High Surf Advisory issued July 5 at 3:27AM ChST until July 9 at 4:00PM ChST by NWS Tiyan GU
Por NWS04/07/2026 às 17:270 visualizações
* WHAT...For the High Surf Advisory, large breaking waves of 25 to 35
feet in the surf zone. For the Coastal Flood Watch, significant
coastal flooding.
* WHERE...Guam, Rota, Tinian and Saipan.
* WHEN...For the High Surf Advisory, until 4 PM ChST Thursday.
For the Coastal Flood Watch, through Wednesday afternoon.
* 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...Surf levels are building to hazardous levels
along north and east facing reefs as Super Typhoon Bavi approaches
the Marianas from the east, and will rapidly become dangerous
across north, east, and south facing reefs into this evening as
tropical storm force conditions develop, spreading to west facing
reefs soon after. Surf will potentially build to 35 feet Monday
morning near Rota and 30 feet elsewhere as Bavi makes passage
through the islands as a Category 5 Super Typhoon. Coastal
inundation will become likely beginning late this afternoon,
potentially sooner if the system begins to move faster. During the
passage of Bavi, coastal inundation could approach 12 feet,
especially near the storm center due to the dome effect. Once Bavi
exits to the west-northwest by Tuesday, coastal inundation and
erosion is likely to increase along west facing shores while easing
elsewhere.
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