650
FZMY50 PGUM 220543
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
343 PM ChST Sat Jun 22 2024

Marianas Waters out to 40 nautical miles

PMZ150-222130-
343 PM ChST Sat Jun 22 2024

.Synopsis for Marianas Waters...Moderate winds expected through
Sunday with combined seas of 3 to 5 feet. Winds and seas begin to
increase by later Sunday night as a surge in trade winds and trade
swell arrive. Winds become moderate to fresh by Monday and seas will
build to 5 to 7 feet by Monday night. The elevated winds and seas
continue through at least the middle of next week.

$$

PMZ151-152-222130-
Guam Coastal Waters-Rota Coastal Waters-
343 PM ChST Sat Jun 22 2024

.TONIGHT...East wind 15 kt. Wind waves 3 ft. East swell 3 ft.
.SUNDAY...East wind 15 kt. Wind waves 3 ft. East swell 3 ft.
.SUNDAY NIGHT...East wind 15 kt. Wind waves 3 ft. East swell 3 to
4 ft. Scattered showers.
.MONDAY AND MONDAY NIGHT...East wind 15 to 20 kt. Wind waves 3 to 4 ft.
East swell 4 to 5 ft. Scattered showers. Isolated thunderstorms Guam
waters.
.TUESDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell 5
ft.
.WEDNESDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell
5 to 6 ft. Chance of showers and slight chance of thunderstorms Guam
waters.
.THURSDAY...East wind 15 kt. Wind waves 3 ft. East swell 5 ft.
Slight chance of thunderstorms.

$$

PMZ153-154-222130-
Tinian Coastal Waters-Saipan Coastal Waters-
343 PM ChST Sat Jun 22 2024

.TONIGHT...East wind 15 kt. Wind waves 3 ft. East swell 3 ft.
.SUNDAY...East wind 15 kt. Wind waves 3 ft. East swell 3 ft.
.SUNDAY NIGHT...East wind 15 kt. Wind waves 3 ft. East swell 3 to
4 ft.
.MONDAY THROUGH TUESDAY...East wind 15 to 20 kt. Wind waves 3 to 4
ft. East swell 4 to 5 ft.
.WEDNESDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell
5 to 6 ft.
.THURSDAY...East wind 15 kt. Wind waves 3 ft. East swell 5 ft.
Slight chance of thunderstorms.

$$