Lahaina Weather    as of  Mon 02:38 04/21      Conditions     METAR     Leeward Waters     Hawaiian Islands     Policies
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WIND ADVISORY IN EFFECT UNTIL 6 PM HST MONDAY
TONIGHT
Mostly cloudy. Isolated showers evening, then scattered showers after midnight. Windy. Lows 63-73. East winds 20-30 mph with gusts-45 mph. Chance rain 30%.
MONDAY
Partly sunny. Scattered showers morning, then isolated showers afternoon. Windy. Highs 77-82. Northeast winds 20-35 mph with gusts-50 mph. Chance rain 30%.
MONDAY NIGHT
Partly cloudy with isolated showers. Lows 63-73. East winds 15-20 mph. Chance rain 20%.
TUESDAY
Sunny. Isolated showers morning. Highs 77-82. East winds 15-20 mph. Chance rain 20%.
Maui Satellite
Expected Radar Hazards
Predominant Wx
Radar
Hazard Chart
Windspeed Forecast Wind Gust Forecast Tropical Outlook
Windspeed Chart
Windgust Chart
Satellite

Current Conditions TOP

LocationWeatherTemp (F)Wind
Speed
Wind
Gusts
Wind
Dir
VisibilityDewpointPressure
(mb)
Lahaina / West MauiLight Showers Rain72.013.820.7Northeast15.0068.0--
Lanai City AirportMostly Cloudy and Windy69.028.835.7Northeast10.0066.91018.5
Molokai AirportLight Rain70.09.219.6Northeast9.0069.11020.9
Kahului AirportLight Rain72.012.724.2East7.0068.01020.8
Honolulu International AirportMostly Cloudy75.015.021.9Northeast10.0064.91020.2
Kailua / KonaLight Rain74.04.6--East10.0063.01017.7

METAR TOP

PHJH 210345Z 04012G18KT 15SM -SHRA FEW015 SCT045 BKN080 22/20
PHNY 211156Z AUTO 05025G31KT 10SM FEW009 BKN012 21/19 A3014 RMK
PHMK 211232Z AUTO 04008G18KT 340V070 7SM -RA SCT015 BKN021 22/21
PHOG 211154Z AUTO 07011G21KT 7SM -RA FEW025 BKN035 22/20 A3013 RMK
PHNL 211153Z 05013G19KT 10SM FEW030 BKN036 BKN047 24/18 A3013 RMK
PHKO 211153Z AUTO 10004KT 10SM -RA CLR 23/17 A3005 RMK AO2 RAB47
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Leeward Waters Forecasts TOP

MAUI COUNTY LEEWARD WATERS MAALAEA BAY PAILOLO CHANNEL
Headlines
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM HST MONDAY
Headlines
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM HST MONDAY
Headlines
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM HST MONDAY
TONIGHT
East winds-25 kt. Wind waves 10 ft. Northwest swell 3 ft evening. Scattered showers.
TONIGHT
North winds-30 kt. Wind waves 8 ft. Isolated showers.
TONIGHT
East winds-30 kt. Wind waves 13 ft. Northwest swell 3 ft evening. Scattered showers.
MONDAY
Northeast winds-25 kt. Wind waves 10 ft. Scattered showers morning, then isolated showers afternoon.
MONDAY
North winds-30 kt. Wind waves 8 ft. Isolated showers morning.
MONDAY
East winds-30 kt. Wind waves 13 ft. Scattered showers morning, then isolated showers afternoon.
MONDAY NIGHT
Northeast winds 20 kt. Wind waves 8 ft. Scattered showers evening, then isolated showers after midnight.
MONDAY NIGHT
North winds-25 kt. Wind waves 7 ft.
MONDAY NIGHT
East winds-25 kt. Wind waves 12 ft. Isolated showers evening, then scattered showers after midnight.
TUESDAY
East winds 20 kt. Wind waves 8 ft. Isolated showers morning.
TUESDAY
Northeast winds-25 kt. Wind waves 7 ft.
TUESDAY
East winds-25 kt. Wind waves 12 ft. Scattered showers morning.

Hawaiian Islands Weather TOP

Synopsis: Strong high pressure-the north the state will create locally windy trades tonight and Monday. The trades will easef a bit as the high moves away by midweek. The strong trades will continue-blow passing windward and mauka showers over-leeward sides at times through Monday or Monday night. Drier air and fewer showers are expected from Tuesday through the rest the work week.
Discussion: Radar loops show an active shower pattern across windward portions the state during the past several hours, with some shower activity spilling over into leeward sections. Rain gauges report mostly light accumulations as the showers are moving quickly within rather brisk trade wind flow. The 00Z soundings show weak inversions based near 7000 feet, with an overall increase in column moisture during the previous 12 hours. Pwats have increased- near the 75th%ile for this time year. This is consistent with mimic-tpw satellite imagery, which shows an area relatively ...
Aviation: Moderate-strong trades continue, so-does airmet tango for mechanical turbulence downwind the mountains. The upper level trough passing over the islands is also producing moderate turbulence at the upper levels over the islands. An airmet for this turbulence over the islands has been posted and will continue at least through the night. Clouds and showers being carried in on the trades will bring MVFR and isolated IFR conditions-windward and mountain areas. Airmet sierra has been posted for mountain obscurationse areas overnight.
Marine: A 2118Z ascat pass revealed 25 knot winds prevailing channels and in some the other typically windier areas near the Hawaiian coastal waters. The uh-wrf model indicates that winds have likely increased further since 21Z, and the small craft advisory remains posted for all coastal waters. The SCA will very likely need-be extended beyond the current expiration time 6 pm Monday. There is a chance that a gale warning could be needed on Monday Alenuihaha channel, with the 12Z WRF run showing sustained winds peaking near 30 knots afternoon. Will await further ...

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