645am OBS, Happy Aloha Friday, July 26th
Cloudy this morning w/ some clearing later. Moderate-fresh E trades filling to strong towards lunch. Small Craft Advisory for all waters.
Big Picture updated 7/21. Average+ ENE trade swell. Micro South and some NE wrap to the North Shore. Call 596-SURF: 7a, noon, 3pm; plus, the 5p (recap-forecast).
![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/north.jpg)
North Shore:
Holding micro trade wind wrap. Fairly clean with slight texture due to moderate side-offshores but mostly flat and getting windier. Sunset 0-1'; Rocky Pt 0-1/2'; Pipe flat'; Chuns 0-1/2'; Laniakea 1-1.5'; Ali'i Beach Park flat. Overcast.![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/west.jpg)
West:
Holding micro 16 sec South. Clean under light to moderate offshores but flat. Makaha is 0-occ 1/2' behind the reef. Mostly cloudy skies.![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/town.jpg)
Town:
Holding micro 16 sec South. Side offshores under moderate trades filling to strong toward lunch. Waikiki reefs are 0-1'; Kaisers-Rockpiles to Ala Moana to Kewalos are 0-1.5'. Mostly cloudy skies.![Photo courtesy of Eric Tessmer Photo courtesy of Eric Tessmer](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/diamond.jpg)
Diamond Head:
Holding micro 16 sec South plus minor windswell. Lots of bump and chop due to breezy sideshore winds. Surf's 1-occ. 2' at takeoff on combo peaks. Mostly cloudy.![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/sandy.jpg)
Sandy's:
Holding on Trade swell. Holding micro 16 sec South. Trade textured due to breezy to strong sideshores. Full Pt/Half Pt are 1-3'. Shorebreak is looking cleaner at 1-2' occ 3'. Mostly cloudy.![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/makapuu.jpg)
East Makapu'u:
Rising 8 sec ENE trade swell. Choppy and disorganized. Surf's 1-3' and mushing in from the outside left near the rocks. Keikis is smaller at 1-2'. Mostly cloudy skies.Winds
15-25+mph ENE Trade
10-25mph ENE Trade
10-25mph ENE Trade
10-20+mph ENE Trade
10-20+mph ENE Trade
North
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-up.jpg)
Haw: 0-1.5
Face: 0-2
Secondary
None NONEHaw: 0
Face: 0
divin , paddlin, fishin, sailin
Primary
Up & holding 8s NEHaw: 0-2
Face: 0-3
Secondary
None NONEHaw: 0
Face: 0
divin , paddlin, fishin, sailin
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0-2
Face: 0-3
Secondary
None NONEHaw: 0
Face: 0
divin , paddlin, fishin, sailin
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0-1.5
Face: 0-2
Secondary
None NONEHaw: 0
Face: 0
divin , paddlin, fishin, sailin
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-right.jpg)
Haw: 0-1
Face: 0-1.5
Secondary
None NONEHaw: 0
Face: 0
divin , paddlin, fishin, sailin
West
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-right.jpg)
Haw: 0
Face: 0
Secondary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-up.jpg)
Haw: 0
Face: 0
Fair
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0
Face: 0
Secondary
Up & holding 8s NEHaw: 0
Face: 0
Fair
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0
Face: 0
Secondary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0-1
Face: 0-1.5
divin , paddlin, fishin, sailin
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0
Face: 0
Secondary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-up.jpg)
Haw: 0-1.5
Face: 0-2
divin , paddlin, fishin, sailin
Primary
Up & holding 17s SWHaw: 0
Face: 0
Secondary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-right.jpg)
Haw: 0
Face: 0
Fair
South
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-right.jpg)
Haw: 1-1.5
Face: 1-2
Secondary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-up.jpg)
Haw: 0-1.5
Face: 0-2
Fair
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 1-1.5
Face: 1-2
Secondary
Up & holding 11s SSEHaw: 1-1.5
Face: 1-2
Fair
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0-1.5
Face: 0-2
Secondary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 0-1.5
Face: 0-2
divin , paddlin, fishin, sailin
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-up.jpg)
Haw: 0-1.5
Face: 0-2
Secondary
None NONEHaw: 0
Face: 0
Fair
Primary
Up & holding 17s SWHaw: 1-1.5
Face: 1-2
Secondary
None NONEHaw: 0
Face: 0
Fair
east
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-up.jpg)
Haw: 2-3
Face: 3-5
Secondary
None NONEHaw: 0
Face: 0
Choppy
Primary
Up & holding 8s ENEHaw: 2-4
Face: 3-7
Secondary
None NONEHaw: 0
Face: 0
Lumpy-Bumpy
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 2-3+
Face: 3-5+
Secondary
None NONEHaw: 0
Face: 0
Choppy
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 1-3
Face: 2-5
Secondary
None NONEHaw: 0
Face: 0
bumpy
Primary
![](http://surfnewsnetwork.com/wp-content/themes/snn/img/arrow-down.jpg)
Haw: 1-2+
Face: 1-3+
Secondary
None NONEHaw: 0
Face: 0
Mushy
![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/swells.jpg)
Current Swells:
Friday 07/26Primary: Rising 8s ENE surf @2-3
Secondary: Holding 16s S surf @1-1.5
Third: Rising 8s NE surf @0-1.5
![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/warning.jpg)
Marine Warnings:
Friday 07/26Small Craft Advisory for all waters, coastal and channel due strong ENE trades.
![Untitled-1](https://www.surfnewsnetwork.com/wp-content/themes/snn/img/sail.jpg)
Sailing Report:
Friday 07/26Good with fresh ENE trades of 10-25 mph filling in by lunch.
![Untitled-1](https://surfnewsnetwork.com/wp-content/uploads/2013/07/Untitled-6.jpg)
Diving Report:
Friday 07/26North shores: Good due to minimal surf and moderate to fresh to strong trades filling in by lunch; West shores: Excellent for most zones with moderate to fresh offshores and tiny surf. South shores: Good for most zones, best bet for deeper dives... with tiny surf and brisk offshores. East shores: Poor due to average surf and fresh-strong ENE trades.
Oahu
Maui
Kauai
Big Island
Weather
Surf Advisory and Warning CriteriaLocation/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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