Water Temperature of Dutch Harbor in Unalaska, AK

Current Water Temperature

48.2°F

Measurement Time: Thursday, September 18, 2025, 1:06 PM AKDT

Today's Tides

High: September 18, 2:48 AM, 3.43 ft
 Low: September 18, 10:08 AM, -0.48 ft
High: September 18, 5:24 PM, 3.05 ft
 Low: September 18, 10:32 PM, 1.98 ft

Temperature Locations

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Local Points of Interest

Iliuliuk Bay; Iliuliuk Harbor; Amaknak Island; Captains Bay

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Dutch Harbor

Station Name: Unalaska
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 10 feet / 3 meters

Sensor Depth: -14.5 feet / -4.4 meters

Nearest Address:
599 W Broadway Ave
Unalaska, AK 99685
Aleutians West (CA) County

GPS Coordinates: 53.879194, -166.540306

Nearby Water Temperatures

King Cove, King Cove, AK (187.8 mi)
Popof Straight, Sand Point, AK (261.5 mi)
Village Cove, St. Paul, AK (267.8 mi)
Port Moller, Port Moller, AK (277.9 mi)

Weather for Unalaska, Alaska

Current Weather

53.1°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 89%
Feels Like: 53.6°F
Wind: NNW 2.5 mph
Wind Gusts: 3.2 mph
Pressure: 29.3 in
Precipitation: 0.02 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0.6

Five Day Weather Forecast

Moderate rain
Thu
H: 51°F
L: 49°F
Patchy rain nearby
Fri
H: 50°F
L: 48°F
Patchy rain nearby
Sat
H: 49°F
L: 45°F
Patchy rain nearby
Sun
H: 48°F
L: 45°F
Patchy rain nearby
Mon
H: 50°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 6.38 μg/m3
PM10: 9.9 μg/m3
Carbon Monoxide: 216.49 μg/m3
Nitrogen Dioxide: 0.67 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 8:46 AM
Sun Transit: 3:00 PM
Sunset: 9:13 PM
Daylight: 12 hrs 27 mins
Moonrise: 4:52 AM
Moon Transit: 12:53 AM
Moonset: 8:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

2:14 PM - 4:44 PM
12:23 AM - 2:53 PM

Minor Periods

8:02 PM - 9:32 PM
4:22 AM - 5:52 AM

Action Rating: 3 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 49.5°F
Average Humidity: 91%
Chance of Rain: 95%
Wind: 8.1 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 7.65 μg/m3
PM10: 11.94 μg/m3
Carbon Monoxide: 219.24 μg/m3
Nitrogen Dioxide: 0.57 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 74.72 μg/m3

Astronomical

Sunrise: 8:46 AM
Sun Transit: 3:00 PM
Sunset: 9:13 PM
Daylight: 12 hrs 27 mins
Moonrise: 4:52 AM
Moon Transit: 12:53 AM
Moonset: 8:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

2:14 PM - 4:44 PM
12:23 AM - 2:53 PM

Minor Periods

8:02 PM - 9:32 PM
4:22 AM - 5:52 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 48.7°F
Average Humidity: 89%
Chance of Rain: 91%
Wind: 14.1 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 8.83 μg/m3
PM10: 14.22 μg/m3
Carbon Monoxide: 213 μg/m3
Nitrogen Dioxide: 0.73 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 68.64 μg/m3

Astronomical

Sunrise: 8:48 AM
Sun Transit: 3:00 PM
Sunset: 9:11 PM
Daylight: 12 hrs 23 mins
Moonrise: 6:15 AM
Moon Transit: 1:38 PM
Moonset: 8:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

2:59 PM - 5:29 PM
1:08 PM - 3:38 PM

Minor Periods

8:12 PM - 9:42 PM
5:45 AM - 7:15 AM

Action Rating: 2 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 47.4°F
Average Humidity: 78%
Chance of Rain: 89%
Wind: 13.2 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 11.1 μg/m3
PM10: 18.35 μg/m3
Carbon Monoxide: 208.84 μg/m3
Nitrogen Dioxide: 0.55 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 59.76 μg/m3

Astronomical

Sunrise: 8:50 AM
Sun Transit: 3:00 PM
Sunset: 9:08 PM
Daylight: 12 hrs 19 mins
Moonrise: 7:35 AM
Moon Transit: 2:21 PM
Moonset: 8:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

3:42 PM - 6:12 PM
1:51 PM - 4:21 PM

Minor Periods

8:19 PM - 9:49 PM
7:05 AM - 8:35 AM

Action Rating: 3 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 46.6°F
Average Humidity: 79%
Chance of Rain: 87%
Wind: 26.2 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 12.74 μg/m3
PM10: 21.68 μg/m3
Carbon Monoxide: 210.65 μg/m3
Nitrogen Dioxide: 0.38 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 68.52 μg/m3

Astronomical

Sunrise: 8:51 AM
Sun Transit: 2:58 PM
Sunset: 9:06 PM
Daylight: 12 hrs 14 mins
Moonrise: 8:52 AM
Moon Transit: 3:02 PM
Moonset: 8:56 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

4:23 PM - 6:53 PM
2:32 PM - 5:02 PM

Minor Periods

8:26 PM - 9:56 PM
8:22 AM - 9:52 AM

Action Rating: 4 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 47.6°F
Average Humidity: 77%
Chance of Rain: 88%
Wind: 17.4 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.8 μg/m3
PM10: 20.05 μg/m3
Carbon Monoxide: 217.91 μg/m3
Nitrogen Dioxide: 0.34 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 72.77 μg/m3

Astronomical

Sunrise: 8:53 AM
Sun Transit: 2:58 PM
Sunset: 9:03 PM
Daylight: 12 hrs 10 mins
Moonrise: 10:08 AM
Moon Transit: 3:43 PM
Moonset: 9:03 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

5:03 PM - 7:33 PM
3:13 PM - 5:43 PM

Minor Periods

8:33 PM - 10:03 PM
9:38 AM - 11:08 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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