National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. 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