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: 305 PM HST Sun Jul 19 2026


Tonight: West of the big island, northwest winds 10 to 15 knots, veering to north northwest 7 to 10 knots after midnight. Near south point, east winds 15 to 20 knots. Seas 5 to 7 feet. Wave detail: east northeast 5 feet at 6 seconds and south 4 feet at 17 seconds. Isolated showers after midnight.

Monday: West of the big island, winds variable less than 10 knots, becoming west southwest 7 to 10 knots in the afternoon. Near south point, east winds 15 to 20 knots. Seas 5 to 6 feet. Wave detail: east northeast 4 feet at 5 seconds and south 4 feet at 15 seconds. Isolated showers in the morning.

Monday Night: 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 to 15 knots. Seas 4 to 6 feet. Wave detail: south 4 feet at 15 seconds and east northeast 3 feet at 5 seconds. Isolated showers.

Tuesday: West of the big island, winds variable less than 10 knots. Near south point, east northeast winds 10 to 15 knots, veering to east in the afternoon. Seas 4 to 6 feet. Wave detail: south 4 feet at 14 seconds and east northeast 3 feet at 4 seconds. Isolated showers in the morning.

Tuesday Night: Winds variable less than 10 knots west of the big island...east 15 to 20 knots near south point. Seas 4 to 6 feet. Wave detail: south 4 feet at 13 seconds and east northeast 3 feet at 5 seconds. Isolated showers.

Wednesday: Winds variable less than 10 knots west of the big island...east 15 to 20 knots near south point. Seas 4 to 6 feet. Wave detail: northeast 4 feet at 5 seconds and south 4 feet at 13 seconds. Isolated showers in the morning.

Wednesday Night: Winds variable less than 10 knots west of the big island...east to 20 knots near south point. Seas 4 to 6 feet. Wave detail: east northeast 4 feet at 5 seconds and south 4 feet at 16 seconds. Isolated showers after midnight.

Thursday: Winds variable less than 10 knots west of the big island...east 15 to 20 knots near south point. Seas 5 to 7 feet. Wave detail: south southwest 5 feet at 18 seconds and east northeast 4 feet at 5 seconds. Isolated showers in the morning. Isolated showers after midnight.

Friday: West of the big island, north winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Near south point, east winds 15 to 20 knots. Seas 5 to 7 feet. Wave detail: south southwest 5 feet at 18 seconds and east northeast 4 feet at 5 seconds. Isolated showers in the morning. Isolated showers after midnight.







Zone Forecast: Big Island Leeward Waters (PHZ123)

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