Your Ultimate Boating Resource

HomeForecastsAlaska ForecastsBarlow Cove, AK - Mansfield Peninsula Marine Weather

Barlow Cove, AK - Mansfield Peninsula Marine Weather Forecast

Station PTLA2 - Portland Island, AK

May 12, 2026 9:22 am AKDT
Location: 58.346N 134.752W
Wind Direction: NW (320°)
Wind Speed: 8.0 knots
Wind Gust: 12.1 knots
Atmospheric Pressure: 30.02 in (1016.7 mb)
Air Temperature: 45.3°F (7.4°C)
Dew Point: 42.6°F (5.9°C)


Today - 56°F
May 12, 2026
5 to 10 mph N
Mostly Sunny then Rain Showers
Rain showers after 4pm. Mostly sunny, with a high near 56. North wind 5 to 10 mph.
Tonight - 42°F
May 12, 2026
0 to 5 mph E
Rain Showers then Chance Light Rain
Rain showers before 1am, then a chance of rain. Mostly cloudy, with a low around 42. East wind 0 to 5 mph. Chance of precipitation is 40%.
Wednesday - 49°F
May 13, 2026
0 to 5 mph SE
Light Rain
Rain. Cloudy, with a high near 49. Southeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night - 40°F
May 13, 2026
5 to 10 mph SE
Light Rain then Rain Showers
Rain before 7pm, then rain showers. Cloudy, with a low around 40. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday - 49°F
May 14, 2026
5 to 10 mph SE
Rain Showers
Rain showers. Cloudy, with a high near 49. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday Night - 39°F
May 14, 2026
5 to 10 mph E
Rain Showers Likely
Rain showers likely before 4am. Cloudy, with a low around 39. Chance of precipitation is 60%.
Friday - 52°F
May 15, 2026
5 mph NE
Chance Light Rain
A chance of rain after 10am. Mostly cloudy, with a high near 52.
Friday Night - 40°F
May 15, 2026
5 mph S
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 40.
Saturday - 52°F
May 16, 2026
5 mph SE
Chance Light Rain
A chance of rain. Partly sunny, with a high near 52.
Saturday Night - 40°F
May 16, 2026
5 to 10 mph E
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 40.
Sunday - 49°F
May 17, 2026
10 to 15 mph E
Light Rain Likely
Rain likely. Cloudy, with a high near 49.
Sunday Night - 40°F
May 17, 2026
10 to 15 mph E
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 40.
Monday - 47°F
May 18, 2026
10 mph SE
Light Rain Likely
Rain likely before 4pm, then rain showers. Mostly cloudy, with a high near 47.
Monday Night - 39°F
May 18, 2026
5 to 10 mph S
Rain Showers
Rain showers. Cloudy, with a low around 39.

Don't Miss

Add us on Google to stay connected!
Add Us on Google