FZMY50 PGUM 231755

CWFGUM



Coastal Waters Forecast for the Mariana Islands

National Weather Service Tiyan GU

355 AM ChST Fri Apr 24 2026



Marianas Waters out to 40 nautical miles



PMZ150-240815-

355 AM ChST Fri Apr 24 2026



.Synopsis for Marianas Waters...

Gentle to moderate winds will prevail across the region the next

few days, before becoming moderate to fresh beginning late

Saturday as a trade-wind pattern continues. Combined seas of 5 to

7 feet will briefly taper down Saturday, then increase once again

thereafter as trade swell and wind waves increase.



$$



PMZ151>154-240815-

MARIANAS COASTAL WATERS-

355 AM ChST Fri Apr 24 2026



.TODAY...East wind 10 to 20 kt. Seas 5 to 7 ft. Wave Detail:

Northeast 5 ft at 11 seconds, east 3 ft at 5 seconds and east

3 ft at 10 seconds. 

.TONIGHT...East wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail:

Northeast 4 ft at 10 seconds, east 3 ft at 4 seconds and east

3 ft at 10 seconds. 

.SATURDAY...Northeast wind 10 to 15 kt. Seas around 5 ft. Wave

Detail: Northeast 3 ft at 4 seconds, east 3 ft at 10 seconds and

northeast 3 ft at 12 seconds. 

.SATURDAY NIGHT...Northeast wind 10 to 15 kt. Seas around 5 ft.

Wave Detail: Northeast 3 ft at 5 seconds, east 3 ft at 10 seconds

and northeast 3 ft at 11 seconds. 

.SUNDAY AND MONDAY...East wind 15 kt. Seas 5 to 7 ft. Wave

Detail: Northeast 6 ft at 7 seconds and northeast 3 ft at

5 seconds. A chance of showers. 

.TUESDAY...East wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail:

Northeast 6 ft at 8 seconds and east 4 ft at 6 seconds. A chance

of showers.  



$$