Coastal Waters Forecast for Alenuihaha Channel (PHZ121) (Text-Only)
NWS Forecast for: Alenuihaha Channel (PHZ121)
Issued by: National Weather Service Honolulu, HI
Last Update: 319 PM HST Sun Oct 4 2026
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Tonight: East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave detail: east 7 feet at 6 seconds and south southwest 3 feet at 18 seconds. Scattered showers this evening. Isolated showers after midnight.

Monday: East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave detail: east 7 feet at 6 seconds and south southwest 3 feet at 17 seconds.

Monday Night: East northeast winds to 20 knots. Seas 3 to 5 feet. Wave detail: east 4 feet at 6 seconds and south southwest 3 feet at 16 seconds. Isolated showers.

Tuesday: East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: east 3 feet at 11 seconds and south southwest 3 feet at 15 seconds. Isolated showers in the morning.

Tuesday Night: East winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: east 3 feet at 13 seconds and south southwest 3 feet at 15 seconds. Isolated showers.

Wednesday: South winds 7 to 10 knots. Seas 3 to 4 feet. Wave detail: east 3 feet at 12 seconds and south southwest 3 feet at 14 seconds. Isolated showers.

Wednesday Night: South winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave detail: east 3 feet at 12 seconds and south southwest 3 feet at 14 seconds. Numerous showers.

Thursday: South winds 7 to 10 knots, backing to east southeast 10 to 15 knots. Seas 3 to 4 feet. Wave detail: east 4 feet at 5 seconds and west northwest 3 feet at 11 seconds. Numerous showers in the morning. Isolated showers.

Friday: East winds 10 to 15 knots. Seas 3 to 5 feet. Wave detail: east 5 feet at 6 seconds and northwest 3 feet at 12 seconds. Isolated showers.







Zone Forecast: Alenuihaha Channel (PHZ121)

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