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: 4.128   rssi: -63.0

Weather data provided by OpenWeather

Air Temp

humidity

Dew Point

Winds

Gusts

Barometer

Rain Rate

Rain Today

May 21, 2026 21:35

52° F

50%

33° F

NW 1 mph

5 mph

30.30

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 21:00

52.9° F

2.0 ft

8 secs

SW 5.8 kts

7.8 kts

30.24

51.3° F

SE

Belfast Harbor Maine Five Day Weather Forecast

Tonight Friday Friday Night Saturday Saturday Night Sunday Sunday Night Memorial Day Monday Night Tuesday
Low: 41°F High: 68°F Low: 42°F High: 68°F Low: 45°F High: 60°F Low: 44°F High: 57°F Low: 47°F High: 71°F
NW 0 to 5 mph NW 0 to 5 mph NW 0 to 5 mph E 0 to 5 mph S 0 to 5 mph E 0 to 10 mph SE 0 to 5 mph E 5 mph N 0 to 5 mph W 0 to 5 mph
Mostly Clear Sunny Mostly Clear Mostly Sunny Mostly Cloudy Mostly Cloudy Rain Showers Rain Showers Likely Chance Rain Showers Partly Sunny

Detailed Forecast

Tonight:

Mostly clear, with a low around 41. 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 42. Northwest wind 0 to 5 mph.

Saturday:

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

Saturday Night:

Mostly cloudy, with a low around 45. South wind 0 to 5 mph.

Sunday:

Mostly cloudy, with a high near 60.

Sunday Night:

Rain showers. Mostly cloudy, with a low around 44. Chance of precipitation is 80%.

Memorial Day:

Rain showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

Monday Night:

A chance of rain showers before 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

Tuesday:

Partly sunny, with a high near 71.

Hourly Marine Point Forecast - 12nm SE of Portland Maine - Location: 43.525 -70.14
Time 09:00PM 10:00PM 11:00PM 12:00AM 01:00AM 02:00AM 03:00AM 04:00AM 05:00AM 06:00AM
Temperature 50° F 49° F 48° F 47° F 46° F 44° F 44° F 45° F 44° F 44° F
Wind Speed W 4kt NW 5kt NNW 5kt NNW 5kt NNW 5kt NNW 5kt NNW 5kt N 6kt N 6kt N 6kt
Wind Gust 9kt 9kt 10kt 10kt 10kt 10kt 11kt 11kt 12kt 11kt
Wave Ht. 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft
Weather