Surf n Sea 728×90 generic 2.1.20

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SURFBOARD FACTORY HI JAN 30 2020 728

7am OBS Sunday Feb 23

Chilly morning temps with mostly clear skies. Lite variables to midday seabreezes.

Small-moderate NW Holding tiny SSW. Small Trade swell back down to typical background. Call 596-SURF: 7a, noon & 5p (recap-forecast).

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North Shore:

Holding 13 sec NW with glassy morning conditions Sunset to Rocky Pt tp Pipe 2-3' occ 4'; Chuns 2-3' occ near 4', Laniakea about 2-3'; Haleiwa 2-3' under mostly clear skies.
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West:

Holding NW. Makaha is 1-2' occ 3' with clean, glass under clear skies. Onshore later.
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Town:

Rising later on small 15sec SSW and a trace of T wrap. Kewalos, Courts and Bowls to Kaisers have good lite offshores at 0-1 bare;u-occ 2'. Queens is clean and offshore at 0-1' under crisp, clear skies.
Photo courtesy of Eric Tessmer

Diamond Head:

Rising later SSW and dropping Trade wind wrap. Diamond Head is still bumpy at 1-2' occ + with crossed up lines and broken peaks under partly cloudy skies.
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Sandy's:

Dropping 8sec Trade swell. Sandy's is fun at 1-2+' with calm to lite E side-shores from Full Pt thru Half Pt. Couple fun peaks still in the shorebreak.
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East Makapu'u:

Dropping 8sec ENE trade swell. Makapu'u is a semi-clean 1-2.5' breaking mostly left side under partly cloudy skies.
BISHOP MUSEUM SURF EXHIBIT

Winds

Sunday
Range:
5-10mph Variables to konas

Monday
Range:
5-10mph NE Trade

Tuesday
Range:
10-25mph ENE Trade

Wednesday
Range:
15-30mph NE Trade

Thursday
Range:
15-30mph NE Trade

North

Sunday
02/23

Primary

Holding 13s NW
Haw: 2-3 occ 4
Face: 3-5 occ 7

Secondary

None  NONE
Haw: 0
Face: 0
glassy

Monday
02/24

Primary

Dropping 12s NW
Haw: 2-3
Face: 3-5

Secondary

None  NONE
Haw: 0
Face: 0
Good offshores

Tuesday
02/25

Primary

Rising 12s NW
Haw: 3-6
Face: 5-10

Secondary

Rising Later 14s NW
Haw: 8-12+
Face: 14-20+
Good offshores

Wednesday
02/26

Primary

Dropping 14s NW
Haw: 12-18+
Face: 18-30+

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

Thursday
02/27

Primary

Dropping 12s NW
Haw: 8-10 occ +
Face: 12-18 occ +

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

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West

Sunday
02/23

Primary

Holding 13s NW
Haw: 1-2 occ 3
Face: 2-4 occ 5

Secondary

Rising Later 15s SSW
Haw: 0-1.5
Face: 0-2
glassy
Monday
02/24

Primary

Dropping 12s NW
Haw: 1-2+
Face: 1-3+

Secondary

Holding 14s SSW
Haw: 1-2
Face: 1-3
Good offshores
Tuesday
02/25

Primary

Rising 12s NW
Haw: 2-4+
Face: 3-7+

Secondary

Dropping 12s S
Haw: 0-1
Face: 0-1.5
Good offshores
Wednesday
02/26

Primary

Dropping 14s NW
Haw: 10-15+
Face: 15-25+

Secondary

Dropping 11s S
Haw: 0-1
Face: 0-1.5
Fair to good
Thursday
02/27

Primary

Dropping 12s NW
Haw: 6-8 occ +
Face: 10-15 occ +

Secondary

Rising Slow 15s S
Haw: 0-1.5
Face: 0-2
Fair to good
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South

Sunday
02/23

Primary

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

Secondary

None  NONE
Haw: 0
Face: 0
Smooth early-mushy late-morning

Monday
02/24

Primary

Dropping 12s S
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

None  NONE
Haw: 0
Face: 0
Good offshores

Tuesday
02/25

Primary

Dropping 11s S
Haw: 0-1.5
Face: 0-2

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

Wednesday
02/26

Primary

Rising Slow 15s S
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

Thursday
02/27

Primary

Dropping 13s S
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

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east

Sunday
02/23

Primary

Holding 8s ENE
Haw: 1-2 occ +
Face: 1-3 occ +

Secondary

None  NONE
Haw: 0
Face: 0
clean

Monday
02/24

Primary

Holding 9s ENE
Haw: 1-2+
Face: 1-3+

Secondary

None  NONE
Haw: 0
Face: 0
Fair

Tuesday
02/25

Primary

Holding 9s ENE
Haw: 1-3
Face: 2-5

Secondary

None  NONE
Haw: 0
Face: 0
FUN

Wednesday
02/26

Primary

Holding 9s ENE
Haw: 2-3
Face: 3-5

Secondary

None  NONE
Haw: 0
Face: 0
Typical

Thursday
02/27

Primary

Holding 8s ENE
Haw: 2-3
Face: 3-5

Secondary

None  NONE
Haw: 0
Face: 0
Fair

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Current Swells:

Sunday 02/23
Primary: Holding 13s NW surf @2-3 occ 4 
Secondary: Holding 8s ENE surf @1-2 occ + 
Third: Holding 14s SSW surf @1-2 occ + 
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Marine Warnings:

Sunday   02/23
Small craft adv for Big Is SE waters
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Sailing Report:

Sunday   02/23
Poor with lite and variable winds
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Diving Report:

Sunday   02/23
Fair-good for deep North shore zones. Good for deeper West shores top zones. Good for select South zones. East is good for inside reefs and fair to good 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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