Water Temperature of Dutch Harbor in Unalaska, AK

Current Water Temperature

39.9°F

Measurement Time: Monday, May 18, 2026, 12:30 PM AKDT

Today's Tides

Low: May 18, 12:49 AM, 3.2 ft
 High: May 18, 5:48 AM, 4.0 ft
Low: May 18, 2:13 PM, -1.8 ft
 High: May 18, 10:34 PM, 3.6 ft

Temperature Locations

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Local Points of Interest

Iliuliuk Bay; Iliuliuk Harbor; Amaknak Island; Captains Bay

Dutch Harbor

Station Name: Unalaska
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 10 feet

Sensor Depth: -15 feet

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

44.1°F
Partly cloudy
Partly cloudy
43°F
39.8°F
67%
SW 2.9 mph
3.4 mph
38.3°F
31.6°F
0 in
75%
9 mi
995 mbar
1.9

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 42°F
L: 36°F
Patchy rain nearby
Tue
H: 43°F
L: 39°F
Heavy rain
Wed
H: 42°F
L: 38°F
Moderate rain
Thu
H: 40°F
L: 38°F
Patchy rain nearby
Fri
H: 42°F
L: 37°F

Air Quality

AQI: 1 - Good
PM2.5: 8.98 μg/m3
PM10: 14.88 μg/m3
Carbon Monoxide: 123.68 μg/m3
Nitrogen Dioxide: 0.88 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 3:02 PM
Sunset: 12:06 AM
Daylight: -7 hrs 8 mins
Moonrise: 7:46 AM
Moon Transit: 5:17 PM
Moonset: 1:40 AM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

6:40 PM - 9:10 PM
4:47 PM - 7:17 PM

Minor Periods

7:16 AM - 8:46 AM
1:10 AM - 2:40 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
42.4°F
36.4°F
39.2°F
73%
0.01 in
89%
0%
12.8 mph
4.3


Air Quality

AQI: 1 - Good
PM2.5: 4.93 μg/m3
PM10: 7.86 μg/m3
Carbon Monoxide: 128.12 μg/m3
Nitrogen Dioxide: 0.98 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 79.76 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 3:02 PM
Sunset: 12:06 AM
Daylight: -7 hrs 8 mins
Moonrise: 7:46 AM
Moon Transit: 5:17 PM
Moonset: 1:40 AM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

6:40 PM - 9:10 PM
4:47 PM - 7:17 PM

Minor Periods

7:16 AM - 8:46 AM
1:10 AM - 2:40 AM

Action Rating: 4 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
42.5°F
38.6°F
40°F
86%
0.13 in
92%
0%
12.8 mph
2.9


Air Quality

AQI: 1 - Good
PM2.5: 5.35 μg/m3
PM10: 8.71 μg/m3
Carbon Monoxide: 125.32 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 70.76 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 3:02 PM
Sunset: 12:08 AM
Daylight: -7 hrs 11 mins
Moonrise: 9:01 AM
Moon Transit: 6:22 PM
Moonset: 2:45 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

7:45 PM - 10:15 PM
5:52 PM - 8:22 PM

Minor Periods

8:31 AM - 10:01 AM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Heavy rain
41.9°F
38.3°F
39.6°F
89%
0.84 in
87%
0%
23 mph
4.6


Air Quality

AQI: 1 - Good
PM2.5: 4.78 μg/m3
PM10: 7.66 μg/m3
Carbon Monoxide: 123.84 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 70.4 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 3:02 PM
Sunset: 12:09 AM
Daylight: -7 hrs 14 mins
Moonrise: 10:31 AM
Moon Transit: 7:23 PM
Moonset: 3:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

8:45 PM - 11:15 PM
6:53 PM - 9:23 PM

Minor Periods

10:01 AM - 11:31 AM
2:55 AM - 4:25 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Moderate rain
40.4°F
37.5°F
39°F
88%
0.29 in
80%
0%
30.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.21 μg/m3
PM10: 8.49 μg/m3
Carbon Monoxide: 121.54 μg/m3
Nitrogen Dioxide: 0.91 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 73.28 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 3:02 PM
Sunset: 12:11 AM
Daylight: -7 hrs 17 mins
Moonrise: 12:04 AM
Moon Transit: 8:18 PM
Moonset: 3:51 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:48 PM - 10:18 PM

Minor Periods

11:34 AM - 1:04 PM
3:21 AM - 4:51 AM

Action Rating: 2 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
42°F
37.2°F
39.5°F
75%
0.02 in
88%
0%
23 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 5.62 μg/m3
Carbon Monoxide: 129.14 μg/m3
Nitrogen Dioxide: 0.88 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 65.08 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 3:02 PM
Sunset: 12:12 AM
Daylight: -7 hrs 20 mins
Moonrise: 1:34 PM
Moon Transit: 9:08 PM
Moonset: 4:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:38 PM - 11:08 PM

Minor Periods

1:04 PM - 2:34 PM
3:38 AM - 5:08 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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