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weather NWS minor Guam; Rota; Tinian; Saipan November 2, 2026 at 4:33 AM

High Surf Advisory

* WHAT...Large breaking waves of 7 to 9 feet in the surf zone and dangerous rip currents.

* WHERE...North facing reefs of the Marianas.

* WHEN...Until 4 AM ChST Tuesday.

* 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...Elevated, long-period, north-northwest swell from Typhoon In-fa will continue to produce hazardous surf and a high risk of rip currents along north facing reefs through tonight, likely diminishing below hazardous levels by late tonight as swells steadily diminish. Hazardous surf of 7 to 9 feet early tonight is expected to diminish below hazardous levels, becoming 6 to 8 feet by late tonight.

Local conditions in Guam; Rota; Tinian; Saipan may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.

Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.

Alert USA is tracking this developing situation and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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