TRICKED OUT 728    8/1/20

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Cholos 728×90 Generic

655am OBS Wednesday 8/12/20

Easing trades with isolated showers over Windward/Mauka. Small Surf overall. Beaches, beach parks, parking lots, etc. remain closed. However, all water activities are allowed.

Check Latest BIG Picture Outlook. Trade swell holding. Small SSW rising. Call 596-SURF: 7a, noon & 5p (recap-forecast).

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North Shore:

Micro 8sec NE trade wrap. Sunset Pt northward 0-1'; Rocky Pt 0-1'; Pipeline flat, Chun's Flat-1'; Laniakea weak 0-1.5' off/on; Haleiwa flat-1'; clean conditions under scattered-broken clouds.
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West:

Slowly Rising 15 sec SSW. Makaha is clean offshore. May see slight seabreeze this afternoon Surf's 0-1.5' rare soft 2' breaking behind the reef under scattered clouds.
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Town:

Slowly Rising 15 sec SSW. Kewalos to Courts: 1-occ 2' at top reefs, Bowls-Rockpiles (focusing) Kaisers same. Threes, Queens/Canoes/Walls/Publics, etc. 1' occ 2'; Scattered clouds.
Photo courtesy of Eric Tessmer

Diamond Head:

Slowly Rising 15 sec SSW + Holding 9 sec SSE + 8 sec ENE wrap. Surf's 1-2' (shoulder high on drops only). Combo peaks, clean conditions early; Scattered clouds.
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Sandy's:

Slowly Rising 15 sec SSW + Holding 9 sec SSE + 8 sec ENE wrap. Full Pt to Pipe Littles is good with 1-2.5' focusing over the reefs. Shorebreak has barrels up to 2.5'. Semi-Clean early with trades filling in. Parking lot closures.
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East Makapu'u:

Holding solid 8 sec ENE trade swell. Surf's a consistent 1-2+' breaking outside left and middle. Keiki's is 2+'. Choppy with fresh trades filling. Parking lot closures.
SURFBOARD FACTORY HI JAN 30 2020 728

Winds

Wednesday
Range:
5-15+mph ENE Trade

Thursday
Range:
5-15mph East Trade

Friday
Range:
5-15mph East Trade

Saturday
Range:
5-15mph ENE Trade

Sunday
Range:
10-20mph ENE Trade

North

Wednesday
08/12

Primary

Holding 8s NE
Haw: 0-1
Face: 0-1.5

Secondary

None  
Haw: 0
Face: 0
divin , paddlin, fishin, sailin

Thursday
08/13

Primary

Holding 8s NE
Haw: 0-1
Face: 0-1.5

Secondary

Rising Nightime 14s NW
Haw: 0-1
Face: 0-1.5
Good offshores
isolated
Friday
08/14

Primary

Rising 13s NW
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

Rising 10s NE
Haw: 1-2 occ +
Face: 1-3 occ +
Good offshores
isolated
Saturday
08/15

Primary

Up & holding 11s NW
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

Holding 9s NE
Haw: 1-2+
Face: 1-3+
Fair to good
isolated
Sunday
08/16

Primary

Dropping 10s NW
Haw: 0-1.5
Face: 0-2

Secondary

Dropping 8s NE
Haw: 1-2
Face: 1-3
Fair to good

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West

Wednesday
08/12

Primary

Rising Slow 15s SSW
Haw: 0-1.5
Face: 0-2

Secondary

Holding 8s NE
Haw: 0
Face: 0
Fair to good
Thursday
08/13

Primary

Rising Slow 14s SSW
Haw: 0-1.5
Face: 0-2

Secondary

Holding 8s NE
Haw: 0
Face: 0
Fair-Good side-offshore
Friday
08/14

Primary

Rising 13s NW
Haw: 0-1.5
Face: 0-2

Secondary

Holding 14s SSW
Haw: 0-1.5
Face: 0-2
Good offshores
Saturday
08/15

Primary

Up & holding 11s NW
Haw: 0-1.5
Face: 0-2

Secondary

Rising Later 17s SSW
Haw: 1-2
Face: 1-3
Fair to good
Sunday
08/16

Primary

Up & Rising 16s SSW
Haw: 1-2
Face: 1-3

Secondary

Dropping 10s NW
Haw: 0-1
Face: 0-1.5
Good
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South

Wednesday
08/12

Primary

Rising Slow 15s SSW
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

Holding 9s SSE
Haw: 0-1.5
Face: 0-2
Fair to good

Thursday
08/13

Primary

Rising Slow 14s SSW
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

Holding 8s SSE
Haw: 0-1.5
Face: 0-2
Fair-Good side-offshore

Friday
08/14

Primary

Holding 14s SSW
Haw: 1-2
Face: 1-3

Secondary

Holding 8s SSE
Haw: 0-1.5
Face: 0-2
Fair-Good side-offshore

Saturday
08/15

Primary

Rising Later 17s SSW
Haw: 1-2 occ +
Face: 1-3 occ +

Secondary

Dropping 12s SSW
Haw: 1 occ 2
Face: 1-2 occ 3
Fair to good

Sunday
08/16

Primary

Up & Rising 16s SSW
Haw: 1-2+
Face: 1-3+

Secondary

None  NONE
Haw: 0
Face: 0
Good

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east

Wednesday
08/12

Primary

Dropping 8s ENE
Haw: 1-2+
Face: 1-3+

Secondary

None  NONE
Haw: 0
Face: 0
bumpy

Thursday
08/13

Primary

Rising 10s NE
Haw: 2-3
Face: 3-5

Secondary

Holding 8s ENE
Haw: 1-2
Face: 1-3
FUN

Friday
08/14

Primary

Rising 9s NE
Haw: 2-3 occ 4
Face: 3-5 occ 7

Secondary

Holding 7s ENE
Haw: 1-2 occ +
Face: 1-3 occ +
FUN

Saturday
08/15

Primary

Holding 9s NE
Haw: 2-3 occ +
Face: 3-5 occ +

Secondary

None  NONE
Haw: 0
Face: 0
Mushy

Sunday
08/16

Primary

Dropping 8s NE
Haw: 2-3
Face: 3-5

Secondary

Rising 12s E
Haw: 1-2+
Face: 1-3+
Choppy

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Current Swells:

Wednesday 08/12
Primary: Dropping 8s ENE surf @1-2+ 
Secondary: Rising Slow 15s SSW surf @1 occ 2 
Third: Holding 8s NE surf @0-1 
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Marine Warnings:

Wednesday   08/12
None
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Sailing Report:

Wednesday   08/12
Good due to gentle to moderate ENE trades...going light by Friday.
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Diving Report:

Wednesday   08/12
Good for most top North shore zones; good for most West shores; fair to good for most top South shore zones; fair for isolated inside reefs and poor for most outside reefs of 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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