Water Temperature of the Gulf of Maine in Portland, ME

Current Water Temperature

55.9°F

Measurement Time: Wednesday, October 14, 2026, 4:24 AM EDT

Today's Tides

 High: October 14, 2:01 AM, 8.9 ft
Low: October 14, 7:53 AM, 1.2 ft
 High: October 14, 2:03 PM, 9.7 ft
Low: October 14, 8:29 PM, 0.4 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

49.4°F
Light drizzle
Conditions: Light drizzle
Humidity: 95%
Feels Like: 46.6°F
Wind: NW 6.5 mph
Wind Gusts: 7.9 mph
Pressure: 29.76 in
Precipitation: 0.01 in
Cloud Cover: 100%
Visibility: 1 mi
UV Index: 0

Weather Forecast

Overcast
Wed
H: 66°F
L: 49°F
Sunny
Thu
H: 57°F
L: 49°F
Overcast
Fri
H: 57°F
L: 50°F

Air Quality

PM2.5: 1.7 μg/m3
PM10: 1.8 μg/m3
Carbon Monoxide: 158 μg/m3
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:26 AM
Sunset: 5:59 PM
Daylight: 11 hrs 5 mins
Moonrise: 11:21 AM
Moon Transit: 3:34 PM
Moonset: 7:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.6%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
3:04 PM - 5:34 PM

Minor Periods

7:16 PM - 8:46 PM
10:51 AM - 12:21 AM

Action Rating: 3 out of 5

Wednesday, October 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 56.3°F
Average Humidity: 85%
Chance of Rain: 73%
Wind: 13.4 mph
UV Index: 2.9

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: 6:54 AM
Sun Transit: 12:26 AM
Sunset: 5:59 PM
Daylight: 11 hrs 5 mins
Moonrise: 11:21 AM
Moon Transit: 3:34 PM
Moonset: 7:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.6%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
3:04 PM - 5:34 PM

Minor Periods

7:16 PM - 8:46 PM
10:51 AM - 12:21 AM

Action Rating: 3 out of 5

Thursday, October 15, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 53.1°F
Average Humidity: 57%
Chance of Rain: 17%
Wind: 21.3 mph
UV Index: 3.8

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: 6:55 AM
Sun Transit: 12:26 AM
Sunset: 5:57 PM
Daylight: 11 hrs 2 mins
Moonrise: 12:20 AM
Moon Transit: 4:26 PM
Moonset: 8:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 17.2%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
3:56 PM - 6:26 PM

Minor Periods

8:03 PM - 9:33 PM
11:50 AM - 1:20 PM

Action Rating: 3 out of 5

Friday, October 16, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 53°F
Average Humidity: 82%
Chance of Rain: 89%
Wind: 22.8 mph
UV Index: 0.4

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: 6:57 AM
Sun Transit: 12:26 AM
Sunset: 5:56 PM
Daylight: 10 hrs 59 mins
Moonrise: 1:10 PM
Moon Transit: 5:17 PM
Moonset: 9:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 26.6%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
4:47 PM - 7:17 PM

Minor Periods

8:57 PM - 10:27 PM
12:40 AM - 2:10 PM

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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