NWS Marine Forecast


   PHZ100-010400-  553 AM HST Sun Aug 31 2025    .Synopsis for Hawaiian coastal waters...  Weak high pressure northeast of the state will remain displaced  by a large low far to the north, keeping light to moderate trades  in place. A low will pass just south of the Big Island today  through Monday.    $$
   PHZ122-010400-  Big Island Windward Waters-  553 AM HST Sun Aug 31 2025    TODAY  East southeast winds 10 to 15 knots, becoming east 15 to  20 knots this afternoon. Seas 3 to 5 feet. Wave Detail: East  southeast 3 feet at 7 seconds. Scattered showers, mainly this  morning.  TONIGHT  East southeast winds 10 to 15 knots. Seas 4 to 5 feet.  Wave Detail: East southeast 3 feet at 5 seconds. Isolated  showers.  MONDAY  East winds 10 to 15 knots. Seas 3 to 4 feet. Wave  Detail: East southeast 3 feet at 10 seconds.  MONDAY NIGHT  East winds 10 to 15 knots. Seas 3 to 5 feet. Wave  Detail: North 3 feet at 11 seconds and east southeast 3 feet at  11 seconds. Isolated showers after midnight.  TUESDAY  East winds 10 to 15 knots. Seas 3 to 5 feet. Wave  Detail: East southeast 3 feet at 11 seconds and north northwest  3 feet at 14 seconds.  TUESDAY NIGHT  East winds to 10 knots. Seas 3 to 5 feet. Wave  Detail: East southeast 3 feet at 11 seconds and north northwest  3 feet at 13 seconds. Isolated showers after midnight.  WEDNESDAY  East winds 10 to 15 knots. Seas 3 to 5 feet. Wave  Detail: Northwest 3 feet at 12 seconds. Isolated showers in the  morning. Isolated showers through the day.  THURSDAY  East winds 10 to 15 knots. Seas 3 to 5 feet. Wave  Detail: East southeast 3 feet at 5 seconds. Isolated showers in  the morning. Isolated showers through the day.    $$