Water Temperature of the Gulf of Maine in Portland, ME
Current Water Temperature
62.2°F
Measurement Time: Thursday, July 10, 2025, 6:54 PM EDT
Today's Tides
Low: July 10, 5:39 AM, 0.39 ft
High: July 10, 11:53 AM, 8.26 ft
Low: July 10, 5:33 PM, 1.49 ft
High: July 10, 11:49 PM, 9.93 ft
Temperature Locations
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Local Points of Interest
Fore River; Portland Harbor; Port of Portland; Bug Light Park; Fort Allen ParkSponsored Content
Gulf of Maine
Station Name: Portland
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 26 feet / 8 meters
Sensor Depth: -8.1 feet / -2.5 meters
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 (93.0 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 (99.0 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
66°F

Conditions: Partly cloudy
Humidity: 87%
Feels Like: 66°F
Wind: ESE 5.4 mph
Wind Gusts: 7.7 mph
Humidity: 87%
Feels Like: 66°F
Wind: ESE 5.4 mph
Wind Gusts: 7.7 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0.2
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0.2
Five Day Weather Forecast

Thu
H: 61°F
L: 60°F

Fri
H: 64°F
L: 60°F

Sat
H: 63°F
L: 62°F

Sun
H: 71°F
L: 61°F

Mon
H: 76°F
L: 65°F
Air Quality
AQI:
1 - Good
PM2.5:
3.52 μg/m3
PM10:
4.63 μg/m3
Carbon Monoxide: 266.4 μg/m3
Nitrogen Dioxide: 7.96 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 57 μg/m3
Nitrogen Dioxide: 7.96 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 57 μg/m3
Astronomical
Sunrise: 5:09 AM
Sun Transit: 12:46 AM
Sunset: 8:23 PM
Daylight: 15 hrs 14 mins
Sun Transit: 12:46 AM
Sunset: 8:23 PM
Daylight: 15 hrs 14 mins
Moonrise: 8:51 PM
Moon Transit: 12:13 AM
Moonset: 4:22 AM
Moon Phase: Full
Moon Illumination: 99.8%
Moon Transit: 12:13 AM
Moonset: 4:22 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:54 PM - 5:24 PM
Minor Periods
8:21 PM - 9:51 PM3:52 AM - 5:22 AM
Action Rating: 5 out of 5
Thursday, July 10, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 60.6°F
Average Humidity: 96%
Average Temperature: 60.6°F
Average Humidity: 96%
Chance of Rain: 69%
Wind: 8.1 mph
UV Index: 1
Wind: 8.1 mph
UV Index: 1
Air Quality
AQI:
1 - Good
PM2.5:
10.2 μg/m3
PM10:
12.28 μg/m3
Carbon Monoxide: 306.8 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 73 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 73 μg/m3
Astronomical
Sunrise: 5:09 AM
Sun Transit: 12:46 AM
Sunset: 8:23 PM
Daylight: 15 hrs 14 mins
Sun Transit: 12:46 AM
Sunset: 8:23 PM
Daylight: 15 hrs 14 mins
Moonrise: 8:51 PM
Moon Transit: 12:13 AM
Moonset: 4:22 AM
Moon Phase: Full
Moon Illumination: 99.8%
Moon Transit: 12:13 AM
Moonset: 4:22 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:54 PM - 5:24 PM
Minor Periods
8:21 PM - 9:51 PM3:52 AM - 5:22 AM
Action Rating: 5 out of 5
Friday, July 11, 2025
Weather Forecast
Conditions: Mist
Average Temperature: 61.5°F
Average Humidity: 95%
Average Temperature: 61.5°F
Average Humidity: 95%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 1.7
Wind: 10.1 mph
UV Index: 1.7
Air Quality
AQI:
1 - Good
PM2.5:
7.06 μg/m3
PM10:
8.07 μg/m3
Carbon Monoxide: 270.62 μg/m3
Nitrogen Dioxide: 6.99 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 81 μg/m3
Nitrogen Dioxide: 6.99 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 81 μg/m3
Astronomical
Sunrise: 5:10 AM
Sun Transit: 12:46 AM
Sunset: 8:23 PM
Daylight: 15 hrs 13 mins
Sun Transit: 12:46 AM
Sunset: 8:23 PM
Daylight: 15 hrs 13 mins
Moonrise: 9:25 PM
Moon Transit: 1:07 AM
Moonset: 5:30 AM
Moon Phase: Full
Moon Illumination: 97.4%
Moon Transit: 1:07 AM
Moonset: 5:30 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
12:37 AM - 3:07 AM3:47 PM - 6:17 PM
Minor Periods
8:55 PM - 10:25 PM5:00 AM - 6:30 AM
Action Rating: 4 out of 5
Saturday, July 12, 2025
Weather Forecast
Conditions: Mist
Average Temperature: 62.2°F
Average Humidity: 97%
Average Temperature: 62.2°F
Average Humidity: 97%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 2.2
Wind: 9.2 mph
UV Index: 2.2
Air Quality
AQI:
2 - Moderate
PM2.5:
18.78 μg/m3
PM10:
20.87 μg/m3
Carbon Monoxide: 357.12 μg/m3
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 117.72 μg/m3
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 117.72 μg/m3
Astronomical
Sunrise: 5:11 AM
Sun Transit: 12:46 AM
Sunset: 8:22 PM
Daylight: 15 hrs 11 mins
Sun Transit: 12:46 AM
Sunset: 8:22 PM
Daylight: 15 hrs 11 mins
Moonrise: 9:54 PM
Moon Transit: 2:00 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 92.7%
Moon Transit: 2:00 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 92.7%
Best Times for Fishing or Hunting
Major Periods
1:30 AM - 4:00 AM4:39 PM - 7:09 PM
Minor Periods
9:24 PM - 10:54 PM6:13 AM - 7:43 AM
Action Rating: 3 out of 5
Sunday, July 13, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 63.6°F
Average Humidity: 93%
Average Temperature: 63.6°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 2.4
Wind: 12.3 mph
UV Index: 2.4
Air Quality
AQI:
1 - Good
PM2.5:
13.76 μg/m3
PM10:
17.64 μg/m3
Carbon Monoxide: 312.13 μg/m3
Nitrogen Dioxide: 5.34 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 92.28 μg/m3
Nitrogen Dioxide: 5.34 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 92.28 μg/m3
Astronomical
Sunrise: 5:12 AM
Sun Transit: 12:46 AM
Sunset: 8:22 PM
Daylight: 15 hrs 10 mins
Sun Transit: 12:46 AM
Sunset: 8:22 PM
Daylight: 15 hrs 10 mins
Moonrise: 10:18 PM
Moon Transit: 2:50 AM
Moonset: 7:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%
Moon Transit: 2:50 AM
Moonset: 7:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
2:20 AM - 4:50 AM5:27 PM - 7:57 PM
Minor Periods
9:48 PM - 11:18 PM7:27 AM - 8:57 AM
Action Rating: 4 out of 5
Monday, July 14, 2025
Weather Forecast
Conditions: Moderate rain
Average Temperature: 69.2°F
Average Humidity: 92%
Average Temperature: 69.2°F
Average Humidity: 92%
Chance of Rain: 89%
Wind: 11 mph
UV Index: 0.3
Wind: 11 mph
UV Index: 0.3
Air Quality
AQI:
1 - Good
PM2.5:
10.73 μg/m3
PM10:
13.53 μg/m3
Carbon Monoxide: 344.81 μg/m3
Nitrogen Dioxide: 9.72 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 70.15 μg/m3
Nitrogen Dioxide: 9.72 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 70.15 μg/m3
Astronomical
Sunrise: 5:13 AM
Sun Transit: 12:46 AM
Sunset: 8:21 PM
Daylight: 15 hrs 8 mins
Sun Transit: 12:46 AM
Sunset: 8:21 PM
Daylight: 15 hrs 8 mins
Moonrise: 10:39 PM
Moon Transit: 3:38 AM
Moonset: 9:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%
Moon Transit: 3:38 AM
Moonset: 9:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
3:08 AM - 5:38 AM6:14 PM - 8:44 PM
Minor Periods
10:09 PM - 11:39 PM8:40 AM - 10:10 AM
Action Rating: 4 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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