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

Active Sensor: Ultrasonic

Belfast Tide & Weather - Dec 09, 2025.     Sunrise: 07:02 - Sunset: 15:58

Local Weather

Air Temp

Humidity

Dew Point

Winds

Gusts

Barometer

Rain Rate

Rain Today

14° F

70%

6° F

0.0 kts

↓ 30.05 ↓

--

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 09, 2025 18:00

° F

0.3 ft

° F

Belfast Five Day Forecast (from the National Weather Service)

This Afternoon Tonight Wednesday Wednesday Night Thursday Thursday Night Friday Friday Night Saturday Saturday Night
High: 26°F Low: 19°F High: 41°F Low: 33°F High: 36°F Low: 19°F High: 27°F Low: 18°F High: 31°F Low: 22°F
SW 5 mph SW 5 to 10 mph SW 5 to 15 mph SW 10 to 15 mph W 10 to 15 mph W 15 to 20 mph W 15 to 20 mph W 5 to 15 mph W 5 to 10 mph W 5 mph
Partly Sunny Mostly Cloudy then Snow Likely Chance Light Snow then Rain And Snow Rain Chance Light Snow Chance Light Snow then Mostly Cloudy Mostly Sunny Mostly Clear Partly Sunny then Slight Chance Light Snow Slight Chance Light Snow

Detailed Forecast

This Afternoon:

Partly sunny, with a high near 26. Southwest wind around 5 mph.

Tonight:

Snow likely after midnight. Mostly cloudy. Low around 19, with temperatures rising to around 28 overnight. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Wednesday:

A chance of snow before 11am, then rain and snow. Mostly cloudy, with a high near 41. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night:

Rain before 4am. Mostly cloudy, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

Thursday:

A slight chance of rain between 8am and 11am, then a chance of snow. Partly sunny, with a high near 36. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Thursday Night:

A chance of snow before 8pm. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

Friday:

Mostly sunny, with a high near 27.

Friday Night:

Mostly clear, with a low around 18.

Saturday:

A slight chance of snow after 1pm. Partly sunny, with a high near 31.

Saturday Night:

A slight chance of snow. Mostly cloudy, with a low around 22.

Hourly Marine Forecast Penobscot Bay - Buoy F01 - 6nm SE Rockland
Time 07:00PM 08:00PM 09:00PM 10:00PM 12:00AM 03:00AM 04:00AM 05:00AM 06:00AM 07:00AM
Temperature 29° F 28° F 30° F 31° F 33° F 33° F 34° F 34° F 35° F 36° F
Wind Speed SSW 8kt SSW 9kt SW 10kt SW 11kt SW 12kt SW 12kt SW 12kt SW 12kt WSW 11kt WSW 11kt
Wind Gust 15kt 17kt 19kt 20kt 22kt 22kt 22kt 22kt 20kt 20kt
Wave Ht. 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft 0.0ft
Wave Prd. 3sec 3sec 3sec 4sec 5sec 6sec 6sec 7sec 7sec 7sec
Weather chance light snow likely moderate snow slight chance moderate rain chance light rain chance light snow chance light rain chance light snow chance light rain chance light snow chance light rain chance light snow