Special Marine Warning for Guam Coastal Waters
Official alert fields
What you need to know
- Applies to
- Guam Coastal Waters
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWGUM THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A
What the bulletin says to do
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES. THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR IMMEDIATELY. REPORT SEVERE WEATHER TO THE COAST GUARD OR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE.
Full official description
Bulletin details
SMWGUM THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A * SPECIAL MARINE WARNING FOR... GUAM COASTAL WATERS... * UNTIL 545 PM CHST. * AT 522 PM CHST, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING WATERSPOUTS WAS LOCATED 10 NM WEST OF AGAT, AND IS STATIONARY. HAZARD...WATERSPOUTS. SOURCE...RADAR INDICATED. IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. * LOCATIONS IMPACTED INCLUDE... MAINLY OPEN WATERS OF GUAM COASTAL WATERS.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued July 28 at 5:22PM ChST until July 28 at 5:45PM ChST by NWS Tiyan GU
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Tiyan GU. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected