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

Belfast Harbor Maine Tide & Weather - May 18, 2026.  Sunrise: 05:15 - Sunset: 19:50

BatV: 4.188   rssi: -68.0

Weather data provided by OpenWeather

Air Temp

humidity

Dew Point

Winds

Gusts

Barometer

Rain Rate

Rain Today

May 18, 2026 08:00

58° F

59%

44° F

E 1 mph

6 mph

30.27

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 18, 2026 07:10

52.2° F

2.0 ft

8 secs

N 5.8 kts

5.8 kts

30.22

47.8° F

SE

Belfast Harbor Maine Five Day Weather Forecast

Today Tonight Tuesday Tuesday Night Wednesday Wednesday Night Thursday Thursday Night Friday Friday Night
High: 64°F Low: 47°F High: 85°F Low: 65°F High: 85°F Low: 47°F High: 62°F Low: 42°F High: 64°F Low: 44°F
SE 0 to 10 mph S 0 to 5 mph S 0 to 10 mph SW 5 mph W 5 to 10 mph NW 5 to 10 mph NW 10 to 15 mph NW 0 to 10 mph W 0 to 10 mph W 0 to 5 mph
Partly Sunny Partly Cloudy Partly Sunny then Chance Showers And Thunderstorms Chance Showers And Thunderstorms then Partly Cloudy Chance Rain Showers Chance Rain Showers then Partly Cloudy Sunny Mostly Clear Mostly Sunny Mostly Cloudy

Detailed Forecast

Today:

Partly sunny, with a high near 64. Southeast wind 0 to 10 mph.

Tonight:

Partly cloudy, with a low around 47. South wind 0 to 5 mph.

Tuesday:

A chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night:

A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 30%.

Wednesday:

A chance of rain showers between 9am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Wednesday Night:

A chance of rain showers before 8pm. Partly cloudy, with a low around 47. Chance of precipitation is 40%.

Thursday:

Sunny, with a high near 62.

Thursday Night:

Mostly clear, with a low around 42.

Friday:

Mostly sunny, with a high near 64.

Friday Night:

Mostly cloudy, with a low around 44.

Hourly Marine Point Forecast - 12nm SE of Portland Maine - Location: 43.525 -70.14
Time 08:00AM 09:00AM 10:00AM 11:00AM 12:00PM 01:00PM 02:00PM 04:00PM 05:00PM 06:00PM
Temperature 46° F 47° F 49° F 50° F 51° F 50° F 52° F 53° F 55° F 52° F
Wind Speed NE 3kt E 3kt SE 3kt SSE 3kt SSE 4kt SSE 5kt SSE 6kt S 5kt S 5kt S 5kt
Wind Gust 6kt 6kt 6kt 6kt 8kt 10kt 12kt 10kt 10kt 10kt
Wave Ht. 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft 0ft
Weather