Today’s Weather: Tuesday, August 8, 2017

The Summary: NWS says; Isolated showers. Partly cloudy, with a low around 68. North northeast wind around 6 mph. Chance of precipitation is 20%.  Computer Model Tables say 15-17 mph today, which is higher 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 in 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 30% which is a manageable 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 more normal, and that means a better PGF. Our northern isobars are angled in such a way that will deliver slightly more side-ON-shore winds than yesterday, so winds could (potentially be) a little more Steady 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 more strong than yesterday.

NWS Forecast: Here is the Current Conditions and Forecast.

Humidity 76%
Water Temp           80.8 °F                    
Barometer 30.02 in (1017.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 8 Aug 4:54 am HST

Maui County Windward Waters:

330 AM HST Tue Aug 8, 2017

.TODAY…East winds 15 knots. Wind waves 4 feet. Swell southeast
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT…East winds 20 knots. Wind waves 4 feet. Isolated
showers in the evening, then scattered showers after midnight.
.WEDNESDAY…East winds 20 knots. Wind waves 4 feet. Swell
south-east 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.

Tides at Kahului: 

2017/08/08 Tue 02:21 AM 1.57 H
2017/08/08 Tue 08:29 AM -0.19 L
2017/08/08 Tue 3:30 PM 2.62 H
2017/08/08 Tue 9:53 PM 0.59 L
2017/08/09 Wed 02:59 AM 1.60 H
2017/08/09 Wed 09:02 AM -0.08 L
2017/08/09 Wed 3:57 PM 2.55 H
2017/08/09 Wed 10:23 PM 0.53 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 gradually came up from around 11:30 am, averaging up in the high teens and low  20’s. The gusts were up into the mid 20’s. The highest gusts were about 26 mph at various times. The wind direction was good all day. The high and low numbers were quite close together with “gustiness” ranging from about 30-40% of the total wind speed.

Moon Phase:  Waning Gibbous, Illumination: 99%. 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)
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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