Water Temperature of the Gulf of Maine in Portland, ME

Current Water Temperature

63.5°F

Measurement Time: Tuesday, September 8, 2026, 4:24 PM EDT

Today's Tides

Low: September 8, 3:03 AM, 0.0 ft
 High: September 8, 9:17 AM, 8.9 ft
Low: September 8, 3:14 PM, 0.6 ft
 High: September 8, 9:34 PM, 10.4 ft

Temperature Locations

View Nearby Locations     View All Maine Locations     View Locations Near Me

Local Points of Interest

Fore River; Portland Harbor; Port of Portland; Bug Light Park; Fort Allen Park

Gulf of Maine

Station Name: Portland
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 26 feet

Sensor Depth: -8 feet

Nearest Address:
98 Ocean Gateway Pier
Portland, ME 04101
Cumberland County

GPS Coordinates: 43.65806, -70.24417

Nearby Water Temperatures

Gulf of Maine, Cape Elizabeth, ME (10.6 mi)
Gulf of Maine, Monhegan, ME (44.6 mi)
Piscataqua River, Kittery, ME (47.1 mi)
Sheepscot River, Whitefield, ME (50.7 mi)
Gulf of Maine, Gloucester, NH (59.4 mi)
Wild River, Gilead, ME (62.4 mi)
Ducktrap River, Lincolnville, ME (74.9 mi)
Atlantic Ocean, Scituate, MA (93 mi)
Shawsheen River, Bedford, MA (97.3 mi)
Cambridge Reservoir Tributary 2, Lexington, MA (98.8 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (98.9 mi)
Hobbs Brook, Lincoln, MA (99 mi)
Fresh Pond, Cambridge, MA (99.1 mi)
Cambridge Reservoir Tributary 3, Waltham, MA (99.7 mi)
Cambridge Reservoir, Lincoln, MA (99.9 mi)

Weather for Portland, Maine

Current Weather

71°F
Sunny
Sunny
66%
W 5 mph
59°F

Weather Forecast

Sunny
This Afternoon
73°F - Sunny
Partly Cloudy
Tonight
58°F - Partly Cloudy
Mostly Cloudy
Wednesday
68°F - Mostly Cloudy
Rain Showers Likely
Wednesday Night
65°F - Rain Showers Likely
Mostly Sunny
Thursday
80°F - Mostly Sunny
Partly Cloudy
Thursday Night
60°F - Partly Cloudy
Sunny
Friday
69°F - Sunny
Clear
Friday Night
55°F - Clear
Sunny
Saturday
66°F - Sunny
Mostly Clear
Saturday Night
59°F - Mostly Clear
Mostly Sunny
Sunday
71°F - Mostly Sunny
Slight Chance Rain Showers
Sunday Night
62°F - Slight Chance Rain Showers
Mostly Sunny
Monday
71°F - Mostly Sunny
Partly Cloudy
Monday Night
57°F - Partly Cloudy

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:38 AM
Sunset: 7:04 PM
Daylight: 12 hrs 51 mins
Moonrise: 2:56 AM
Moon Transit: 10:33 AM
Moonset: 5:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
10:03 AM - 12:33 AM

Minor Periods

5:25 PM - 6:55 PM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:38 AM
Sunset: 7:04 PM
Daylight: 12 hrs 51 mins
Moonrise: 2:56 AM
Moon Transit: 10:33 AM
Moonset: 5:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
10:03 AM - 12:33 AM

Minor Periods

5:25 PM - 6:55 PM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:38 AM
Sunset: 7:04 PM
Daylight: 12 hrs 51 mins
Moonrise: 2:56 AM
Moon Transit: 10:33 AM
Moonset: 5:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
10:03 AM - 12:33 AM

Minor Periods

5:25 PM - 6:55 PM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 12:38 AM
Sunset: 7:02 PM
Daylight: 12 hrs 48 mins
Moonrise: 4:15 AM
Moon Transit: 11:25 AM
Moonset: 6:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

1:13 AM - 3:43 AM
10:55 AM - 1:25 PM

Minor Periods

5:50 PM - 7:20 PM
3:45 AM - 5:15 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 12:38 AM
Sunset: 7:02 PM
Daylight: 12 hrs 48 mins
Moonrise: 4:15 AM
Moon Transit: 11:25 AM
Moonset: 6:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

1:13 AM - 3:43 AM
10:55 AM - 1:25 PM

Minor Periods

5:50 PM - 7:20 PM
3:45 AM - 5:15 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:37 AM
Sunset: 7:00 PM
Daylight: 12 hrs 45 mins
Moonrise: 5:32 AM
Moon Transit: 12:14 AM
Moonset: 6:42 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
11:44 AM - 2:14 PM

Minor Periods

6:12 PM - 7:42 PM
5:02 AM - 6:32 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:37 AM
Sunset: 7:00 PM
Daylight: 12 hrs 45 mins
Moonrise: 5:32 AM
Moon Transit: 12:14 AM
Moonset: 6:42 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
11:44 AM - 2:14 PM

Minor Periods

6:12 PM - 7:42 PM
5:02 AM - 6:32 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 12:37 AM
Sunset: 6:58 PM
Daylight: 12 hrs 42 mins
Moonrise: 6:46 AM
Moon Transit: 1:00 PM
Moonset: 7:02 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
12:30 AM - 3:00 PM

Minor Periods

6:32 PM - 8:02 PM
6:16 AM - 7:46 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 12:37 AM
Sunset: 6:58 PM
Daylight: 12 hrs 42 mins
Moonrise: 6:46 AM
Moon Transit: 1:00 PM
Moonset: 7:02 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
12:30 AM - 3:00 PM

Minor Periods

6:32 PM - 8:02 PM
6:16 AM - 7:46 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 12:37 AM
Sunset: 6:57 PM
Daylight: 12 hrs 39 mins
Moonrise: 7:57 AM
Moon Transit: 1:45 PM
Moonset: 7:22 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:35 AM - 6:05 AM
1:15 PM - 3:45 PM

Minor Periods

6:52 PM - 8:22 PM
7:27 AM - 8:57 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 12:37 AM
Sunset: 6:57 PM
Daylight: 12 hrs 39 mins
Moonrise: 7:57 AM
Moon Transit: 1:45 PM
Moonset: 7:22 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:35 AM - 6:05 AM
1:15 PM - 3:45 PM

Minor Periods

6:52 PM - 8:22 PM
7:27 AM - 8:57 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 12:36 AM
Sunset: 6:55 PM
Daylight: 12 hrs 37 mins
Moonrise: 9:07 AM
Moon Transit: 2:30 PM
Moonset: 7:43 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:20 AM - 6:50 AM
2:00 PM - 4:30 PM

Minor Periods

7:13 PM - 8:43 PM
8:37 AM - 10:07 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 12:36 AM
Sunset: 6:55 PM
Daylight: 12 hrs 37 mins
Moonrise: 9:07 AM
Moon Transit: 2:30 PM
Moonset: 7:43 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:20 AM - 6:50 AM
2:00 PM - 4:30 PM

Minor Periods

7:13 PM - 8:43 PM
8:37 AM - 10:07 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 12:36 AM
Sunset: 6:53 PM
Daylight: 12 hrs 34 mins
Moonrise: 10:17 AM
Moon Transit: 3:16 PM
Moonset: 8:07 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

5:06 AM - 7:36 AM
2:46 PM - 5:16 PM

Minor Periods

7:37 PM - 9:07 PM
9:47 AM - 11:17 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 12:36 AM
Sunset: 6:53 PM
Daylight: 12 hrs 34 mins
Moonrise: 10:17 AM
Moon Transit: 3:16 PM
Moonset: 8:07 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

5:06 AM - 7:36 AM
2:46 PM - 5:16 PM

Minor Periods

7:37 PM - 9:07 PM
9:47 AM - 11:17 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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