ctx.globalCompositeOperation = "source-over"; ctx.lineWidth = 2; Content-type:text/html Belfast Harbor Maine Tides

Belfast Harbor Maine Tide & Weather - May 21, 2026.  Sunrise: 05:15 - Sunset: 19:50

BatV: 4.194   rssi: -73.0

Weather data provided by OpenWeather

Air Temp

humidity

Dew Point

Winds

Gusts

Barometer

Rain Rate

Rain Today

May 21, 2026 13:20

59° F

43%

36° F

NW 4 mph

7 mph

30.15

NDBC - Station 44007 (LLNR75) - (43.525N 70.140W) - 12NM Southeast of Portland

Offshore Conditions

Air Temp

Wave Hgt

Wave Per

Winds

Gusts

Barometer

Water Temp

Wave Dir

May 21, 2026 12:20

53.8° F

2.0 ft

7 secs

NE 7.8 kts

9.7 kts

30.17

51.4° F

SE

Belfast Harbor Maine Five Day Weather Forecast

Today Tonight Friday Friday Night Saturday Saturday Night Sunday Sunday Night Memorial Day Monday Night
High: 64°F Low: 39°F High: 68°F Low: 41°F High: 68°F Low: 45°F High: 59°F Low: 44°F High: 60°F Low: 47°F
NW 5 to 10 mph NW 0 to 5 mph NW 0 to 5 mph NW 0 to 5 mph E 0 to 5 mph W 0 to 5 mph SE 0 to 10 mph SE 0 to 5 mph E 0 to 5 mph NW 0 to 5 mph
Mostly Sunny Mostly Clear Sunny Mostly Clear Partly Sunny Mostly Cloudy Partly Sunny then Slight Chance Rain Showers Chance Rain Showers Chance Rain Showers Chance Rain Showers then Mostly Cloudy

Detailed Forecast

Today:

Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph.

Tonight:

Mostly clear, with a low around 39. Northwest wind 0 to 5 mph.

Friday:

Sunny, with a high near 68. Northwest wind 0 to 5 mph.

Friday Night:

Mostly clear, with a low around 41. Northwest wind 0 to 5 mph.

Saturday:

Partly sunny, with a high near 68. East wind 0 to 5 mph.

Saturday Night:

Mostly cloudy, with a low around 45.

Sunday:

A slight chance of rain showers after 4pm. Partly sunny, with a high near 59.

Sunday Night:

A chance of rain showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.

Memorial Day:

A chance of rain showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.

Monday Night:

A chance of rain showers before midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

Hourly Marine Point Forecast - 12nm SE of Portland Maine - Location: 43.525 -70.14
Time 01:00PM 02:00PM 03:00PM 04:00PM 05:00PM 06:00PM 07:00PM 08:00PM 09:00PM 10:00PM
Temperature 55° F 56° F 56° F 58° F 56° F 56° F 56° F 54° F 52° F 49° F
Wind Speed WNW 4kt WSW 5kt SW 5kt SW 6kt SW 6kt SW 4kt WSW 4kt W 4kt W 4kt NNW 4kt
Wind Gust 8kt 10kt 10kt 12kt 12kt 8kt 8kt 8kt 8kt 8kt
Wave Ht. 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft
Weather