Coastal Waters Forecast
Issued by NWS Tiyan, Guam

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
446
FZMY50 PGUM 080604
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
404 PM ChST Sat Nov 8 2025

Marianas Waters out to 40 nautical miles

PMZ150-082000-
404 PM ChST Sat Nov 8 2025

.Synopsis for Marianas Waters...
Gentle to moderate southeasterlies will prevail across the Marianas
through the end of the week. Combined seas of 5 to 7 feet,
comprised of lingering southerly swell, background easterly swells
and localized wind waves, are expected to persist for several
days, before relaxing 1 to 2 feet by the middle of next week.

$$

PMZ151>154-082000-
MARIANAS COASTAL WATERS-
404 PM ChST Sat Nov 8 2025

.TONIGHT...Southeast wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail:
East 5 ft at 9 seconds, west 3 ft at 9 seconds and southeast 3 ft
at 4 seconds. Scattered showers.
.SUNDAY...Southeast wind 10 kt. Seas 5 to 7 ft. Wave Detail:
East 5 ft at 9 seconds, west 3 ft at 9 seconds and southeast 2 ft
at 4 seconds. Scattered showers.
.SUNDAY NIGHT...East wind 10 kt. Seas 6 to 7 ft. Wave Detail:
East 5 ft at 10 seconds, west 3 ft at 9 seconds, north 3 ft at
11 seconds and east 2 ft at 4 seconds.
.MONDAY...East wind 10 kt. Seas 6 to 7 ft. Wave Detail: East 4 ft
at 10 seconds, west 4 ft at 11 seconds, north 3 ft at 11 seconds
and east 2 ft at 4 seconds. Scattered showers.
.MONDAY NIGHT...East wind 10 kt. Seas 5 to 7 ft. Wave Detail:
West 4 ft at 10 seconds, north 4 ft at 10 seconds, east 3 ft at
11 seconds and east 2 ft at 4 seconds.
.TUESDAY THROUGH THURSDAY...East wind 10 to 15 kt. Seas 4 to 6 ft.
Wave Detail: North 4 ft at 11 seconds, east 3 ft at 4 seconds and
west 3 ft at 11 seconds.

$$