NWS Marine Forecast


   PHZ100-140200-  322 AM HST Sun Jul 13 2025    .Synopsis for Hawaiian coastal waters...  The high pressure ridge north of the Hawaiian Islands will  weaken producing gentle to fresh trade winds through Monday. The  ridge trends stronger from Tuesday onward with a return to  moderate to locally strong trade winds through the end of the  week.    $$
   PHZ122-140200-  Big Island Windward Waters-  323 AM HST Sun Jul 13 2025    TODAY  East winds 15 to 20 knots. Seas 3 to 5 feet. Wave  Detail: East 4 feet at 7 seconds.  TONIGHT  East northeast winds 15 to 20 knots. Seas 3 to 4 feet.  Wave Detail: East 4 feet at 7 seconds. Isolated showers in the  evening, then scattered showers after midnight.  MONDAY  East winds 10 to 15 knots, becoming east southeast  15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:  East 3 feet at 6 seconds. Scattered showers, mainly in the  morning.  MONDAY NIGHT  East winds to 15 knots. Seas to 4 feet. Wave  Detail: East 4 feet at 6 seconds. Scattered showers.  TUESDAY  East winds 15 to 20 knots. Seas to 4 feet. Wave  Detail: East 4 feet at 6 seconds. Isolated showers.  TUESDAY NIGHT  East northeast winds 15 to 20 knots. Seas 4 to  5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers.  WEDNESDAY  East northeast winds 15 to 20 knots, easing to 10 to  15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East  southeast 4 feet at 7 seconds. Isolated showers. Scattered  showers after midnight.  THURSDAY  East northeast winds 15 to 20 knots. Seas to 4 feet.  Wave Detail: East southeast 4 feet at 6 seconds. Scattered  showers in the morning, then isolated showers in the afternoon.  Scattered showers through the day.    $$