Headline:
Coastal Flood Warning issued July 6 at 2:39PM ChST until July 8 at 4:00PM ChST by NWS Tiyan GU
Event:
Coastal Flood Warning
Urgency:
Expected
Effective:
July 5, 2026 - 9:39pm
Expires:
July 6, 2026 - 11:45am
Description:
* WHAT...Dangerously large breaking waves up to 20 feet in the surf
zone with significant coastal flooding.
* WHERE...Guam, Rota, Tinian and Saipan.
* WHEN...For the Coastal Flood Warning, until 4 PM ChST
Wednesday. For the High Surf Warning, until 4 PM ChST Thursday.
* IMPACTS...Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure will
be inundated. Significant shoreline erosion will occur. Waters
will be deadly.
* ADDITIONAL DETAILS...Dangerous surf is ongoing along all reefs
today as Super Typhoon Bavi (09W) moves WNW away from the Marianas
while still generating strong swells. Dangerous surf heights of up
to 20 ft and coastal inundation of 6 to 8 ft can be expected. As
Bavi exits to the west-northwest, coastal inundation and erosion is
likely to increase along west- and south-facing shores while
easing elsewhere.
Instruction:
Everyone should remain out of the water due to life-threatening surf
conditions. Stay off of jetties, piers, and other waterside
infrastructure.
Area Description:
Guam; Rota; Tinian; Saipan
Forcast Office:
NWS Tiyan GU
Sender: