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About Collaborative Surf
'); document.write('This collaborative forecast will be updated Monday through Friday at 300 pm when Pat Caldwell is available. When Pat Caldwell is not available, the latest collaborative forecast will remain posted for 4 days. '); document.write('
26 Aug 2010 01:00:00 GMT
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Collaborative Surf Table
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FORECAST DATE	SWL HGT	DMNT DIR	DMNT PD	H 1/3	H 1/10	HGT TEND	PROB	WIND SPD	WIND DIR	SPD TEND
1PM 08/25	5	E	7	2	4	DOWN		11-16	E	DOWN
2	SSE	14	2	4	DOWN
2	SW	17	2	4	UP
THU 08/26	5	E	7	2	4	UP	LOW	11-16	E	UP
2	SW	15	2	4	DOWN	LOW
FRI 08/27	6	E	7	3	4	UP	LOW	17-21	E	UP
3	SE	10	3	5	UP	LOW
SAT 08/28	7	E	7	3	5	UP	LOW	17-21	E	SAME
3	SE	10	3	5	SAME	LOW
SUN 08/29	7	E	7	3	5	SAME	LOW	17-21	E	SAME
3	SE	10	3	5	SAME	LOW
MON 08/30	6	E	7	3	4	DOWN	LOW	11-16	E	DOWN

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Collaborative Surf Table Legend
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LEGEND:

SWL HGT	OPEN OCEAN SWELL HEIGHT MEASURED FROM TROUGH TO CREST IN FEET LOCATED 20 NAUTICAL MILES OFFSHORE
DMNT DIR	DOMINANT DIRECTION TYPICALLY +/-10 DEGREES IN 16 COMPASS POINTS
DMNT PD	DOMINANT PERIOD IN SECONDS
H1/3	SIGNIFICANT WAVE HEIGHT IN THE SURF ZONE
H1/10	AVERAGE HEIGHT OF THE HIGHEST ONE-TENTH WAVES IN THE SURF ZONE
HGT TEND	HEIGHT TENDENCY OF SWELL (VALID VALUES: UP/DOWN/SAME)
PROB	PROBABILITY OF OCCURRENCE (VALID VALUES: HIGH/MED/LOW)
WIND SPD	OPEN WATER WIND SPEED MEASURED IN KNOTS LOCATED 20 NAUTICAL MILES OFFSHORE
WIND DIR	WIND DIRECTION IN 16 COMPASS POINTS
SPD TEND	WIND SPEED TENDENCY (VALID VALUES: UP/DOWN/SAME)

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Disclaimer
'); document.write('Surf heights will vary between different beaches and at the same beach at different break areas.'); document.write('
26 Aug 2010 01:00:00 GMT
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Collaborative Surf Discussion
'); document.write(' DISCUSSION: Summary: short-period waves from E and SE for the weekend. Detailed: mid Wednesday on eastern shores has small surf. The mokapu buoy shows a downward trend into mid day. This minimum should be short-lived. Small surf is expected on Thursday. Trades locally and upstream out about 1000 nm are modelled to lean into the fresh bracket going into Friday, with a subsequent uptick in breakers from the windswell out of 50-90 degrees, into the small to moderate category for the weekend. See the latest NWS state forecast discussion for an explanation of the wind field. Mid Wednesday on southern shores has small, long-period breakers with very infrequent sets to moderate heights at the top spots. There is a mix of sources from the SSE, SE of French Polynesia, and SW of the Tasman sea, with the former fading and the later building, resulting in similar average summer conditions for Thursday. A wide area of stronger than normal trades in the southern hemisphere tropics to subtropics, from longitudes of French Polynesia toward south America, is expected to make a long-lived spell of just above average short-period windswell from 140-150 degrees starting Friday. On Oahu, this band is partly shadowed by the Big Island, making for greater uncertainty. Surf zones facing the incident swell are expected to have small to moderate breakers for Friday into Monday. With local easterly trade windswell also up during this period, such shores facing SE should top the island heights. Into the long range, models suggest surf from the SE wind swell to drop back to the background levels of tiny to small, which typically exist off and on for exposed shores in Hawaii during may through September, usually hard to notice with the local east component windswell. Models suggest a weakening of the local trades and windswell mid week, freshening toward the weekend. A compact storm just north of Antarctica due south of Hawaii on Wednesday could make for small breakers next Thursday into Saturday from 170-185 degrees. Models show seas rising in the Tasman with back to back extratropical low pressures tracking into the region, making for steady, mostly small surf from 200-220 degrees starting late next week out about a week. Long range forecasts are subject to major revisions. This collaborative forecast will resume on Tuesday, September 14. This forecast was produced through the collaborative efforts of NWS and NCDDC. Please send suggestions to w-hfo.webmaster@noaa.gov or call the Warning Coordination Meteorologist at 808-973-5275. Additional resources: see /in lowercase/ http://www.prh.noaa.gov/hnl/pages/marine.php. '); document.write('
26 Aug 2010 01:00:00 GMT
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Footer
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26 Aug 2010 01:00:00 GMT
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