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weather NWS minor Tinian Coastal Waters; Saipan Coastal Waters October 27, 2026 at 5:09 AM

Marine Weather Statement

Typhoon In-fa is expected to pass through the far northern CNMI somewhere between just north of Saipan to as far north as Maug island sometime on Friday. Winds and seas will sharply increase late Thursday ahead of the approaching typhoon, quickly exceeding hazardous levels to small craft by early Friday morning, with seas peaking at 12 to 16 feet. Seas up to 20 feet remain possible if In-fa takes a southern track. Mariners are urged to take precautions and remain weather aware over the coming days.

Local conditions in 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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