300
FZMY50 PGUM 091821
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
421 AM ChST Mon Mar 10 2025

Marianas Waters out to 40 nautical miles

PMZ150-101215-
421 AM ChST Mon Mar 10 2025

.Synopsis for Marianas Waters...Moderate trades will prevail the
next few days, becoming moderate to fresh for the latter half
of this week. Seas will be in the 5 to 7 foot range through
Tuesday, increasing a foot or more Tuesday night as a shear line
fragments moves into the northern Mariana Islands. Then, a
significant north swell arrives Wednesday, potentially leading to
hazardous conditions for small craft.

$$

PMZ151>154-101215-
MARIANAS COASTAL WATERS-
421 AM ChST Mon Mar 10 2025

.TODAY...Northeast wind 15 kt. Seas 6 to 7 ft. Wave Detail: East
5 ft at 9 seconds, east 3 ft at 5 seconds and north 3 ft at
12 seconds.
.TONIGHT...Northeast wind 15 kt. Seas 6 to 7 ft. Wave Detail:
East 5 ft at 9 seconds, northeast 3 ft at 5 seconds and north
3 ft at 12 seconds.
.TUESDAY...Northeast wind 15 kt. Seas 6 to 7 ft. Wave Detail:
East 6 ft at 9 seconds, northeast 3 ft at 5 seconds and north
3 ft at 12 seconds.
.TUESDAY NIGHT...Northeast wind 15 kt. Seas 7 to 9 ft. Wave
Detail: Northeast 6 ft at 9 seconds, north 4 ft at 12 seconds and
northeast 3 ft at 5 seconds.
.WEDNESDAY THROUGH FRIDAY...East wind 15 to 20 kt. Seas 7 to
9 ft. Wave Detail: North 6 ft at 11 seconds, east 5 ft at
9 seconds and northeast 4 ft at 6 seconds.

$$