Today’s Weather: Saturday, August 12, 2017

The Summary: NWS says; Sunny, with a high near 88. Windy, with a north northeast wind 11 to 16 mph increasing to 18 to 23 mph in the morning. Winds could gust as high as 32 mph.  Computer Model Tables say 20-23 mph today, which is a tad under yesterday. Surf expected to be 3 ft NE.  We say;  The actual wind at Kanaha will be stronger than the forecast, we think that it will be easily averaging in the high 20’s range, gusting into the mid 30’s in the afternoon. The wind direction today should be similar to yesterday with the wind very well filled-in on the inside.  Our “Venturi Factor” Today for Kanaha is 7 out of 10. **Our Gustiness Factor should be lower today at about 40% which is a bumpy level. 

Wind Forecast – Model Tables:


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Weather Map: Here is the weather map. You can see that the High to our North is well formed, and that means a better PGF. Our northern isobars have a nice gentle curve uplifted to the east that will give us a good wind direction. The wind should be more side-on-shore than yesterday, so winds will be a lot stronger and potentially a little less gusty today. These predictions are for the generalized (Tradewind) airflow across the state, and local wind effects (rain/venturi/clouds/etc.) need to be considered. Today’s wind will be even stronger than yesterday.

NWS Forecast: Here is the Current Conditions and Forecast.

Humidity 79%
Water Temp               81.0 °F                            
Barometer 30.00 in (1016.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index 77°F (25°C)
Last update 12 Aug 4:54 am HST

Maui County Windward Waters:

Small Craft Advisory…Kaiwi Channel, and windiest coasts and channels around Maui County and the Big Island

340 AM HST Sat Aug 12 2017

.TODAY…East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning.
.TONIGHT…East winds 20 knots. Wind waves 5 feet. Scattered
.SUNDAY…East winds 20 knots. Wind waves 5 feet. Scattered
showers in the morning.

Tides at Kahului: 

2017/08/12 Sat 05:22 AM 1.58 H
2017/08/12 Sat 10:55 AM 0.65 L
2017/08/12 Sat 5:20 PM 2.06 H
2017/08/13 Sun 12:12 AM 0.39 L
2017/08/13 Sun 06:37 AM 1.57 H
2017/08/13 Sun 11:50 AM 0.98 L
2017/08/13 Sun 5:50 PM 1.83 H


Rain Radar: Here is the current Radar Photo:

Clouds over the State:


Infrared Satellite Image:


Wind Yesterday:  Here is yesterday’s wind graph, windscame up early averaging in the low to mid 20’s, and then peaked around noon, rgen is started to get a little more east and gusting into the high 20’s.  The highest gusts were about 346 mph. The high and low numbers were fairly very far apart with “gustiness” ranging from about 40-45% of the total wind speed.

Moon Phase:  Waning Gibbous, Illumination: 77%. The Moon today is in a Waning Gibbous Phase. This is the first phase after the Full Moon occurs. It lasts roughly 7 days with the Moon’s illumination growing smaller each day until the Moon becomes a Last-Quarter Moon with an illumination of 50%.
Hurricane Season:  Hurricanes are most likely to occur July through December in Hawaii. Hurricanes bring severe bad weather, flooding rain and potentially devastatingly strong winds. The passing of a Hurricane may last days or up to a week or more. The Hurricanes usually develop far away in the eastern Pacific and we generally get several days or more warning of their approach. So there is usually time to make preparations and even evacuate if necessary. Many Hurricanes come close to Hawaii but are just too far away to have a severe effect, This near-miss scenario, and repeated canceled warnings, can give some people a false sense of security. Until one does hit, and then they may be unprepared. Here’s the link to the National Hurricane Center (NHC)
Whenever you are about to jump, you must look first to see if the area is clear. Never jump if someone is in your landing zone. Never jump over people or put other people at Risk. You must also be able to read the on-water traffic and anticipate where people will be when you land. Be responsible when kiting and Kite Safely. Do not be a reckless kiter always riding out-of-control. Real skill comes from experience and knowing your limits. Always keeping safe distances away from people for when you do lose control and crash, which you ultimately will. There is Never any reason to put other people in danger. Remember: Look before you jump, and do not jump when people are near you. 


Maui Surf ReportMaui Surf Report: For more detailed Surf Information go to our Maui Surf Report Page.  


Today’s Tides Kahului: For more information about Maui Tides go to our TIDES PAGE.


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This Wind & Weather Forecast was prepared by our very own in-house amateur meteorologist. “Have fun and be Safe out there.  Aloha,  David Dorn”

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