NWS Marine Forecast


   PHZ100-070330-  505 AM HST Sun Sep 6 2026    .Synopsis for Hawaiian coastal waters...  A surface high will remain far north of the Hawaiian Islands  through the week. As of 500 AM, Hurricane Lowell was centered  around 505 nm south-southwest of Kauai and is tracking north-  northwest at 5 knots. Lowell will turn more northward today,  which will cause winds across the coastal waters to gradually veer  out of the southeast to south with the strongest winds across the  western end of the state Monday into Tuesday. A Tropical Storm  Warning is in effect for the coastal waters around Niihau and  Kauai.      $$
   PHZ122-070330-  Big Island Windward Waters-  505 AM HST Sun Sep 6 2026    TODAY  East winds 10 to 15 knots, rising to 15 to 20 knots this  afternoon. Seas 7 to 9 feet. Wave Detail: East 6 feet at  12 seconds and southwest 5 feet at 12 seconds. Scattered showers  this morning, then frequent showers with isolated thunderstorms  this afternoon.  TONIGHT  East winds 15 to 20 knots. Seas 6 to 9 feet. Wave  Detail: East 6 feet at 12 seconds and southwest 5 feet at  12 seconds. Occasional heavy showers with isolated thunderstorms.  MONDAY  East southeast winds 15 to 20 knots. Seas 6 to 9 feet.  Wave Detail: West southwest 6 feet at 14 seconds and east 5 feet  at 12 seconds. Frequent heavy showers with isolated  thunderstorms.  MONDAY NIGHT  South southeast winds 15 to 20 knots. Seas 5 to  8 feet. Wave Detail: East 5 feet at 12 seconds and west southwest  5 feet at 14 seconds. Frequent heavy showers.  TUESDAY  Southeast winds to 15 knots. Seas 5 to 7 feet. Wave  Detail: Southwest 5 feet at 15 seconds and east 4 feet at  14 seconds. Numerous showers. Isolated thunderstorms in the  afternoon.  TUESDAY NIGHT  East southeast winds 10 to 15 knots. Seas 5 to  7 feet. Wave Detail: East 4 feet at 14 seconds and south  southwest 4 feet at 15 seconds. Scattered showers.  WEDNESDAY  East winds 10 to 15 knots. Seas 5 to 7 feet. Wave  Detail: East 4 feet at 12 seconds and south southwest 4 feet at  14 seconds. Scattered showers.  THURSDAY  East northeast winds 10 to 15 knots. Seas 5 to  6 feet. Wave Detail: East 4 feet at 11 seconds and south  southwest 3 feet at 13 seconds. Isolated showers.    Winds and seas higher in and near tstms.    $$