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Northern Mariana Islands alert stream

2 active alerts right now, 1 severe or extreme. Weather, flood, heat, fire, wind, marine, air and quakes from NWS, USGS and Open-Meteo, refreshed every 10 minutes.

Air quality (state centre)16Good
Severe or extreme1
Counties affected0
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A striking view of lightning illuminating dark clouds above a tropical ocean landscape.
Photo: Balazs Simon / Pexels

Active alerts

Newest and most severe first. Source on every card.

SevereFloodingends 2026-10-04

Flood Watch · Tinian; Saipan

Flood Watch issued October 1 at 11:11PM ChST until October 5 at 4:00AM ChST by NWS Tiyan GU

What to do

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

MissionSandbag, check a drain, or clear a storm grate near youBlocked street drains are the top cause of nuisance street flooding. One cleared grate protects a block. · on ClimateChallenge.com
NWS Tiyan GUSource →
ModerateFloodingends 2026-10-05

Coastal Flood Watch · Tinian; Saipan

Coastal Flood Watch issued October 1 at 8:43PM ChST until October 5 at 10:00PM ChST by NWS Tiyan GU

What to do

Rip currents will be life threatening. Inexperienced 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.

MissionSandbag, check a drain, or clear a storm grate near youBlocked street drains are the top cause of nuisance street flooding. One cleared grate protects a block. · on ClimateChallenge.com
NWS Tiyan GUSource →

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