High Surf Advisory
Coastal Hazard Message...CORRECTED
National Weather Service Tiyan GU
322 PM ChST Fri Oct 30 2026
GUZ001-MPZ001-302000-
/O.COR.PGUM.SU.Y.0060.000000T0000Z-261031T0600Z/
/O.COR.PGUM.RP.S.0024.000000T0000Z-261031T0600Z/
Guam-Rota-
322 PM ChST Fri Oct 30 2026
Corrected wave height.
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
AFTERNOON...
* WHAT...Large breaking waves of 9 to 12 feet and dangerous rip
currents expected.
* WHERE...West, north and east facing reefs of Guam and Rota.
* WHEN...Until 4 PM ChST Saturday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...As TY In-fa moves through the far northern
CNMI, the large, long-period northeast to north swell emanating
from In-fa will maintain hazardous surf along north and east
facing reefs. Seas have begun to slowly subside and will
gradually turn northwest, ending hazardous surf along east
facing reefs and beginning hazardous surf along west facing
reefs this evening. Surf will remain hazardous through
Saturday afternoon. These surf conditions will maintain a high
risk of dangerous rip currents. Although surf will fall below
hazardous levels along east facing reefs, the rip current risk
will remain high.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip
current, relax and float. Don`t swim against the current. If
able, swim in a direction following the shoreline. If unable to
escape, face the shore and call or wave for help.
&&
$$
Kleeschulte
Coastal Hazard Message...CORRECTED
National Weather Service Tiyan GU
322 PM ChST Fri Oct 30 2026
MPZ002-003-302000-
/O.CAN.PGUM.SU.W.0010.000000T0000Z-261030T0600Z/
/O.CAN.PGUM.CF.S.0010.000000T0000Z-261030T0600Z/
/O.COR.PGUM.SU.Y.0060.261030T0519Z-261031T0600Z/
/O.COR.PGUM.RP.S.0024.000000T0000Z-261031T0600Z/
Tinian-Saipan-
322 PM ChST Fri Oct 30 2026
Corrected wave height.
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 PM CHST SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
AFTERNOON...
...HIGH SURF WARNING IS CANCELLED...
...COASTAL FLOOD STATEMENT IS CANCELLED...
* WHAT...Large breaking waves of 10 to 14 feet and dangerous rip
currents expected.
* WHERE...West, north and east facing reefs of Tinian and Saipan.
* WHEN...Until 4 PM ChST Saturday.
* IMPACTS...Breaking waves can sweep people off jetties and docks,
and into dangerous seas. Life-threatening swimming conditions
and beach erosion can be expected. Rip currents can sweep even
the best swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...As TY In-fa moves through the far northern
CNMI, the large, long-period northeast to north swell emanating
from In-fa will maintain hazardous surf along north and east
facing reefs. Seas have begun to slowly subside and will
gradually turn northwest, ending hazardous surf along east
facing reefs and beginning hazardous surf along west facing
reefs this evening. Surf will remain hazardous through
Saturday afternoon. These surf conditions will maintain a high
risk of dangerous rip currents. Although surf will fall below
hazardous levels along east facing reefs, the rip current risk
will remain high.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip
current, relax and float. Don`t swim against the current. If
able, swim in a direction following the shoreline. If unable to
escape, face the shore and call or wave for help.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Tiyan GU
439 PM ChST Fri Oct 30 2026
PMZ151>154-302100-
/O.CON.PGUM.SC.Y.0078.000000T0000Z-261031T0600Z/
Guam Coastal Waters-Rota Coastal Waters-Tinian Coastal Waters-
Saipan Coastal Waters-
439 PM ChST Fri Oct 30 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST SATURDAY...
* WHAT...Seas 7 to 10 feet for Guam and Rota and 8 to 13 feet for
Tinian and Saipan expected.
* WHERE...Guam, Rota, Tinian, and Saipan Coastal Waters.
* WHEN...Through 4 PM ChST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...As Typhoon In-fa continues to move through the
northern CNMI, seas of 7 to 10 feet will continue in Guam and Rota
waters and 8 to 13 feet in Tinian and Saipan waters. The large,
long-period swell will slowly shift from north to northwest as it
subsides through Saturday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid boating in hazardous conditions.
&&
$$
Kleeschulte
Rip Current Statement
Coastal Hazard Message...CORRECTED
National Weather Service Tiyan GU
322 PM ChST Fri Oct 30 2026
GUZ001-MPZ001-302000-
/O.COR.PGUM.SU.Y.0060.000000T0000Z-261031T0600Z/
/O.COR.PGUM.RP.S.0024.000000T0000Z-261031T0600Z/
Guam-Rota-
322 PM ChST Fri Oct 30 2026
Corrected wave height.
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
AFTERNOON...
* WHAT...Large breaking waves of 9 to 12 feet and dangerous rip
currents expected.
* WHERE...West, north and east facing reefs of Guam and Rota.
* WHEN...Until 4 PM ChST Saturday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...As TY In-fa moves through the far northern
CNMI, the large, long-period northeast to north swell emanating
from In-fa will maintain hazardous surf along north and east
facing reefs. Seas have begun to slowly subside and will
gradually turn northwest, ending hazardous surf along east
facing reefs and beginning hazardous surf along west facing
reefs this evening. Surf will remain hazardous through
Saturday afternoon. These surf conditions will maintain a high
risk of dangerous rip currents. Although surf will fall below
hazardous levels along east facing reefs, the rip current risk
will remain high.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip
current, relax and float. Don`t swim against the current. If
able, swim in a direction following the shoreline. If unable to
escape, face the shore and call or wave for help.
&&
$$
Kleeschulte
Coastal Hazard Message...CORRECTED
National Weather Service Tiyan GU
322 PM ChST Fri Oct 30 2026
MPZ002-003-302000-
/O.CAN.PGUM.SU.W.0010.000000T0000Z-261030T0600Z/
/O.CAN.PGUM.CF.S.0010.000000T0000Z-261030T0600Z/
/O.COR.PGUM.SU.Y.0060.261030T0519Z-261031T0600Z/
/O.COR.PGUM.RP.S.0024.000000T0000Z-261031T0600Z/
Tinian-Saipan-
322 PM ChST Fri Oct 30 2026
Corrected wave height.
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 PM CHST SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
AFTERNOON...
...HIGH SURF WARNING IS CANCELLED...
...COASTAL FLOOD STATEMENT IS CANCELLED...
* WHAT...Large breaking waves of 10 to 14 feet and dangerous rip
currents expected.
* WHERE...West, north and east facing reefs of Tinian and Saipan.
* WHEN...Until 4 PM ChST Saturday.
* IMPACTS...Breaking waves can sweep people off jetties and docks,
and into dangerous seas. Life-threatening swimming conditions
and beach erosion can be expected. Rip currents can sweep even
the best swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...As TY In-fa moves through the far northern
CNMI, the large, long-period northeast to north swell emanating
from In-fa will maintain hazardous surf along north and east
facing reefs. Seas have begun to slowly subside and will
gradually turn northwest, ending hazardous surf along east
facing reefs and beginning hazardous surf along west facing
reefs this evening. Surf will remain hazardous through
Saturday afternoon. These surf conditions will maintain a high
risk of dangerous rip currents. Although surf will fall below
hazardous levels along east facing reefs, the rip current risk
will remain high.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip
current, relax and float. Don`t swim against the current. If
able, swim in a direction following the shoreline. If unable to
escape, face the shore and call or wave for help.
&&
$$
