National Weather Service United States Department of Commerce

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

 
Marianas Surf Zone Reef Displays
 Guam Surf Zones  Rota Surf Zones  Tinian Surf Zones  Saipan Surf Zones
 

High Surf Warning Criteria (feet)

 Location

All Reefs

 Guam, Rota, Tinian, Saipan,
 Palau, Yap, Chuuk, Pohnpei, Kosrae and Majuro

15

 

High Surf Advisory Criteria (feet)

 Location

North Facing

East Facing

South Facing

West Facing

 Guam, Rota, Tinian, Saipan,
 Palau, Yap, Chuuk and Pohnpei

9

12

9

9

 Kosrae

9

8

8

9

 Majuro

12

12

8

9

 

Rip Current Risk Criteria (feet) for Guam, Rota, Tinian and Saipan

 Rip Risk Level

All Reefs

 Low Risk

1 to 4

 Moderate Risk

5 to 8

 High Risk

≥ 9