April 20, 2026

HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI NORTH FACING SHORES OF MAUI AND WEST FACING SHORES OF LANAI AND THE BIG ISLAND

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High Surf Advisory
Alert:
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU 
KAUAI OAHU MOLOKAI NORTH FACING SHORES OF MAUI AND WEST FACING 
SHORES OF LANAI AND THE BIG ISLAND... 
 
.A large west-northwest (280-310 degrees) will slowly ease today, 
then trend back up tonight through Tuesday as a similar west- 
northwest swell arrives. 
 
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM HST WEDNESDAY... 
 
* WHAT...Surf of 12 to 16 feet along north and west facing shores 
of Niihau, Kauai, and Oahu. Surf of 10 to 15 feet along north 
facing shores of Molokai and Maui. Surf of 8 to 12 feet along 
west facing shores of Molokai and 7 to 10 feet along west 
facing shores of the Big Island. 
 
* WHERE...North and west facing shores of Niihau, Kauai, Oahu, 
Molokai, north facing shores of Maui, and west facing shores of 
the Big Island. 
 
* WHEN...Surf will slowly ease today, then trend back up tonight 
through Tuesday night. 
 
* IMPACTS...Moderate. Strong breaking waves and strong currents 
will make swimming dangerous.
Instructions: Head all advice from ocean safety officials. When in doubt, don`t go out.
Target Area:
Big Island South
Kauai North
Kauai Southwest
Kohala
Kona
Maui Central Valley North
Maui Windward West
Molokai North
Molokai West
Molokai Windward
Niihau
Oahu North Shore
Waianae Coast
Windward Haleakala

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