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

Active Sensor: Ultrasonic

Belfast Tide & Weather - Dec 17, 2025.     Sunrise: 07:08 - Sunset: 15:59

Local Weather

Air Temp

Humidity

Dew Point

Winds

Gusts

Barometer

Rain Rate

Rain Today

37° F

81%

32° F

0.0 kts

↑ 29.90 ↑

--

0.0 in

NDBC Marine Observation- Penobscot Bay - 6nm Southeast Rockland - Location: 44.055N 68.996W

Observation Time

Air Temp

Wave Hgt

Wave Per

Winds

Gusts

Barometer

Water Temp

Visibility

Dec 17, 2025 20:00

40.8° F

W 15.6 kts

19.4 kts

° F

Belfast Five Day Forecast (from the National Weather Service)

Tonight Thursday Thursday Night Friday Friday Night Saturday Saturday Night Sunday Sunday Night Monday
Low: 27°F High: 44°F Low: 39°F High: 51°F Low: 24°F High: 35°F Low: 27°F High: 40°F Low: 18°F High: 24°F
W 5 to 15 mph SW 5 to 15 mph S 15 to 25 mph S 25 to 30 mph SW 20 to 25 mph W 10 to 20 mph SW 5 to 15 mph SW 15 mph W 15 to 20 mph NW 15 to 20 mph
Mostly Clear Mostly Sunny Light Rain Likely Rain Rain Likely then Mostly Cloudy Mostly Sunny Rain And Snow Likely Chance Rain And Snow Slight Chance Rain And Snow then Partly Cloudy Mostly Sunny

Detailed Forecast

Tonight:

Mostly clear, with a low around 27. West wind 5 to 15 mph, with gusts as high as 25 mph.

Thursday:

Mostly sunny, with a high near 44. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Thursday Night:

Rain likely after 11pm. Mostly cloudy. Low around 39, with temperatures rising to around 47 overnight. South wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Friday:

Rain. Cloudy, with a high near 51. South wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%.

Friday Night:

Rain likely before 7pm, then a chance of rain showers between 7pm and 10pm. Mostly cloudy, with a low around 24. Southwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%.

Saturday:

Mostly sunny, with a high near 35.

Saturday Night:

A slight chance of snow between 9pm and 10pm, then rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

Sunday:

A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.

Sunday Night:

A slight chance of rain and snow before 8pm. Partly cloudy, with a low around 18.

Monday:

Mostly sunny, with a high near 24.

Hourly Marine Forecast Penobscot Bay - Buoy F01 - 6nm SE Rockland
Time 10:00PM 11:00PM 12:00AM 01:00AM 02:00AM 03:00AM 04:00AM 05:00AM 06:00AM 07:00AM
Temperature 40° F 39° F 39° F 38° F 37° F 35° F 34° F 34° F 34° F 33° F
Wind Speed W 12kt W 11kt WNW 10kt WNW 9kt WNW 8kt NW 8kt NW 7kt WNW 6kt WSW 6kt WSW 5kt
Wind Gust 22kt 20kt 19kt 17kt 15kt 15kt 14kt 12kt 12kt 10kt
Wave Ht. 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft
Wave Prd. 8sec 8sec 8sec 8sec 8sec 8sec 8sec 8sec 8sec 8sec
Weather