Today’s Weather: Monday, August 7, 2017

The Summary: NWS says; Mostly sunny, with a high near 92. Heat index values as high as 96. Breezy, with a light north wind becoming northeast 10 to 15 mph in the morning. Winds could gust as high as 21 mph.  Computer Model Tables say 13-14 mph today, which is lower than yesterday. Surf expected to be 2 ft NNE.  We say;  The actual wind at Kanaha will be stronger than the forecast, we think that it will be easily averaging in the low to mid 20’s range, gusting into the high 20’s, possibly hitting 30 the afternoon. The wind direction today should be similar today with the wind fairly well filled-in on the inside.  Our “Venturi Factor” Today for Kanaha is 6 out of 10. **Our Gustiness Factor should be lower today at about 40% which is a not too extreme and manageable level. 

Kahului Bay Maui. Photo David Dorn


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 more uniform, and that means a more better PGF. Our northern isobars are angled in such a way that will deliver slightly more side-shore winds than yesterday, so winds could (potentially be) a little more 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 slightly less strong than yesterday.

NWS Forecast: Here is the Current Conditions and Forecast.

Humidity 74%
Water Temp          81.0 °F                  
Barometer 30.03 in (1017.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index 79°F (26°C)
Last update 7 Aug 3:54 am HST

Maui County Windward Waters:

336 AM HST Mon Aug 7 2017

.TODAY…East winds 15 knots. Wind waves 5 feet. Southeast swell
3 feet. Scattered showers in the morning.
.TONIGHT…East winds 20 knots. Wind waves 4 feet. Southeast
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.TUESDAY…East winds 20 knots. Wind waves 6 feet. Southeast
swell 3 feet in the morning. Scattered showers in the morning,
then isolated showers in the afternoon.

Tides at Kahului: 

2017/08/07 Mon 01:44 AM 1.52 H
2017/08/07 Mon 07:57 AM -0.23 L
2017/08/07 Mon 3:03 PM 2.63 H
2017/08/07 Mon 9:25 PM 0.65 L

Rain Radar: Here is the current Radar Photo:

Clouds over the State:



Infrared Satellite Image:


Wind Yesterday:  Here is yesterday’s wind graph, winds came up at around 11:30 am, averaging up in the high 20’s. The gusts were up into the mid 30’s. The highest gusts were about 36 mph at various times. The wind direction was good until about 5pm when it went more side-shore. The high and low numbers were quite far apart at times with “gustiness” ranging from about 45% of the total wind speed (which made it a little bumpy out there).

Moon Phase:  Full Moon, Illumination: 100%. The Moon today is in a Full Moon phase. During a Full Moon the moon is 100% illuminated as seen from Earth and is on the opposite side of the Earth from the Sun. The Moon will be visible throughout the night sky rising at sunset in the east and setting with the sunrise the next morning. 
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)
Pro-Tip: Leave Only Footprints: Places will Remember You long after you have gone. Hopefully, you have had a positive effect on the place. Did you pick up trash or did you leave trash? Did you take a piece of coral, or did you only take photographs? Did you take more fish than you needed or leave some fish for the next generation? You impact, no matter how brief, will have long lasting effects on the places you visit. Leave only footprints, take only photographs, make memories. And always keep in mind that ALL of your interactions have lasting impacts on the places you visit.


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.


Live Wind Report: Tune into our Daily Weather VLOG on our FaceBook Page at 10:30 am each day. Thanks to our fans and people who regularly watch out VLOG, sometimes we are a little late, and the time of 10:30 may not be exact, so thanks for being patient. Also if you like the VLOG Report, then please let us know and give us a Like on Facebook (Likes are like Hugs!). 

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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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