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Surf n Sea 728×90 generic

7am OBS Tues. 8/14 Pwrd by Dukes Oceanfest 18-26

Fairly clear morning with scattered clouds and light-moderate ENE trade filling (10-20 mph). No advisories.

SNN BIG PICTURE UPDATE: Monday 8.13. Tiny East 'John' swell, average ENE local trade, small South swell. Call 596-SURF: 7a, 12, 3 & 5p recap-forecast.

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North Shore:

Down & holding the 8 sec NE wind swell wrap. Surf is mostly flat - inches and super clean. Excellent day for paddling & diving. Sunset Pt. 0-1/2', Kammies flat, Rocky Pt. 0-1/2'; Pipe zone 0'; Laniakea 0-maybe an occ. 1', Chuns & Ali'i Beach mostly flat under scattered clouds.
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West:

Down & dropping tiny South. Makaha is mostly 0-1' and super smooth with clam to light offshore trades filling; weak 2' sets for top focal reefs under nice skies.
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Town:

Down & Dropping Holding on the 12 sec. South and trace 16 sec SSW. Surf is mostly 1-2' maybe an occ. 2.5 (chest high) with fair form but weak & inconsistent. Light Trades fill to Moderate side-offshores. Kewalos to Courts seeing sets 1-2'(occ.2.5?)Bowls to Kaisers 1-2'. Threes to Pops-Queens 1-2' under scattered clouds.
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Diamond Head:

Down & Dropping Holding on the 12 sec. South and trace 16 sec SSW. Surf is 1-2 occ 2.5' with fair form & fairly clean lite AM trades but filling to moderate side-shore for more bump-lump under scattered to broken clouds.
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Sandy's:

Holding small South with average trade swell wrap. Surf is 1-2.5' and fair shape; semi bumpy sideshore trades from Full Pt to Gas Chambers; sandbars seeing some mini wedges under scattered to broken clouds.
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East Makapu'u:

Down & dropping 12 sec East swell from former Hurricane John, down on the 8 sec trade wind swell. Makapu'u is 1-2+' with light onshore chop. Still a few fun ones in the closeout ramp sections for top sets. Keiki side mostly 1-2' and broken clouds.
JJ Dolans

Weather

Tuesday
with="64"

Temp
min:
78°F
max: 91°F

Partly Cloudy

Wind:
13mph NE

Wednesday
with="64"

Temp
min:
79°F
max: 92°F

Mostly Cloudy

Wind:
13mph NE

Thursday
with="64"

Temp
min:
79°F
max: 92°F

Partly Cloudy

Wind:
13mph NE

Friday
with="64"

Temp
min:
80°F
max: 93°F

Chance of a Thunderstorm

Wind:
13mph NE

Saturday
with="64"

Temp
min:
80°F
max: 93°F

Partly Cloudy

Wind:
18mph NE

Range:
5-15+mph ENE Trade

Range:
5-15+mph ENE Trade

Range:
5-15mph NE Trade

Range:
5-15mph ENE Trade

Range:
10-20mph ENE Trade

North

Tuesday
08/14

Primary

Dropping 8s NE
Haw: 0-1/2
Face: 0-1

Secondary

None  
Haw: 0
Face: 0
divin , paddlin

Wednesday
08/15

Primary

Rising late Afternoon 11s NW
Haw: 0-1.5
Face: 0-2

Secondary

Holding 8s ENE
Haw: 0-1/2
Face: 0-1
Diving , Paddling

Thursday
08/16

Primary

Holding 11s NW
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
Good offshores

Friday
08/17

Primary

Dropping 10s NW
Haw: 0-1.5
Face: 0-2

Secondary

None  NONE
Haw: 0
Face: 0
Fair-Good side-offshore

Saturday
08/18

Primary

Holding 8s NW
Haw: 0-1/2
Face: 0-1

Secondary

None  NONE
Haw: 0
Face: 0
Fair-Good side-offshore

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West

Tuesday
08/14

Primary

Holding 12s S
Haw: 0-1.5
Face: 0-2

Secondary

Dropping 8s NE
Haw: 0
Face: 0
Offshore
Wednesday
08/15

Primary

Holding 11s S
Haw: 0-1
Face: 0-1.5

Secondary

Rising late Afternoon 11s NW
Haw: 0-1
Face: 0-1.5
Good
Thursday
08/16

Primary

Holding 11s NW
Haw: 0-1.5
Face: 0-2

Secondary

Rising 16s SSE
Haw: 0-1
Face: 0-1.5
Good offshores
Friday
08/17

Primary

Holding 15s SSE
Haw: 0-1
Face: 0-1.5

Secondary

Dropping 10s NW
Haw: 0-1
Face: 0-1.5
Good
Saturday
08/18

Primary

Holding 14s SSE
Haw: 0-1
Face: 0-1.5

Secondary

Holding 8s NW
Haw: 0-1/2
Face: 0-1
Good offshores
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South

Tuesday
08/14

Primary

Holding 12s S
Haw: 1-2
Face: 1-3

Secondary

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

Wednesday
08/15

Primary

Holding 11s S
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

Dropping 14s SSW
Haw: 0-1.5
Face: 0-2
Good

Thursday
08/16

Primary

Rising 16s SSE
Haw: 1-2 occ +
Face: 1-3 occ +

Secondary

Holding 12s SSW
Haw: 0-1
Face: 0-1.5
Good

Friday
08/17

Primary

Holding 15s SSE
Haw: 1-2 occ +
Face: 1-3 occ +

Secondary

None  NONE
Haw: 0
Face: 0
Good

Saturday
08/18

Primary

Holding 14s SSE
Haw: 1-2 occ +
Face: 1-3 occ +

Secondary

None  NONE
Haw: 0
Face: 0
Good offshores

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east

Tuesday
08/14

Primary

Holding 8s ENE
Haw: 1-2+
Face: 1-3+

Secondary

Dropping 12s E
Haw: 1 occ 2
Face: 1-2 occ 3
Typical

Wednesday
08/15

Primary

Holding 8s ENE
Haw: 1-2
Face: 1-3

Secondary

Dropping 10s E
Haw: 1 occ 2
Face: 1-2 occ 3
Typical

Thursday
08/16

Primary

Holding 8s ENE
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
Typical

Friday
08/17

Primary

Holding 8s ENE
Haw: 1-2+
Face: 1-3+

Secondary

None  NONE
Haw: 0
Face: 0
Fair

Saturday
08/18

Primary

Holding 8s ENE
Haw: 1-2+
Face: 1-3+

Secondary

None  NONE
Haw: 0
Face: 0
Fair

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Current Swells:

Tuesday 08/14

Secondary: Holding 12s S surf @1-2 
Third: Dropping 8s NE surf @0-1/2 
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Marine Warnings:

Tuesday   08/14
None, but watch out for Manowar on the East and SE sides (Sandys'-Hanauma)
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Sailing Report:

Tuesday   08/14
Good with light to moderate ENE Trades
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Diving Report:

Tuesday   08/14
Good for North shores spots & good for West-Side zones; fair-good for most south shores. Windward side: fair to good for inside reefs, poor-fair for outside reefs.

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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