Cholos 728×90 Generic

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Surf n Sea 728×90 generic 1/22/21

545am OBS Tuesday July 27th

Beautiful morning with light-moderate winds early. Clouds and occasional rain showers expected as ENE trades fill to a moderate-fresh by mid-morning at 10-20+mph. Small Craft Advisory's from Pailolo channel eastward.

Average trade swell and tiny Southerly mix. Call 596-SURF: 7a, noon & 5p (recap-forecast).

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North Shore:

Summertime conditions persist with micro NE wrap; smooth early but side offshore texture filling in. Sunset Pt-Rocky Pt are Flat-1'. Pipe/Backdoor Flat to sand lappers. Chuns 0-1/2'. Laniakea 0-1'. Haleiwa flat under scattered clouds.
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West:

Holding 15 sec S-SSW. Makaha is super clean again w/ offshore trades filling. Surfs 0-1' occ + and breaking behind the reef under few clouds.
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Town:

Holding 15 sec small S-SSW and minor SE mix. Waikiki reefs are 0-1' very occ +' or waist high set. Ala Moana, Kaisers-Rockpiles & to Kewalos mostly 1 very occ 2' under few-scattered clouds.
Photo courtesy of Eric Tessmer

Diamond Head:

Holding 15 sec small S-SSW and minor SE + wind swell mix. Surf's unorganized and windy at 1 occ 2' on the combo peaks -at take off- under few-scattered clouds.
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Sandy's:

Dropping 8 sec trade wrap + small-tiny southerly mixed plate. Light texture early but moderate side-offshore ENE trades filling. Full Pt-Half Pt 1-2' occ + Shorebreak's 1-2' occ + under scattered clouds.
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East Makapu'u:

Dropping 8 sec trade swell. Surf's mushy onshore at 1-2 occ +', focusing on the outside Left-middle. Inside Sandbars fun to Keiki corner mostly 1-2' under mostly cloudy skies.
USED SURFBOARDS-728X90 FEB 8 2021

Winds

Tuesday
Range:
10-20+mph East Trade

Wednesday
Range:
10-20mph ENE Trade

Thursday
Range:
10-20+mph ENE Trade

Friday
Range:
10-20+mph ENE Trade

Saturday
Range:
10-25mph ENE Trade

North

Tuesday
07/27

Primary

Holding 8s ENE
Haw: 0-1
Face: 0-1.5

Secondary

None  NONE
Haw: 0
Face: 0
Good offshores

Wednesday
07/28

Primary

Holding 8s ENE
Haw: 0-1
Face: 0-1.5

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

Thursday
07/29

Primary

Holding 8s ENE
Haw: 0-1
Face: 0-1.5

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

Friday
07/30

Primary

Rising 8s ENE
Haw: 0-1
Face: 0-1.5

Secondary

None  NONE
Haw: 0
Face: 0
Fair to good

Saturday
07/31

Primary

Rising 7s ENE
Haw: 0-1.5
Face: 0-2

Secondary

None  NONE
Haw: 0
Face: 0
Good offshores

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West

Tuesday
07/27

Primary

Holding 15s S
Haw: 0-1
Face: 0-1.5

Secondary

Holding 8s ENE
Haw: 0
Face: 0
Good
Wednesday
07/28

Primary

Rising 16s SSW
Haw: 0-1.5
Face: 0-2

Secondary

Holding 8s ENE
Haw: 0
Face: 0
Good offshores
Thursday
07/29

Primary

Up & holding 15s SSW
Haw: 0-1.5
Face: 0-2

Secondary

Holding 8s ENE
Haw: 0
Face: 0
Good offshores
Friday
07/30

Primary

Dropping 14s SSW
Haw: 0
Face: 0

Secondary

Rising 8s ENE
Haw: 0
Face: 0
Good offshores
Saturday
07/31

Primary

Up & holding 15s SSW
Haw: 0-1.5
Face: 0-2

Secondary

Rising 7s ENE
Haw: 0
Face: 0
Good offshores
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South

Tuesday
07/27

Primary

Holding 15s S
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

Dropping 9s SSE
Haw: 0-1.5
Face: 0-2
Good

Wednesday
07/28

Primary

Rising 16s SSW
Haw: 1 occ 2
Face: 1-2 occ 3

Secondary

Holding 9s SSE
Haw: 0-1.5
Face: 0-2
Good offshores

Thursday
07/29

Primary

Up & holding 15s SSW
Haw: 1-2
Face: 1-3

Secondary

Rising 18s SSW
Haw: 1-1.5
Face: 1-2
Good offshores

Friday
07/30

Primary

Dropping 14s SSW
Haw: 1-1.5
Face: 1-2

Secondary

Rising 16s SSW
Haw: 1-1.5
Face: 1-2
Good offshores

Saturday
07/31

Primary

Up & holding 15s SSW
Haw: 1-2
Face: 1-3

Secondary

Rising 20s SSW
Haw: 1 occ 2
Face: 1-2 occ 3
Good offshores

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east

Tuesday
07/27

Primary

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

Secondary

None  NONE
Haw: 0
Face: 0
Choppy

Wednesday
07/28

Primary

Holding 8s ENE
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
Typical

Thursday
07/29

Primary

Holding 8s ENE
Haw: 1-2
Face: 1-3

Secondary

None  NONE
Haw: 0
Face: 0
Typical

Friday
07/30

Primary

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

Secondary

None  NONE
Haw: 0
Face: 0
Typical

Saturday
07/31

Primary

Rising 8s ENE
Haw: 2-3
Face: 3-5

Secondary

None  NONE
Haw: 0
Face: 0
Chunky

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Current Swells:

Tuesday 07/27
Primary: Dropping 8s ENE surf @1-2 occ + 
Secondary: Holding 15s S surf @1 occ 2 
Third: Holding 8s ENE surf @0-1 
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Marine Warnings:

Tuesday   07/27
Small craft Adv. for Pailolo Channel to Maui and Big Island
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Sailing Report:

Tuesday   07/27
Fair-Good with ENE Trades at moderate to fresh paces of 10-20+mph.
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Diving Report:

Tuesday   07/27
Smaller surf, lighter winds helps this week. Good for NS all week for most zones and same for for most Westside spots; fair-good all week for most prime zones along South shores; fresh ENE trades: Fair for more protected inside reefs (from wind and swell) and improving for most outside Windward 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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