-3+
Rising
1.5' 15 sec; clear, fairly clean
Saturday
08/01
S-SW
Haw: 1-2+
Face: 1-3+
Holding
1.5' 14 sec
Sunday
08/02
S-SW
Haw: 1-2+
Face: 1-3+
Dropping

Monday
08/03
S-SW
Haw: 1-2 occ +
Face: 1-3 occ +
Holding

Tuesday
08/04
S-SW
Haw: 1-2
Face: 1-3
Holding

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east

Friday
07/31
E
Haw: 1-2+
Face: 1-3+
Rising
7 seconds; clouds, choppy
Saturday
08/01
E
Haw: 1-2 occ 3
Face: 2-4 occ 5
Holding

Sunday
08/02
E
Haw: 1-2 occ 3
Face: 2-4 occ 5
Holding

Monday
08/03
E-NE
Haw: 1-2+
Face: 1-3+
Dropping

Tuesday
08/04
E-NE
Haw: 1-2+
Face: 1-3+
Holding

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Current Swells:

Friday   07/31
Primary: Rising  S-SW  1-2.5' surf at 15 sec
Secondary: Rising  E  1-2+' surf at 8 sec
Third: Dropping  S-SW  1-2' surf at 11 sec
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Marine Warnings:

Friday   07/31
small craft adv for channels of Maui and Big Is
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Sailing Report:

Friday   07/31
Good w/ increasing 10-25 E trades
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Diving Report:

Friday   07/31
Great for North & for West & fair for East, fair for south.

Oahu

SUNSET
Friday   07/31
NE
Haw: 0
Face: 0
East Trades moderate
good

ROCKY POINT
Friday   07/31
NE
Haw: 0-1/2
Face: 0-1
East Trades moderate
good

Pipeline
Friday   07/31
NE
Haw: 0
Face: 0
East Trades moderate
diving , paddling and fishin'

HALEIWA
Friday   07/31
COMBO
Haw: 0
Face: 0
East Trades light-moderate
smooth

MAKAHA
Friday   07/31
S-SW
Haw: 0-1
Face: 0-1.5
East Trades light-moderate
good
Bigger at other reefs
ALA MOANA
Friday   07/31
S-SW
Haw: 1-2+
Face: 1-3+
East Trades moderate
fair to good

Waikiki
Friday   07/31
S-SW
Haw: 1-2 occ +
Face: 1-3 occ +
East Trades moderate
smooth
China's LB Classic
Diamond Head
Friday   07/31
SSE+SSW
Haw: 1-2 occ 3
Face: 2-4 occ 5
East Trades moderate-fresh
fair

Sandy Beach
Friday   07/31
SSE+SSW
Haw: 1-3
Face: 2-5
East Trades moderate
fair to good
+ Trade swell
Makapuu
Friday   07/31
E-NE
Haw: 1-2 occ 3
Face: 2-4 occ 5
East Trades moderate-fresh
choppy

Maui

Hookipa
Friday   07/31
E-NE
Haw: 0-1/2
Face: 0-1
East Trades moderate-fresh
sailin' and kitin'

Honolua
Friday   07/31
NE
Haw: 0
Face: 0
East Trades moderate
smooth

Kihei
Friday   07/31
S-SW
Haw: 0
Face: 0
East Trades moderate
good

Hana
Friday   07/31
E-NE
Haw: 1-3
Face: 2-5
ENE Trades moderate-fresh
choppy

Lahaina
Friday   07/31
S-SW
Haw: 1-2
Face: 1-3
ENE Trades light-moderate
good

Kauai

Hanalei
Friday   07/31
NE
Haw: 0
Face: 0
East Trades light-moderate
smooth

Majors
Friday   07/31
S-SW
Haw: 0-1
Face: 0-1.5
East Trades moderate
good
winds veering
Poipu
Friday   07/31
S-SW
Haw: 1-2 occ +
Face: 1-3 occ +
ENE Trades moderate
good
Clean AM
Kapaa
Friday   07/31
E-NE
Haw: 1-2+
Face: 1-3+
East Trades moderate-fresh
choppy
Fire, Traffic early

Big Island

Hamakua Coast
Friday   07/31
E-NE
Haw: 1-2 occ 3
Face: 2-4 occ 5
East Trades moderate-fresh
choppy

Kohala
Friday   07/31
COMBO
Haw: 0
Face: 0
East Trades moderate-fresh
diving , paddling and fishin'

Kona
Friday   07/31
S-SW
Haw: 1-2
Face: 1-3
Trades light-moderate
good

Hilo
Friday   07/31
E
Haw: 1-2+
Face: 1-3+
Trades moderate
bumpy

Kau
Friday   07/31
SSE+SSW
Haw: 2-3
Face: 3-5
ENE Trades moderate-fresh
fair to good

Weather

Jul 18, 2015 10:00 AM HST

Synopsis
A surface high far northeast of the islands will bring trade winds to the area through midweek. The high will be replaced during the middle of the week, which will cause the winds to gradually subside. Look for winds to strengthen again during the latter part of the week. Through the week, showers will be focused over the windward areas, with some afternoon showers over leeward and interior areas when the trades weaken.

Discussion
In general good agreement between the models with the forecast for the week. High pressure far to the northeast of the islands will be replaced by a new high mid week. During that transition, trade winds will weaken, which will allow for some localized land and sea breezes. The resultant ridge remains north of the islands through the transition, but during the second half of the week, the high shifts to be more north of the islands. By the end of the week the trade wind speeds should rebound to more moderate levels.

There is good agreement with the development of a 500 mb low to the northeast of the islands overnight and move to the west. The general path brings the center of the low north of Kauai Monday night. The 500 mb temperatures over the islands with this system remain within normal for this time of year, but it is possible that this system could destabilize the atmosphere again. Earlier forecast update put the slight chance of thunderstorms into the forecast for the Kona slopes tomorrow afternoon. Have left those in place but altered the associated pops.

The global models are in good agreement with a slug of drier air moving over the islands Monday night and Tuesday, which would put some limits on the amount of shower activity. Have made some modifications to the pops through this time period. As the upper low moves west of the islands, the models show an increase in low level moisture moving towards the islands from the southeast, which could increase the shower activity. During this time mid week, winds will be lighter so the showers could form over leeward and interior areas.

More moderate trades are expected to end the week, with showers focused over the windward and mountain areas.

Aviation
Vfr conditions prevail at all taf sites and these conditions are expected to continue through tonight. There may be some local MVFR conditions over windward slopes due to low clouds and SHRA. No airmets are currently in effect.

Marine
A small craft advisory /sca/ is in effect for the typical windier locations near the Big Island and Maui county. Ascat pass last night showed 20 kts, which matched well with hi-res models like the arw and the nmm, which showed a brief uptick expected in the winds today. The SCA goes through 6 am Sunday, but the main focus will be this afternoon. The winds will drop below SCA levels then through mid week, with the next chance for SCA winds coming later in the week.

Surf along east facing shores will be near advisory levels through the next several days due to a number of swells. Current buoy reports match well with the wave watch data and the current forecast so not expecting any changes with that in the short term.

An anticipated intensifying storm system in the south Pacific just east of New Zealand in the next couple of days, will be generating a nice size swell towards Hawaii with the arrival time of Friday night. Please refer to the surf discussion /srdhfo/ discussion for more details.

Watches/Warnings/Advisories
Small craft advisory for waters around Maui including Maalaea Bay and waters south of the Big Island until 6 am HST Sunday.

Advisory and Warning Criteria
Location Advisory Warning
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

Big Picture

Big Picture Wednesday update 7/22 through end of Month.

NPAC

Recent and current: The great summer keeps delivering. This time its the 3' NE plus a pinch WNW. Friday saw the 13 sec WNW up to chest high overlapping a 2’ NE for select spots like Laniakea.

It’s been a very active tropical season. Thus, plenty NE but this current event of 11 seconds is compliments of the large High off the west coast with a 30+kt fetch on its SE flank that moved toward us for several days; the country peaks into Thursday… Some trace ½’ 14 sec WNW may be felt during the same time but iffy. Plus a very weak Low off the Kurils may get some 1’ NW surf here Thursday but WW3 says no.

Last: Typhoon Haiola SE of Japan is being monitored for swell later next week.

SPAC:

Recent and current: Still rideable at 2' solid from the SSW and SSE. Once the records are in at the end of July it is estimated that this summer will be among the most consistent in a decade. Today we see continuing 13 sec SSW up to near chest high max for top sets top spots with nice offshore trades. 20-30kt blew about a week ago east of Tahiti and added in 2’ SE surf at 11 seconds weekend of the 18th. Yet another source south of Tahiti pushes a SSE to 2’ filling Wednesday the 22nd.

Next: The real deal is coming to finish off July esp. by Saturday the 25th. This storm phase had a one two three punch with the second and third combo delivering the knock out. The first low tracked ENE within the jet flow from SE of the Taz then up to the N. Island. Thanks to the 45kt fetch 15sec forerunners will be felt Thursday the 23rd but this first phase will only be about 3’ with long lulls Friday from the SW.

Next: Phase2: A slight downgrade but not to worry it's still going to be big. A low east of NZ Sunday the 19th produced a long wide fetch nosing to about 3000 miles from us which is 1000 closer than normal. This means less swell decay and higher surf. We get 1.5’ at 18 sec Friday with the Surf ramping late in the day and filling the first half of Saturday at 2-4' then easy 6’ Saturday midday-Sunday the 25-26th. Top spots/sets should be 7'. (no mo' 8' claim as we advised the models tend to run hot or overcall these intial readings.

Next/last: Phase3: Another Low on the west side of the first Big One tracks NE too on Monday 6/20 near Auckland on the N. Is. This one’s smaller but will add to the existing seas of the first storm which will keep us above average at almost 6' Monday-5' Wednesday the 27-29th when the surf drops to about 4’ Thursday and so on. Hey, that’s nearly a week of swell if you count the smaller book ends of these 3 Lows.

Windward: summer high pressures at 1036 mb to our NE and East Pac Tropical cyclones keep us above that 1-2+ ENE average later this weekend and the upcoming work week. TS Enrique moved west this week with a tight fetch but due to long distance we won’t see over 3’ Sat/Sunday. Hurricane Delores peaked Wed the 15th and stayed over 2500 miles off which add to the surf energy Sat/Sunday.
Next: The 4’ NE at 11 sec mentioned in the NPAC section brings up the entire windward and NE coast Tuesday-Thursday to 2-3' maybe higher. Country hits 3' solid for best refraction.
Tropics: so far….

Andres
Blanca
Carlos
Dolores
Enrique Felicia
Guillermo Hilda Ignacio Jimena Kevin Linda
Marty Nora Olaf Patricia Rick Sandra
Terry Vivian Waldo Xina York Zelda









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
Location Advisory Warning
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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