Weather for Gustavus, Alaska
Current Weather
Five Day Weather Forecast
Sat
H: 60°F
L: 48°F
Sun
H: 58°F
L: 48°F
Mon
H: 56°F
L: 48°F
Tue
H: 56°F
L: 48°F
Wed
H: 55°F
L: 47°F
Air Quality
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 49 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 10:15 PM
Daylight: 18 hrs 20 mins
Moon Transit: 6:26 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM5:56 PM - 8:26 PM
Minor Periods
11:18 AM - 12:48 AM12:10 AM - 1:40 AM
Action Rating: 2 out of 5
Small Craft Advisory issued June 19 at 7:10PM AKDT until June 20 at 5:00AM AKDT by NWS Juneau AK
Effective: Fri June 19, 2026, 7:10 PM
Expires: Sat June 20, 2026, 7:45 AM
Southeast Alaska Inside Waters from Dixon Entrance to Skagway Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one-third of the combined windwave and swell height. UPDATED ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .REST OF TONIGHT...W wind 25 kt diminishing to 20 kt late. Seas 5 ft. .SAT...W wind 20 kt. Seas 4 ft. .SAT NIGHT...W wind 20 kt. Seas 4 ft. Areas of dense fog late. .SUN...W wind 20 kt. Seas 4 ft. .SUN NIGHT...W wind 20 kt. Seas 4 ft. .MON...W wind 10 kt. Seas 2 ft or less. .TUE...W wind 10 kt. Seas 2 ft or less. .WED...W wind 10 kt. Seas 2 ft or less.
Small Craft Advisory issued June 19 at 7:10PM AKDT until June 20 at 1:00AM AKDT by NWS Juneau AK
Effective: Fri June 19, 2026, 7:10 PM
Expires: Sat June 20, 2026, 1:00 AM
* WHAT...West winds 15 to 25 kt. * WHERE...Icy Strait. * WHEN...Until 1 AM AKDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.34 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 59.54 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 10:15 PM
Daylight: 18 hrs 20 mins
Moon Transit: 6:26 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM5:56 PM - 8:26 PM
Minor Periods
11:18 AM - 12:48 AM12:10 AM - 1:40 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 58.54 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 10:15 PM
Daylight: 18 hrs 20 mins
Moon Transit: 7:09 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
12:01 AM - 2:31 AM6:39 PM - 9:09 PM
Minor Periods
12:45 AM - 2:15 PM12:13 AM - 1:43 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.58 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 59.58 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 19 mins
Moon Transit: 7:51 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
12:44 AM - 3:14 AM7:21 PM - 9:51 PM
Minor Periods
2:10 PM - 3:40 PM12:15 AM - 1:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.27 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 41.96 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 19 mins
Moon Transit: 8:34 PM
Moonset: 12:47 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%
Best Times for Fishing or Hunting
Major Periods
1:26 AM - 3:56 AM8:04 PM - 10:34 PM
Minor Periods
3:35 PM - 5:05 PM12:17 AM - 1:47 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.96 μg/m3
Sulphur Dioxide: 0.92 μg/m3
Ozone: 40.2 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 10:15 PM
Daylight: 18 hrs 19 mins
Moon Transit: 9:18 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%
Best Times for Fishing or Hunting
Major Periods
2:09 AM - 4:39 AM8:48 PM - 11:18 PM
Minor Periods
5:00 PM - 6:30 PM12:20 AM - 1:50 AM
Action Rating: 2 out of 5