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: 4.086   rssi: -70.0

Weather data provided by OpenWeather

Air Temp

humidity

Dew Point

Winds

Gusts

Barometer

Rain Rate

Rain Today

May 17, 2026 07:00

59° F

85%

54° F

W 9 mph

26 mph

29.80

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 06:30

51.6° F

4.3 ft

6 secs

SW 9.7 kts

11.7 kts

29.85

47.7° F

S

Belfast Harbor Maine Five Day Weather Forecast

Today Tonight Monday Monday Night Tuesday Tuesday Night Wednesday Wednesday Night Thursday Thursday Night
High: 77°F Low: 47°F High: 67°F Low: 47°F High: 84°F Low: 63°F High: 85°F Low: 49°F High: 63°F Low: 43°F
W 5 to 15 mph NW 0 to 10 mph SE 0 to 10 mph S 0 to 5 mph SW 0 to 10 mph SW 5 mph SW 5 to 10 mph W 5 to 10 mph NW 10 mph NW 0 to 10 mph
Sunny Partly Cloudy Mostly Sunny Mostly Clear Mostly Sunny then Chance Rain Showers Slight Chance Rain Showers then Partly Cloudy Showers And Thunderstorms Likely Chance Showers And Thunderstorms then Partly Cloudy Mostly Sunny Mostly Clear

Detailed Forecast

Today:

Sunny, with a high near 77. West wind 5 to 15 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.

Tonight:

Partly cloudy, with a low around 47. Northwest wind 0 to 10 mph, with gusts as high as 25 mph.

Monday:

Mostly sunny, with a high near 67. Southeast wind 0 to 10 mph.

Monday Night:

Mostly clear, with a low around 47. South wind 0 to 5 mph.

Tuesday:

A chance of rain showers after 2pm. Mostly sunny, with a high near 84. Southwest wind 0 to 10 mph. Chance of precipitation is 30%.

Tuesday Night:

A slight chance of rain showers before 8pm. Partly cloudy, with a low around 63.

Wednesday:

A slight chance of rain showers between 11am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 85. Chance of precipitation is 60%.

Wednesday Night:

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Chance of precipitation is 50%.

Thursday:

Mostly sunny, with a high near 63.

Thursday Night:

Mostly clear, with a low around 43.

Hourly Marine Point Forecast - 12nm SE of Portland Maine - Location: 43.525 -70.14
Time 07:00AM 08:00AM 09:00AM 10:00AM 11:00AM 12:00PM 01:00PM 03:00PM 04:00PM 05:00PM
Temperature 53° F 55° F 58° F 59° F 61° F 62° F 64° F 64° F 67° F 64° F
Wind Speed WSW 9kt WSW 8kt WSW 9kt WSW 9kt WSW 10kt W 10kt W 11kt W 11kt W 10kt W 10kt
Wind Gust 16kt 15kt 15kt 17kt 19kt 19kt 20kt 19kt 20kt 19kt
Wave Ht. 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft
Weather