Water Temperature of the Gulf of Maine in Eastport, ME

Current Water Temperature

42.6°F

Measurement Time: Tuesday, May 19, 2026, 11:30 AM EDT

Today's Tides

 High: May 19, 12:57 AM, 21.4 ft
Low: May 19, 7:31 AM, -2.1 ft
 High: May 19, 1:33 PM, 19.5 ft
Low: May 19, 7:51 PM, -0.1 ft

Temperature Locations

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Local Points of Interest

Cobscook Bay; Lubec Narrows; Indian River; Friars Bay; Welshpool NB

Gulf of Maine

Station Name: Eastport
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -3 feet

Nearest Address:
57 Water St
Eastport, ME 04631
Washington County

GPS Coordinates: 44.904598, -66.982903

Nearby Water Temperatures

St. Croix River, Calais, ME (23.9 mi)
Lewy Lake, Princeton, ME (36.5 mi)
Grand Lake Stream, Grand Lake Stream, ME (43.3 mi)
Narraguagus River, Cherryfield, ME (51 mi)
Penobscot River, Eddington, ME (84.1 mi)
Meduxnekeag River, Houlton, ME (96.7 mi)
Ducktrap River, Lincolnville, ME (109.6 mi)
Piscataquis River, Guilford, ME (115.4 mi)
Sheepscot River, Whitefield, ME (136.9 mi)
Gulf of Maine, Monhegan, ME (143.2 mi)
Halifax Harbour, Halifax, NS (178.1 mi)
Allagash River, Allagash, ME (180.3 mi)
St. John River, Saint Francis, ME (180.9 mi)
Gulf of Maine, Portland, ME (182.8 mi)
Gulf of Maine, Cape Elizabeth, ME (183.1 mi)

Weather for Eastport, Maine

Current Weather

51.6°F
Sunny
Sunny
49.2°F
52.6°F
88%
SE 6.9 mph
13.7 mph
50.7°F
47.4°F
0 in
0%
6 mi
1015 mbar
6.5

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 60°F
L: 44°F
Patchy rain nearby
Wed
H: 68°F
L: 51°F
Sunny
Thu
H: 55°F
L: 43°F
Sunny
Fri
H: 57°F
L: 41°F
Sunny
Sat
H: 55°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 16.84 μg/m3
PM10: 20.64 μg/m3
Carbon Monoxide: 169.74 μg/m3
Nitrogen Dioxide: 1.54 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 134 μg/m3

Astronomical

Sunrise: 4:55 AM
Sun Transit: 12:24 AM
Sunset: 7:55 PM
Daylight: 15 hrs mins
Moonrise: 7:00 AM
Moon Transit: 3:27 PM
Moonset: 11:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:36 AM - 8:06 AM
2:57 PM - 5:27 PM

Minor Periods

12:00 AM - 12:00 AM
6:30 AM - 8:00 AM

Action Rating: 2 out of 5

Air Quality Alert issued May 18 at 3:10PM EDT by NWS Caribou ME

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 3:10 PM
Expires: Tue May 19, 2026, 10:00 PM

The Maine Department of Environmental Protection's Bureau of Air Quality has issued an Air Quality Alert for ozone from 10 AM to 10 PM EDT Tuesday. Ozone levels are expected to rise into the Unhealthy for Sensitive Groups range on Tuesday. The rest of the state except the Northern region are expected to reach the Moderate range. In addition, particle pollution levels are expected to be Moderate for most of the state except for the Northern region. It is important to remember that even in areas with Moderate levels of ozone and particle pollution the health impacts will be compounded by the effects of heat and humidity. The Maine Department of Environmental Protection recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, older adults, those who work outdoors, those with pre-existing respiratory problems such as asthma, and those with heart disease. It is okay to be active outdoors. But if you experience symptoms such as shortness of breath, coughing, throat irritation or an uncomfortable sensation in your chest, please consider limiting the intensity and duration of your outdoor activities. A toll free air quality hotline has been established so Maine residents can stay informed on the air quality situations. The toll free number is: 1-800-223-1196. Additionally the Maine Department of Environmental Protection has the air quality forecast available on the web at www.maine.gov/dep/air/aqforecast.


Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
60.1°F
44.2°F
50.6°F
84%
0.1 in
77%
0%
7.4 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 13.46 μg/m3
PM10: 17.82 μg/m3
Carbon Monoxide: 146.54 μg/m3
Nitrogen Dioxide: 1.47 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 105.28 μg/m3

Astronomical

Sunrise: 4:55 AM
Sun Transit: 12:24 AM
Sunset: 7:55 PM
Daylight: 15 hrs mins
Moonrise: 7:00 AM
Moon Transit: 3:27 PM
Moonset: 11:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:36 AM - 8:06 AM
2:57 PM - 5:27 PM

Minor Periods

12:00 AM - 12:00 AM
6:30 AM - 8:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
68.1°F
51.2°F
60.4°F
86%
0.1 in
89%
0%
15.9 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 7.6 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 170.66 μg/m3
Nitrogen Dioxide: 1.64 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 101.2 μg/m3

Astronomical

Sunrise: 4:54 AM
Sun Transit: 12:24 AM
Sunset: 7:56 PM
Daylight: 15 hrs 2 mins
Moonrise: 8:19 AM
Moon Transit: 4:29 PM
Moonset: 12:45 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:40 AM - 9:10 AM
3:59 PM - 6:29 PM

Minor Periods

7:49 AM - 9:19 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
54.9°F
43°F
49.5°F
54%
0 in
0%
0%
17 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 1.47 μg/m3
PM10: 1.58 μg/m3
Carbon Monoxide: 124.38 μg/m3
Nitrogen Dioxide: 1.14 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 83.36 μg/m3

Astronomical

Sunrise: 4:53 AM
Sun Transit: 12:24 AM
Sunset: 7:57 PM
Daylight: 15 hrs 4 mins
Moonrise: 9:39 AM
Moon Transit: 5:25 PM
Moonset: 12:26 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
4:55 PM - 7:25 PM

Minor Periods

9:09 AM - 10:39 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
56.8°F
40.9°F
49.3°F
59%
0 in
0%
0%
11.9 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.69 μg/m3
PM10: 4.32 μg/m3
Carbon Monoxide: 125.86 μg/m3
Nitrogen Dioxide: 1.37 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 80.2 μg/m3

Astronomical

Sunrise: 4:52 AM
Sun Transit: 12:24 AM
Sunset: 7:58 PM
Daylight: 15 hrs 6 mins
Moonrise: 10:58 AM
Moon Transit: 6:16 PM
Moonset: 12:56 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
5:46 PM - 8:16 PM

Minor Periods

10:28 AM - 11:58 AM
12:26 AM - 1:56 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Sunny
55.1°F
42.1°F
47.8°F
58%
0 in
0%
0%
15 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 4.84 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 130.67 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 70.69 μg/m3

Astronomical

Sunrise: 4:51 AM
Sun Transit: 12:24 AM
Sunset: 7:59 PM
Daylight: 15 hrs 8 mins
Moonrise: 12:13 AM
Moon Transit: 7:03 PM
Moonset: 1:19 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

9:20 AM - 11:50 AM
6:33 PM - 9:03 PM

Minor Periods

11:43 AM - 1:13 PM
12:49 AM - 2:19 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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