Water Temperature of the Gulf of Maine in Portland, ME

Current Water Temperature

55.8°F

Measurement Time: Tuesday, June 9, 2026, 5:48 AM EDT

Today's Tides

 High: June 9, 5:59 AM, 8.8 ft
Low: June 9, 12:12 PM, 0.7 ft
 High: June 9, 6:34 PM, 9.4 ft

Temperature Locations

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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

53.1°F
Clear
Clear
52.5°F
57.2°F
89%
WNW 3.8 mph
8 mph
55.6°F
48.5°F
0 in
25%
9 mi
1020 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 83°F
L: 57°F
Moderate rain
Wed
H: 77°F
L: 61°F
Patchy rain nearby
Thu
H: 70°F
L: 58°F
Partly Cloudy
Fri
H: 61°F
L: 56°F
Patchy rain nearby
Sat
H: 64°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 4.1 μg/m3
PM10: 4.2 μg/m3
Carbon Monoxide: 149 μg/m3
Nitrogen Dioxide: 6.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:40 AM
Sunset: 8:22 PM
Daylight: 15 hrs 22 mins
Moonrise: 1:16 AM
Moon Transit: 6:27 AM
Moonset: 2:00 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
5:57 AM - 8:27 AM

Minor Periods

1:30 PM - 3:00 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Tuesday, June 9, 2026

Weather Forecast

Sunny
82.9°F
56.5°F
67.4°F
62%
0 in
1%
0%
8.7 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 5.92 μg/m3
PM10: 6.65 μg/m3
Carbon Monoxide: 158.46 μg/m3
Nitrogen Dioxide: 5.34 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 72.96 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:40 AM
Sunset: 8:22 PM
Daylight: 15 hrs 22 mins
Moonrise: 1:16 AM
Moon Transit: 6:27 AM
Moonset: 2:00 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
5:57 AM - 8:27 AM

Minor Periods

1:30 PM - 3:00 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Wednesday, June 10, 2026

Weather Forecast

Moderate rain
76.8°F
60.9°F
66.1°F
82%
0.31 in
81%
0%
17.7 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 12.12 μg/m3
PM10: 14.28 μg/m3
Carbon Monoxide: 166.21 μg/m3
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 91.79 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:40 AM
Sunset: 8:22 PM
Daylight: 15 hrs 23 mins
Moonrise: 1:36 AM
Moon Transit: 8:18 AM
Moonset: 3:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

7:48 AM - 10:18 AM
12:00 AM - 12:00 AM

Minor Periods

2:44 PM - 4:14 PM
1:06 AM - 2:36 AM

Action Rating: 2 out of 5

Thursday, June 11, 2026

Weather Forecast

Patchy rain nearby
69.5°F
58.4°F
62.6°F
91%
0.1 in
91%
0%
10.5 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 8.21 μg/m3
Carbon Monoxide: 161.83 μg/m3
Nitrogen Dioxide: 4.74 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 88.13 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:40 AM
Sunset: 8:23 PM
Daylight: 15 hrs 24 mins
Moonrise: 2:00 AM
Moon Transit: 9:08 AM
Moonset: 4:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

8:38 AM - 11:08 AM
12:00 AM - 12:00 AM

Minor Periods

4:03 PM - 5:33 PM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Friday, June 12, 2026

Weather Forecast

Partly Cloudy
61°F
55.8°F
58.9°F
88%
0 in
23%
0%
8.3 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 7.58 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 126.97 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 89.17 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:40 AM
Sunset: 8:23 PM
Daylight: 15 hrs 24 mins
Moonrise: 2:28 AM
Moon Transit: 10:03 AM
Moonset: 5:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:33 AM - 12:03 AM

Minor Periods

5:25 PM - 6:55 PM
1:58 AM - 3:28 AM

Action Rating: 2 out of 5

Saturday, June 13, 2026

Weather Forecast

Patchy rain nearby
63.6°F
56.4°F
58.9°F
93%
0.03 in
88%
0%
12.5 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 7.74 μg/m3
PM10: 10.24 μg/m3
Carbon Monoxide: 239.11 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 93.78 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:41 AM
Sunset: 8:24 PM
Daylight: 15 hrs 25 mins
Moonrise: 3:04 AM
Moon Transit: 11:05 AM
Moonset: 7:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:48 AM - 3:18 AM
10:35 AM - 1:05 PM

Minor Periods

6:48 PM - 8:18 PM
2:34 AM - 4:04 AM

Action Rating: 3 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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