Oahu
Today's forecast
Tonight, mostly fair. Low 70-75. Tomorrow, sunny in the morning. Locally heavy showers in the afternoon. High 85-90. Winds, trades 5-15 mph.
Extended forecast
Sunday through Tuesday, fair nights, sunny mornings, cloudy afternoons with local showers. Lows 70-75. Highs 85-90.
Kauai, Maui, Molokai, Lanai
Tonight, mostly fair. Tomorrow, sunny morning, locally heavy showers in the afternoon. Winds, trades 5-15 mph.
Big Island
Windward: Tonight, a few showers. Tomorrow, sunny in the morning, locally heavy showers in the afternoon.Leeward: Tonight, becoming fair by midnight. Tomorrow, sunny morning, cloudy afternoon with locally heavy showers upslope.
Winds, trades 5-15 mph except locally variable 5-15 mph Hilo and Kona.
Marine advisories
Small-craft advisories in effect for all waters exposed to gusty tradewinds.Coastal waters: Tonight, east winds 10-15 knots, seas 2-4 ft. Tomorrow, east winds 10 knots, seas 2 ft.
Channels: Tonight, east winds 15-20 knots, seas 4-8 ft. Tomorrow, east winds 15 knots, seas 4 ft.
Volcano
Pulsations in lava flow inside Puu Oo have been creating extra nighttime glow on clouds in the area. The flow itself is constant to the ocean seven miles away.
Temperatures
At Honolulu Airport
Yesterday's high -- 88°F
Record high 1995 -- 92°F
Average September high -- 89°F
Yesterday's low -- 76°F
Record low1979 -- 68°F
Average September low -- 74°F
Rainfall
At Honolulu Airport
Last 24 hours as of 8 p.m. 9/18 -- 0.01 in.
Actual so far this month -- 0.39 in.
Normal so far this month -- 0.33 in.
Actual so far this year -- 15.83 in.
Normal so far this year -- 12.49 in.
Surf forecast
-- Today -- Tomw
Ala Moana -- 1-2ft. -- 1-2ft.
Makaha -- 1 ft. -- 1 ft.
Sunset Beach -- 0 ft. -- 0 ft.
Makapuu -- 1-3ft. -- 1-3ft.
Sun and moon
Sunset -- 6:31 p.m. tonight
Sunrise -- 6:20 a.m. tomorrow
Moonrise -- 9:15 p.m. today
Moonset -- 10:25 a.m. tomorrowPhases of the moon: Last qtr. Sept. 23, new Oct. 1, first qtr. Oct. 9.
(Courtesy of Bishop Museum Planetarium)
