National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. 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