Coastal Waters Forecast for Big Island Leeward Waters (PHZ123) (Text-Only)
NWS Forecast for: Big Island Leeward Waters (PHZ123)
Issued by: National Weather Service Honolulu, HI
Last Update: 325 PM HST Mon May 18 2026
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Tonight: West of the big island, winds variable less than 10 knots, becoming north northwest 7 to 10 knots after midnight. Near south point, east winds 20 to 25 knots. Seas 5 to 7 feet. Wave detail: east northeast 5 feet at 6 seconds and south southwest 3 feet at 14 seconds. Isolated showers.

Tuesday: West of the big island, winds variable less than 10 knots, becoming west 7 to 10 knots in the afternoon. Near south point, east winds 20 to 25 knots. Seas 4 to 6 feet. Wave detail: east northeast 4 feet at 5 seconds and south southwest 3 feet at 14 seconds. Isolated showers.

Tuesday Night: Winds variable less than 10 knots west of the big island...east 20 to 25 knots near south point. Seas 4 to 6 feet. Wave detail: east northeast 5 feet at 6 seconds and south southwest 3 feet at 15 seconds. Isolated showers.

Wednesday: West of the big island, winds variable less than 10 knots. Near south point, east winds to 20 knots, becoming 20 to 25 knots in the afternoon. Seas 5 to 7 feet. Wave detail: east northeast 5 feet at 6 seconds and south southwest 3 feet at 14 seconds. Isolated showers.

Wednesday Night: Winds variable less than 10 knots west of the big island...east northeast 20 to 25 knots near south point. Seas 5 to 7 feet. Wave detail: east northeast 6 feet at 6 seconds. Scattered showers.

Thursday: Winds variable less than 10 knots west of the big island...east northeast 20 to 25 knots near south point. Seas 5 to 7 feet. Wave detail: east northeast 6 feet at 6 seconds. Isolated showers.

Thursday Night: West of the big island, winds variable less than 10 knots, becoming north 7 to 10 knots after midnight. Near south point, east northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave detail: northeast 7 feet at 7 seconds. Scattered showers.

Friday: West of the big island, south winds 7 to 10 knots in the morning, veering to northwest, backing to south southeast in the evening, becoming variable less than 10 knots. Near south point, east northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave detail: northeast 6 feet at 6 seconds and south southwest 3 feet at 17 seconds. Isolated showers through the night. Scattered showers through the day.

Saturday: West of the big island, southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Near south point, east winds 15 to 20 knots, becoming east northeast 20 to 25 knots. Seas 5 to 7 feet. Wave detail: northeast 6 feet at 6 seconds and south 3 feet at 15 seconds. Isolated showers.







Zone Forecast: Big Island Leeward Waters (PHZ123)

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