Water Temperature of the Gulf of Maine in Portland, ME

Current Water Temperature

38.3°F

Measurement Time: Saturday, March 28, 2026, 12:18 AM EDT

Today's Tides

Low: March 28, 1:34 AM, 1.2 ft
 High: March 28, 7:56 AM, 9.4 ft
Low: March 28, 2:27 PM, 0.3 ft
 High: March 28, 8:45 PM, 8.7 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

27°F
Clear
Clear
15.9°F
28.2°F
40%
NNE 13.2 mph
16.3 mph
16.1°F
7°F
0 in
0%
9 mi
1022 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 33°F
L: 22°F
Sunny
Sun
H: 42°F
L: 28°F
Partly Cloudy
Mon
H: 54°F
L: 37°F
Patchy rain nearby
Tue
H: 46°F
L: 34°F
Patchy rain nearby
Wed
H: 64°F
L: 41°F

Air Quality

PM2.5: 3.95 μg/m3
PM10: 4.45 μg/m3
Carbon Monoxide: 197.85 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:00 AM
Sunset: 7:03 PM
Daylight: 12 hrs 33 mins
Moonrise: 2:21 PM
Moon Transit: 9:47 PM
Moonset: 4:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

11:35 AM - 2:05 PM
9:17 PM - 11:47 PM

Minor Periods

1:51 PM - 3:21 PM
4:03 AM - 5:33 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Sunny
32.7°F
22.3°F
28.4°F
44%
0 in
0%
0%
13.2 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.73 μg/m3
PM10: 4.33 μg/m3
Carbon Monoxide: 193.77 μg/m3
Nitrogen Dioxide: 3.79 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 90.56 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:00 AM
Sunset: 7:03 PM
Daylight: 12 hrs 33 mins
Moonrise: 2:21 PM
Moon Transit: 9:47 PM
Moonset: 4:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

11:35 AM - 2:05 PM
9:17 PM - 11:47 PM

Minor Periods

1:51 PM - 3:21 PM
4:03 AM - 5:33 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Sunny
41.9°F
27.5°F
34.9°F
57%
0 in
0%
0%
17 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 5.8 μg/m3
PM10: 7.01 μg/m3
Carbon Monoxide: 209.85 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 83.8 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 12 hrs 36 mins
Moonrise: 3:34 PM
Moon Transit: 10:34 PM
Moonset: 4:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 PM
12:00 AM - 12:00 AM

Minor Periods

3:04 PM - 4:34 PM
4:29 AM - 5:59 AM

Action Rating: 3 out of 5

Monday, March 30, 2026

Weather Forecast

Partly Cloudy
54.1°F
36.9°F
42.7°F
77%
0 in
0%
0%
16.1 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 10.39 μg/m3
PM10: 11.5 μg/m3
Carbon Monoxide: 253.57 μg/m3
Nitrogen Dioxide: 8.63 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 84.08 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:00 AM
Sunset: 7:05 PM
Daylight: 12 hrs 39 mins
Moonrise: 4:46 PM
Moon Transit: 11:19 PM
Moonset: 5:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

1:10 PM - 3:40 PM
12:00 AM - 12:00 AM

Minor Periods

4:16 PM - 5:46 PM
4:50 AM - 6:20 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Patchy rain nearby
45.8°F
34.3°F
42.8°F
96%
0.18 in
84%
0%
10.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 15.15 μg/m3
PM10: 16.41 μg/m3
Carbon Monoxide: 242.31 μg/m3
Nitrogen Dioxide: 10.78 μg/m3
Sulphur Dioxide: 3.16 μg/m3
Ozone: 71.38 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 12 hrs 42 mins
Moonrise: 5:54 PM
Moon Transit: 12:00 AM
Moonset: 5:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:53 PM - 4:23 PM

Minor Periods

5:24 PM - 6:54 PM
5:09 AM - 6:39 AM

Action Rating: 4 out of 5

Wednesday, April 1, 2026

Weather Forecast

Patchy rain nearby
64.4°F
41.3°F
53.3°F
87%
0.15 in
84%
0%
17 mph
0.1


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: 6:23 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 12 hrs 45 mins
Moonrise: 7:01 PM
Moon Transit: 12:02 AM
Moonset: 5:58 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:35 PM - 5:05 PM

Minor Periods

6:31 PM - 8:01 PM
5:28 AM - 6:58 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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