Headline:
Tropical Storm Warning issued October 17 at 3:37PM ChST by NWS Tiyan GU
Event:
Tropical Storm Warning
Urgency:
Immediate
Effective:
October 16, 2026 - 10:37pm
Expires:
October 17, 2026 - 6:00am
Description:
* WHAT...Tropical storm conditions, including winds of 34 to 63
knots, are expected. Typhoon conditions, including winds of 64
knots or more are possible.
* WHERE...Tinian and Saipan Coastal Waters.
* WHEN...Onset of damaging winds beginning late tonight, continuing
into at least Sunday night, possibly longer if conditions warrant.
* IMPACTS...Destructive winds will produce dangerous seas that could
damage, capsize or sink vessels, along with drastically reducing
visibilities in heavy rain.
* ADDITIONAL DETAILS...Typhoon Champi (29W) continues to move quickly
toward the Marianas. The exact path of 29W remains subject to
change. However, guidance supports a passage through Guam coastal
waters near the southern tip of Guam, with damaging winds moving
into Tinian and Saipan tonight and lasting into at least Sunday
evening. Champi is expected to strengthen further today as it
approaches, then move through the region as a Category 3 typhoon
Sunday morning. Seas are quickly rising, with significant sea
heights reaching as high as 25 feet during closest passage of
Champi. Dangerous sea conditions may continue into Monday.
Instruction:
Prepare for tropical storm force conditions tonight. Secure all
vessels. Conditions are expected to be catastrophic for small craft,
and extremely dangerous for any vessels of larger size. As Typhoon
Champi approaches the Marianas, stay in safe harbor.
Area Description:
Tinian Coastal Waters; Saipan Coastal Waters
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov