Water Temperature of the Gulf of Maine in Portland, ME

Current Water Temperature

33.8°F

Measurement Time: Saturday, February 21, 2026, 7:06 PM EST

Today's Tides

 High: February 21, 1:10 AM, 10.2 ft
Low: February 21, 7:23 AM, -0.6 ft
 High: February 21, 1:33 PM, 9.7 ft
Low: February 21, 7:40 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

27°F
Clear
Clear
20°F
30.8°F
60%
NNE 6.3 mph
12.8 mph
23.3°F
21.9°F
0 in
25%
9 mi
1018 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Sat
H: 35°F
L: 21°F
Partly Cloudy
Sun
H: 34°F
L: 24°F
Moderate or heavy snow showers
Mon
H: 29°F
L: 23°F
Moderate or heavy snow showers
Tue
H: 33°F
L: 16°F
Heavy snow
Wed
H: 30°F
L: 14°F

Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 7.65 μg/m3
Carbon Monoxide: 183.85 μg/m3
Nitrogen Dioxide: 14.85 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 11:54 AM
Sunset: 5:19 PM
Daylight: 10 hrs 48 mins
Moonrise: 8:09 AM
Moon Transit: 3:12 PM
Moonset: 10:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
2:42 PM - 5:12 PM

Minor Periods

10:02 PM - 11:32 PM
7:39 AM - 9:09 AM

Action Rating: 3 out of 5

Winter Storm Watch issued February 21 at 12:39PM EST until February 24 at 1:00AM EST by NWS Gray ME

Effective: Sat February 21, 2026, 12:39 PM
Expires: Sun February 22, 2026, 2:00 AM

* WHAT...Heavy snow and blowing snow possible. Total snow accumulations greater than 6 inches possible. Winds could gust as high as 45 mph. * WHERE...Portions of southwest Maine and central and southern New Hampshire. * WHEN...From Sunday evening through late Monday night. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Periods of moderate and heavy snow will combine with low visibility to create dangerous driving conditions. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds will blow around unsecured objects and break some tree limbs. The power outage threat is limited.

Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.


Winter Storm Watch issued February 21 at 12:39PM EST until February 24 at 7:00AM EST by NWS Gray ME

Effective: Sat February 21, 2026, 12:39 PM
Expires: Sun February 22, 2026, 2:00 AM

* WHAT...Heavy snow possible. Total snow accumulations greater than 6 inches possible. Winds could gust as high as 40 mph. * WHERE...Coastal Waldo, Interior Waldo, Knox, Lincoln, and Sagadahoc Counties. * WHEN...From late Sunday night through Tuesday morning. * IMPACTS...Visibilities may drop below 1/4 mile du00e to falling and blowing snow. Periods of moderate and heavy snow will combine with low visibility to create dangerous driving conditions. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds will blow around unsecured objects and break some tree limbs. The power outage threat is limited.

Monitor the latest forecasts for updates on this situation. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.


Saturday, February 21, 2026

Weather Forecast

Moderate or heavy snow showers
34.9°F
20.8°F
27.5°F
75%
0.13 in
65%
34%
15.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.57 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 174.29 μg/m3
Nitrogen Dioxide: 5.47 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 82.36 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 11:54 AM
Sunset: 5:19 PM
Daylight: 10 hrs 48 mins
Moonrise: 8:09 AM
Moon Transit: 3:12 PM
Moonset: 10:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
2:42 PM - 5:12 PM

Minor Periods

10:02 PM - 11:32 PM
7:39 AM - 9:09 AM

Action Rating: 3 out of 5

Sunday, February 22, 2026

Weather Forecast

Partly Cloudy
34°F
24.4°F
29.2°F
77%
0 in
0%
3%
18.8 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.53 μg/m3
PM10: 5.91 μg/m3
Carbon Monoxide: 174.21 μg/m3
Nitrogen Dioxide: 9.83 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 71.2 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 11:54 AM
Sunset: 5:20 PM
Daylight: 10 hrs 51 mins
Moonrise: 8:35 AM
Moon Transit: 4:04 PM
Moonset: 11:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
3:34 PM - 6:04 PM

Minor Periods

12:00 AM - 12:00 AM
8:05 AM - 9:35 AM

Action Rating: 2 out of 5

Monday, February 23, 2026

Weather Forecast

Moderate or heavy snow showers
29.1°F
23.4°F
27.1°F
86%
1.72 in
88%
37%
34.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 4.34 μg/m3
Carbon Monoxide: 163.89 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 82.2 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 11:54 AM
Sunset: 5:22 PM
Daylight: 10 hrs 54 mins
Moonrise: 9:06 AM
Moon Transit: 5:00 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
4:30 PM - 7:00 PM

Minor Periods

8:36 AM - 10:06 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, February 24, 2026

Weather Forecast

Moderate or heavy snow showers
32.7°F
15.6°F
25.5°F
69%
0.09 in
60%
15%
20.8 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.76 μg/m3
PM10: 3.11 μg/m3
Carbon Monoxide: 175.1 μg/m3
Nitrogen Dioxide: 3.04 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 85.28 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 11:54 AM
Sunset: 5:23 PM
Daylight: 10 hrs 57 mins
Moonrise: 9:47 AM
Moon Transit: 6:01 PM
Moonset: 1:09 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
5:31 PM - 8:01 PM

Minor Periods

9:17 AM - 10:47 AM
12:39 AM - 2:09 AM

Action Rating: 3 out of 5

Wednesday, February 25, 2026

Weather Forecast

Heavy snow
30.4°F
14.1°F
21.5°F
91%
0.32 in
89%
34%
12.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.56 μg/m3
PM10: 7 μg/m3
Carbon Monoxide: 215.42 μg/m3
Nitrogen Dioxide: 9.37 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 68.08 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 11:53 AM
Sunset: 5:24 PM
Daylight: 11 hrs mins
Moonrise: 10:40 AM
Moon Transit: 7:03 PM
Moonset: 2:23 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

8:47 AM - 11:17 AM
6:33 PM - 9:03 PM

Minor Periods

10:10 AM - 11:40 AM
1:53 AM - 3:23 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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