Coastal Waters Forecast for Alenuihaha Channel (PHZ121) (Text-Only)
NWS Forecast for: Alenuihaha Channel (PHZ121)
Issued by: National Weather Service Honolulu, HI
Last Update: 722 AM HST Mon Sep 29 2025
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Today: East northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave detail: east 6 feet at 6 seconds and south southwest 3 feet at 12 seconds. Isolated showers this morning.

Tonight: East northeast winds to 20 knots. Seas 4 to 6 feet. Wave detail: east 5 feet at 6 seconds and south 3 feet at 12 seconds. Isolated showers after midnight.

Tuesday: East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave detail: east northeast 4 feet at 8 seconds. Isolated showers.

Tuesday Night: East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave detail: east northeast 4 feet at 5 seconds. Isolated showers.

Wednesday: East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave detail: east northeast 4 feet at 5 seconds. Scattered showers, mainly in the morning.

Wednesday Night: East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave detail: east northeast 4 feet at 5 seconds. Isolated showers.

Thursday: East northeast winds 15 to 20 knots, becoming east 10 to 15 knots. Seas 3 to 4 feet. Wave detail: east northeast 4 feet at 5 seconds. Isolated showers.

Friday: East winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: east northeast 3 feet at 5 seconds. Isolated showers in the morning. Isolated showers through the day.







Zone Forecast: Alenuihaha Channel (PHZ121)

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