High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. 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