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Increase in Showers, Decrease in Temps Late in Week

December 2, 2014, 10:59 PM HST
* Updated December 3, 3:43 PM
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Alerts

The High Surf Warning has been cancelled.

High Surf Advisory replaces the Warning and is in effect through Thursday at 6 p.m. for surf of 8 to 13 feet along east-facing shores. Impacts include strong breaking waves, shore break and strong currents making swimming difficult and dangerous.

A Marine Weather Statement is posted for Hilo harbor and other east-facing harbors across Maui County due to the large northeast swell. Navigating harbor entrances could be difficult and dangerous. Moderate surges and large breaking waves are expected near harbor entrances. Mariners should exercise extreme caution when operating vessels inside harbors or near entrances.

The Small Craft Advisory has been extended for all Big Island waters until Thursday at 6 p.m. Winds of 25 knots are expected and rough seas up to 13 feet. Inexperienced mariners should avoid navigating in these conditions.

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**Click directly on the images below to make them larger. Charts include: Big Island high/low forecasted temperatures, projected winds, chance of cloud cover, projected localized weather conditions, vog/SO2 forecast and expected wave heights.**

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Today, Wednesday December 3, 2014

High clouds are expected to stream overhead and obscure the sky from time to time. Mostly cloudy skies are expected for windward and mauka areas today with scattered showers. The Kona side will have a mostly sunny morning with afternoon clouds building and isolated showers. Areas of haze will linger on that side as well (see UHSOEST vog model image above). Trade winds are expected from 5 to 20 mph with higher gusts in our usually windier areas. High temperatures should fall in the range of 79° to 84° and around 69° at 5000 feet.

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Sunrise: 6:40 a.m.

Sunset: 5:41 p.m.

UV index at 6 (“high” exposure level)

 

Tonight

Partly to mostly cloudy skies are expected in windward and mauka areas tonight with likely showers in the forecast. Leeward areas should be mostly cloudy becoming mostly clear as the land breeze kicks in and pushes our clouds out to sea. Winds are out of the northeast from 5 to 20 mph. Low temperatures are expected in the range of 66° to 73° with a low of about 49° at 5000 feet.

Moonrise: 3:50 p.m.

Moonset: 4:58 a.m. on Dec 4

Next Full Moon: Dec. 6 at 2:27 a.m.

Next New Moon: Dec. 21 at 3:36 p.m.

 

Looking Ahead 

Fresh trade winds will weaken to moderate levels through Wednesday as high pressure weakens. Showers will mainly favor windward and mauka areas. An increase in high cirrus clouds is expected starting today. This will be most noticeable in leeward spots. Rainfall may increase and temperatures may drop starting Friday and into the weekend.

 

Almanac for Hilo Airport

Maximum Temperature for today: 

Normal 80°

Record 87° / Set in 1966 and tied in 1977

 

Minimum Temperature for today:

Normal 66°

Record 59° / Set in 1956

**Click here for your detailed Big Island surf report.**

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: UHSOEST

Image: UHSOEST

Image: NOAA / NWS

Image: NOAA / NWS

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