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weather NWS minor Guam Coastal Waters; Rota Coastal Waters; Tinian Coastal Waters; Saipan Coastal Waters October 29, 2026 at 7:20 PM

Small Craft Advisory

* WHAT...Seas 7 to 10 feet for Guam and Rota and 11 to 14 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 Super Typhoon In-fa continues to approach the northern CNMI, seas are quickly building to around 10 feet over Guam and Rota waters and 11 to 14 feet over Tinian and Siapan waters. The large, long-period swell will slowly shift from northeast to northwest through Saturday.

Local conditions in Guam Coastal Waters; Rota Coastal Waters; Tinian Coastal Waters; Saipan Coastal Waters 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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