FZMY50 PGUM 011810

CWFGUM



Coastal Waters Forecast for the Mariana Islands

National Weather Service Tiyan GU

410 AM ChST Mon Nov 2 2026



Marianas Waters out to 40 nautical miles



PMZ150-020815-

410 AM ChST Mon Nov 2 2026



.Synopsis for Marianas Waters...

Light to gentle trade winds are expected through Tuesday night,

becoming moderate around midweek onward. Combined seas of 6 to 8 

ft are expected to begin to gradually diminish tonight as long-

period swell from Typhoon In-fa begins to diminish. On Tuesday, 

seas look to fall to around 5 to 6 feet, and will remain at these 

levels through the rest of the week. The secondary northeast to 

east trade swell looks to become dominant by late Tuesday.



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PMZ151>154-020815-

MARIANAS COASTAL WATERS-

410 AM ChST Mon Nov 2 2026



.TODAY...East wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: North

7 ft at 13 seconds, northeast 3 ft at 9 seconds and east 2 ft at 

4 seconds.

.TONIGHT...East wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail:

North 5 ft at 12 seconds, east 3 ft at 9 seconds and east 2 ft at

4 seconds. 

.TUESDAY...East wind 10 kt. Seas 5 to 6 ft. Wave Detail: North 5 

ft at 11 seconds, east 4 ft at 9 seconds, and east 2 ft at 4 

seconds. 

.TUESDAY NIGHT...East wind 5 to 10 kt. Seas 5 to 6 ft. Wave

Detail: East 4 ft at 10 seconds, northwest 4 ft at 11 seconds, 

and east 2 ft at 4 seconds. 

.WEDNESDAY THROUGH FRIDAY...Northeast wind 10 to 15 kt. Seas 5 to

6 ft. Wave Detail: East 5 ft at 11 seconds, northwest 4 ft at 11 

seconds, and east 3 ft at 4 seconds. 



$$