HONOLULU (HawaiiNewsNow) - The National Weather Service (NWS) has issued a high surf warning through Thursday for north and west facing shores of Niihau, Kauai and Oahu and the north facing shores of Molokai and Maui.
A high surf advisory is in effect through Thursday for west facing shores of the big island.
The NWS says the current northwest swell is subsiding, but an even larger northwest swell will reach the islands tonight and peak Wednesday.
Surf heights will be 18 to 22 feet today on north and west facing shores of Niihau and Kauai and north facing shores of Oahu, Molokai and Maui.
Surf will rise rapidly tonight to 25 to 35 feet.
Surf along the west facing shores of Oahu and Molokai will be 10 to 15 feet today...rising to 18 to 22 feet tonight.
* Coastal run up is expected near high tide early Tuesday, early Wednesday and Thursday morning. The most significant impacts are expected early Wednesday.
The high surf warning is in effect until 6 p.m. Thursday. The high Surf advisory is no longer in effect.
Click for the Hawaii News Now Surf Report.