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Apra Harbor, Guam Marine Weather Forecast

Station APRP7 - 1630000 - Apra Harbor, Guam

March 21, 2026 0530 UTC
Location: 13.444N 144.657E
Wind Direction: E (80°)
Wind Speed: 8.9 knots
Wind Gust: 13.0 knots
Atmospheric Pressure: 29.80 in (1009.0 mb)
Air Temperature: 82.9°F (28.3°C)
Water Temperature: 84.0°F (28.9°C)


This Afternoon - 83°F
Mar 21, 2026
15 mph ENE
Isolated Rain Showers
Isolated rain showers. Mostly sunny, with a high near 83. East northeast wind around 15 mph. New rainfall amounts less than a tenth of an inch possible.
Tonight - 81°F
Mar 21, 2026
15 mph ENE
Isolated Rain Showers
Isolated rain showers. Partly cloudy, with a low around 81. East northeast wind around 15 mph. New rainfall amounts less than a tenth of an inch possible.
Sunday - 83°F
Mar 21, 2026
15 to 20 mph NE
Isolated Rain Showers
Isolated rain showers. Mostly sunny, with a high near 83. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night - 81°F
Mar 22, 2026
10 to 20 mph NE
Isolated Rain Showers
Isolated rain showers. Partly cloudy, with a low around 81. Northeast wind 10 to 20 mph. New rainfall amounts less than a tenth of an inch possible.
Monday - 83°F
Mar 22, 2026
15 to 20 mph ENE
Isolated Rain Showers
Isolated rain showers. Mostly sunny, with a high near 83. East northeast wind 15 to 20 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
Monday Night - 81°F
Mar 23, 2026
10 to 20 mph ENE
Slight Chance Rain Showers
A slight chance of rain showers. Partly cloudy, with a low around 81. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday - 83°F
Mar 23, 2026
15 mph ENE
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 83.
Tuesday Night - 81°F
Mar 24, 2026
10 to 15 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 81. Chance of precipitation is 30%.
Wednesday - 83°F
Mar 24, 2026
15 mph NE
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 83.
Wednesday Night - 82°F
Mar 25, 2026
10 to 15 mph NE
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a low around 82.
Thursday - 83°F
Mar 25, 2026
10 to 15 mph NE
Slight Chance Rain Showers
A slight chance of rain showers. Mostly sunny, with a high near 83.
Thursday Night - 81°F
Mar 26, 2026
10 to 15 mph NE
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a low around 81.
Friday - 83°F
Mar 26, 2026
10 mph NE
Slight Chance Rain Showers
A slight chance of rain showers. Mostly sunny, with a high near 83.
Friday Night - 81°F
Mar 27, 2026
10 mph NE
Slight Chance Rain Showers
A slight chance of rain showers. Partly cloudy, with a low around 81.

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