Headline:
Tropical Storm Watch issued August 21 at 10:28AM ChST by NWS Tiyan GU
Event:
Tropical Storm Watch
Urgency:
Future
Effective:
August 20, 2026 - 5:28pm
Expires:
August 21, 2026 - 1:00am
Description:
* WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with
gusts up to 35 kt and seas 8 to 12 feet expected. For the Tropical
Storm Watch, west winds 25 to 35 kt with gusts to 40 kt possible.
* WHERE...Tinian Coastal Waters and Saipan Coastal Waters.
* WHEN...For the Small Craft Advisory, from 5 PM this afternoon
to 5 PM ChST Sunday. For the Tropical Storm Watch beginning late
tonight.
* IMPACTS...Very strong winds will cause hazardous seas which
could capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Tropical Storm Saudel (17W) is making its
approach toward the Marianas, with a storm track across the far
northern Marianas. Seas will become hazardous to small craft
this afternoon as winds increase to 25 kt and combined seas of 8
to 12 feet through Sunday afternoon. Tropical storm force winds
of 34 to 64 kt are only possible if there is a significant
westward shift in the track of Tropical Storm Saudel today or
tonight.
Instruction:
Inexperienced mariners, especially those operating smaller
vessels, should avoid boating in hazardous conditions.
Area Description:
Tinian Coastal Waters; Saipan Coastal Waters
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov