Cholos Mem Day Salsa 19

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645am UPDATE OBS Tuesday 5/21

Gorgeous morning with Calm to Light Easterly flow filling. No advisories. Convective cloud build up and seabreezes toward lunch thru the afternoon thru Friday.

SNN BIG PICTURE Link: Sunday 5/19. A very long run of South's this week, even an advisory SSW Sunday-Monday-Tuesday beyond Memorial Day Weekend; an overhead NW Saturday. Today: A fun small-moderate SSW & tiny ENE trade swell. 808-596-SURF: 7a, noon, 3 & 5 recap-forecast.

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North Shore:

Near Nil. Surf is clean 0-inches with perfect dive and paddle water. Sunset Pt Reef 0-1/2', Pipe-OTW 0-1/2', Chuns 0-1/2', and Haleiwa 0-0 under clear skies.
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West:

Up and Holding 15sec SSW. Makaha is calm and smooth at 0-2' behind the reef. Bigger 3' sets for top west side magnets under clear skies but clouds and seabreezes coming.
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Town:

Up and Holding SSW Surf is real good early at 2-3' per 20min. Winds veering to onshore seabreezes toward lunch. From Kewalos to Courts, Bowls & Kaisers to Canoes-Queens is up to occ 3' under clear skies (cloud build up this afternoon).
Photo courtesy of Eric Tessmer

Diamond Head:

Up and Holding 15 sec SSW and good smooth water with crowds early. Watch for seabreezes late AM-afternoon. Clear skies first half of the day.
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Sandy's:

Up & Holding the inconsistent SSW and small ENE trade wind swell. Surf is smooth early at up to 3' with clam to lite East trades (but seabreezes coming) from Middle Peaks- Gas Chambers. Full Pt is slightly smaller at 2' all with clear skies.
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East Makapu'u:

Holding the small 8sec East swell. Makapu'u is smooth at 1-2' near shore and even smaller at Keikis under mostly clear skies.
GTH INSTA 728 4.7.19

Winds

Wednesday
Range:
5-15mph East Trade
competing w seabreezes midday
Thursday
Range:
5-10mph Variables to sea-breezes

Friday
Range:
5-10mph ESE
veering Variable to 11am seabreezes
Saturday
Range:
5-15mph East Trade
competing w seabreezes midday
Sunday
Range:
5-10mph East Trade
11am seabreezes

North

Wednesday
05/22

Primary

Dropping 9s NE
Haw: 0-1/2
Face: 0-1

Secondary

None  NONE
Haw: 0
Face: 0
divin , paddlin
Glassy dawn to lite trades
Thursday
05/23

Primary

Rising 9s NE
Haw: 0-1/2
Face: 0-1

Secondary

None  NONE
Haw: 0
Face: 0
Diving , Paddling

Friday
05/24

Primary

Rising early Evening 12s NW
Haw: 1-2+
Face: 1-3+

Secondary

Holding 8s NE
Haw: 0-1/2
Face: 0-1
smooth

Saturday
05/25

Primary

Rising 11s NW
Haw: 2-4 occ +
Face: 3-7 occ +

Secondary

None  NONE
Haw: 0
Face: 0
Good
peaks noon-eve
Sunday
05/26

Primary

Dropping 10s NW
Haw: 2-4
Face: 3-7

Secondary

None  NONE
Haw: 0
Face: 0
Good

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West

Wednesday
05/22

Primary

Rising Later 18s SSW
Haw: 1-2
Face: 1-3

Secondary

Dropping 9s NE
Haw: 0
Face: 0
Smooth earlier-mushy mid-morning
Thursday
05/23

Primary

Holding 16s SSW
Haw: 1-2 occ 3
Face: 2-4 occ 5

Secondary

Rising 9s NE
Haw: 0
Face: 0
Smooth earlier-mushy mid-morning
Friday
05/24

Primary

Dropping 14s SSW
Haw: 1-2 occ 3
Face: 2-4 occ 5

Secondary

Rising early Evening 12s NW
Haw: 1 occ 2
Face: 1-2 occ 3
Good offshores
Saturday
05/25

Primary

Rising 11s NW
Haw: 1-3 occ +
Face: 2-5 occ +

Secondary

Rising 18s SSW
Haw: 1-2+
Face: 1-3+
Good
Sunday
05/26

Primary

Rising 16s SSW
Haw: 2-3+
Face: 3-5+

Secondary

Dropping 10s NW
Haw: 1-3
Face: 2-5
Good
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South

Wednesday
05/22

Primary

Rising Later 18s SSW
Haw: 2-3
Face: 3-5

Secondary

Dropping Slow 14s SSW
Haw: 2-3 occ +
Face: 3-5 occ +
Smooth earlier-mushy mid-morning
Glassy dawn to lite trades
Thursday
05/23

Primary

Holding 16s SSW
Haw: 2-3 occ 4
Face: 3-5 occ 7

Secondary

Dropping 13s SSW
Haw: 1-3
Face: 2-5
Smooth earlier-mushy mid-morning

Friday
05/24

Primary

Dropping 14s SSW
Haw: 2-3 occ 4
Face: 3-5 occ 7

Secondary

None  NONE
Haw: 0
Face: 0
Good offshores
trades back
Saturday
05/25

Primary

Rising 18s SSW
Haw: 2-3 occ +
Face: 3-5 occ +

Secondary

Dropping 14s SSW
Haw: 2-3+
Face: 3-5+
Good offshores

Sunday
05/26

Primary

Rising 16s SSW
Haw: 3-5
Face: 5-9

Secondary

None  NONE
Haw: 0
Face: 0
Good
isolated +
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east

Wednesday
05/22

Primary

Holding 8s ENE
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
bumpy

Thursday
05/23

Primary

Holding 8s ENE
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
smooth

Friday
05/24

Primary

Rising 8s ENE
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
smooth

Saturday
05/25

Primary

Holding 8s ENE
Haw: 1-2+
Face: 1-3+

Secondary

None  NONE
Haw: 0
Face: 0
Typical
Trades back
Sunday
05/26

Primary

Holding 8s ENE
Haw: 1-2+
Face: 1-3+

Secondary

None  NONE
Haw: 0
Face: 0
Fair

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Current Swells:

Wednesday 05/22
Primary: Rising Later 18s SSW surf @2-3 
Secondary: Holding 8s ENE surf @1-2 
Third: Dropping 9s NE surf @0-1/2 
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Marine Warnings:

Wednesday   05/22
No advisories
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Sailing Report:

Wednesday   05/22
Fair with light East Trades filling
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Diving Report:

Wednesday   05/22
Good for North shores zones; good for most deeper West shores but occ SSW swell surges + fair-good for select deeper dives along South shores; good for 'inside reefs' and good for select 'outside reefs' along Windward shores.

Oahu

Maui

Kauai

Big Island

Weather

Surf Advisory and Warning Criteria
Location/shoreline Advisory Warning
North-Facing Shores- 15 Feet faces (8' Local) 25 Feet faces (15' local)
West-Facing Shores - 12 Feet (7' local) 20 Feet (12' local)
West-Facing- Big Is.- 8 Feet (4'+ local) 12 Feet (7' local)
South-Facing Shores- 8 Feet (4'+ local) 15 Feet (8' local)
East-Facing Shores- 8 Feet (4'+ local) 15 Feet (8' local)

Big Picture

INACTIVE.
Get the latest on the tropics at www.hurricanes.gov
The Central Pacific Hurricane Center outlook for the 2017 Central Pacific Hurricane Season calls for 5 to 8 tropical cyclones to either develop or cross into the Central Pacific with a 40% chance for an above-normal season, a 40% chance for a normal season, and a 20% chance for a below-normal season. An average season has 4 to 5 tropical cyclones, which include tropical depressions, tropical storms, and hurricanes.
A tropical depression forms when a low-pressure area is accompanied by thunderstorms that produce a circular wind flow with maximum sustained winds below 39 mph. An upgrade to a tropical storm occurs when cyclonic circulation becomes more organized and maximum sustained winds gust between 39 mph and 73 mph. A tropical storm is then upgraded into Category 1 hurricane status as maximum sustained winds increase to between 74 mph and 95 mph. (The highest classification in the scale, Category 5, is reserved for storms with winds exceeding 156 mph).
Tropical cyclones go by many names around the world, and the terminology can get confusing. Once a tropical cyclone strengthens to the point where it has gale-force winds—39 mph or greater—it becomes a tropical storm. A storm that reaches tropical storm strength usually gets its own name to help us quickly identify it in forecasts and warnings. Once a tropical storm begins producing sustained winds of around 75 mph, we call the storm a typhoon in the western Pacific near Asia and a hurricane in the oceans on either side of North America. A “typhoon” and a “hurricane” are the same kind of storm, they just go by different names…it’s only a matter of geography.
NWS criteria for High Surf Advisories & Warnings.
In coordination with civil defense agencies & water safety organizations in Hawai`i, the NWS uses the criteria below for the issuance of High Surf Advisories & Warnings in coordination with civil defense agencies & water safety organizations in Hawai`i.
All surf height observations & forecasts are for the full face surf height, from the trough to the crest of the wave.
Advisory and Warning Criteria Location
Warning North-Facing Shores 15 Feet 25 Feet
West-Facing Shores - Remaining Islands 12 Feet 20 Feet
West-Facing Shores - Big Island 8 Feet 12 Feet
South-Facing Shores 8 Feet 15 Feet
East-Facing Shores 8 Feet 15 Feet
'Travel Time' Buoy 51101 to Waimea Buoy. Distance: 269 nautical miles (~310 miles). Angle: 307 deg
Wave Wave Wave Depth Wave Direction (deg)----------
Period Length Speed Shallow 295, 305, 315, 325, 335, 345, 355
(s) (ft) (nm/h) (ft) Travel Time (hours)----------
10sec. 512. 15. 256. 17.3, 17.7, 17.6, 16.9, 15.7, 14.0, 11.9
12sec. 737. 18. 369. 14.5, 14.8, 14.6, 14.0, 13.0, 11.6, 9.9
14sec. 1003. 21. 502. 12.4, 12.7, 12.5, 12.0, 11.2, 10.0, 8.5
16sec. 1310. 24. 655. 10.8, ,1 1.1, 11.0, 10.5, 9.8, 8.7, 7.4
18sec. 1658. 27. 829. 9.6, 9.8, 9.8, 9.4, 8.7, 7.8, 6.6
20sec. 2047. 30. 1024. 8.7 8.9 8.8 8.4 7.8 7.0 5.9
22sec. 2477. 33. 1239. 7.9 8.1 8.0 7.7 7.1 6.3 5.4
24sec. 2948. 36. 1474. 7.2 7.4 7.3 7.0 6.5 5.8 4.9

Tropical Storms - wind 39-73 mph (34-63 kt)
Category 1 - winds 74-95 mph (64-82 kt)
Category 2 -winds 96-110 mph (83-95 kt)
Category 3 -winds 111-130 mph (96-113 kt)
Category 4 - winds 131-155 mph (114-135 kt)
Category 5 -winds 156 mph and up (135+ kt)
Please visit the Central Pacific Hurricane Center website at www.weather.gov/cphc for the most recent bulletins.
ENSO is a single climate phenomenon, it has three states or phases. The two opposite phases, “El Niño” and “La Niña,” require certain changes in both the ocean and the atmosphere because ENSO is a coupled climate phenomenon. “Neutral” is in the middle of the continuum. The MJO (Madden-Julian Oscillation) is an eastward moving disturbance of clouds, rainfall, winds, and pressure that traverses the planet in the tropics and returns to its initial starting point in 30 to 60 days, on average, unlike ENSO which is stationary. In a nutshell, more active means more surf.
Kelvin wave (A Kelvin wave is a wave in the ocean or atmosphere that balances the Earth's Coriolis force against a topographic boundary such as a coastline, or a waveguide such as the equator. A feature of a Kelvin wave is that it is non-dispersive, i.e., the phase speed of the wave crests is equal to the group speed of the wave energy for all frequencies. This means that it retains its shape as it moves in the alongshore direction over time.)

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