Hawaii Weather

National Weather Service

Monday, April 21, 1997


Today's forecast

Tonight, fair. Low mid 60s. Tomorrow, sunny with some afternoon cloudiness. High 80s. Winds, easterly 5-15 mph, becoming southeasterly.

Extended forecast

Wednesday, sunny. Thursday and Friday, chance of showers. Low 65. High mid-80s. South, southeasterly winds 5-15 mph.

Kauai, Maui, Molokai, Lanai

Tonight, mostly fair. Tomorrow, mostly sunny with some afternoon inland cloudiness. Winds, east 5-15 mph becoming southeasterly tomorrow.

Big Island

Windward: Today and tomorrow, mostly sunny and fair after brief morning showers. Winds, east 10-20 mph.

Leeward: Tonight, showers clearing by late evening. Tomorrow, sunny in the morning becoming mostly cloudy in the afternoon with a few upslope showers. Winds, light and variable.

Marine advisories

Tsunami watch was cancelled at 4:47 a.m. A high-surf advisory remains in effect for all north and west shores.

Coastal waters: Tonight, east winds 10 knots, seas 2 feet. Mostly fair. Northwest swell near 7 feet. Tomorrow, southeast winds 10 knots, seas 2 feet. Mostly sunny. Northwest swell to near 6 feet.

Channels: Tonight and tomorrow, east winds 10-15 knots, seas 2-4 feet.


Spatter cone outside Puu Oo crater on west side. Bubbling in the crater with two very slow-moving flows coming down from Puu Oo but not visible from the end of the road. No lava entering ocean.


At Honolulu Airport
Yesterday's high -- 85°F
Record high 1996 -- 88°F
Average Aprilhigh -- 83°F
Today's low -- 69°F
Record low 1958 -- 60°F
Average Aprillow -- 69°F
Relative humidity, 7 a.m. -- 81 percent


At Honolulu Airport
Last 24 hours as of 2 a.m. -- 0.00 in.
Actual so far this month -- 0.70 in.
Normal so far this month -- 1.13 in.
Actual so far this year -- 13.47 in.
Normal so far this year -- 9.09 in.

Surf forecast

Today -- Tomw
Ala Moana -- 1-2ft. -- 1 ft.
Makaha -- 2-4ft. -- 3-5ft.
Sunset Beach -- 6-8ft. -- 4-6ft.
Makapuu -- 1 ft. -- 1 ft.

Sun and moon

Sunset -- 6:53 p.m. today
Sunrise -- 6:07 a.m. tomorrow
Moonrise -- 6:16 p.m. today
Moonset -- 6:11 a.m. tomorrow
Phases of the moon: Full April 22, last qtr. April 28, new May 6

(Courtesy of Bishop Museum Planetarium)

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