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