13°29'N / 144°46'E / Altitud 13 m / 03:49 05/08/2026, Pacific/Guam (UTC+10)
de: 04/08/2026, 15:54
a: 05/08/2026, 06:00
* WHAT...West winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Guam, Rota, Tinian and Saipan. * WHEN...Until 6 AM ChST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Westerly monsoon surge will bring windy conditions through tonight.
Guam,Guam
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution when driving on roads with no
center barriers, as well as when passing high profile vehicles.
Secure loose objects outdoors, as well as canopies. These winds may
move light objects.
NWS Tiyan GU
04/08/2026, 15:54
de: 04/08/2026, 15:55
a: 05/08/2026, 06:00
* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip currents expected in the surf zone. * WHERE...For the High Surf Advisory, along west and north facing reefs of the Marianas. For the High Rip Current Risk, along west, north, and east facing reefs. * 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 Dolphin passes Iwo To, the long-period swell direction is expected to shift to the northwest around midweek.
Guam,GuamInexperienced swimmers should remain out of the water due to
dangerous surf conditions.
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.NWS Tiyan GU04/08/2026, 15:55
de: 04/08/2026, 15:55
a: 05/08/2026, 06:00
* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip currents expected in the surf zone. * WHERE...For the High Surf Advisory, along west and north facing reefs of the Marianas. For the High Rip Current Risk, along west, north, and east facing reefs. * 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 Dolphin passes Iwo To, the long-period swell direction is expected to shift to the northwest around midweek.
Guam,GuamInexperienced swimmers should remain out of the water due to
dangerous surf conditions.
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.NWS Tiyan GU04/08/2026, 15:55