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

Belfast Harbor Maine Tide & Weather - May 17, 2026.  Sunrise: 05:15 - Sunset: 19:50

BatV: 4.138   rssi: -69.0

Weather data provided by OpenWeather

Air Temp

humidity

Dew Point

Winds

Gusts

Barometer

Rain Rate

Rain Today

May 17, 2026 19:25

76° F

39%

49° F

NW 12 mph

26 mph

29.94

0.01 in

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 17, 2026 18:40

64.9° F

2.6 ft

8 secs

NW 5.8 kts

9.7 kts

29.92

49.5° F

SE

Belfast Harbor Maine Five Day Weather Forecast

Tonight Monday Monday Night Tuesday Tuesday Night Wednesday Wednesday Night Thursday Thursday Night Friday
Low: 47°F High: 66°F Low: 48°F High: 87°F Low: 64°F High: 85°F Low: 47°F High: 63°F Low: 42°F High: 63°F
NW 0 to 10 mph E 0 to 10 mph S 0 to 5 mph SW 0 to 10 mph SW 5 mph W 5 to 10 mph NW 10 mph NW 10 mph NW 0 to 5 mph W 0 to 10 mph
Partly Cloudy Mostly Sunny Partly Cloudy Mostly Sunny then Slight Chance Showers And Thunderstorms Slight Chance Showers And Thunderstorms then Partly Cloudy Slight Chance Showers And Thunderstorms Chance Showers And Thunderstorms then Partly Cloudy Sunny Mostly Clear Mostly Sunny

Detailed Forecast

Tonight:

Partly cloudy, with a low around 47. Northwest wind 0 to 10 mph.

Monday:

Mostly sunny, with a high near 66. East wind 0 to 10 mph.

Monday Night:

Partly cloudy, with a low around 48. South wind 0 to 5 mph.

Tuesday:

A slight chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southwest wind 0 to 10 mph. Chance of precipitation is 30%.

Tuesday Night:

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Southwest wind around 5 mph.

Wednesday:

A slight chance of rain showers between 10am and 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 50%.

Wednesday Night:

A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 47. Chance of precipitation is 50%.

Thursday:

Sunny, with a high near 63.

Thursday Night:

Mostly clear, with a low around 42.

Friday:

Mostly sunny, with a high near 63.

Hourly Marine Point Forecast - 12nm SE of Portland Maine - Location: 43.525 -70.14
Time 07:00PM 08:00PM 09:00PM 10:00PM 11:00PM 12:00AM 01:00AM 02:00AM 03:00AM 04:00AM
Temperature 61° F 58° F 57° F 55° F 54° F 53° F 52° F 51° F 50° F 49° F
Wind Speed WNW 7kt NW 6kt NW 6kt NNW 6kt NNW 6kt N 5kt N 5kt N 5kt N 5kt N 4kt
Wind Gust 14kt 12kt 12kt 12kt 12kt 10kt 10kt 10kt 10kt 8kt
Wave Ht. 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft
Weather