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Water temperature in Anchorage (AK) in March

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Is it warm enough to swim in Anchorage in March? Average water temperature in Anchorage in March is 34.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Anchorage in March is 36.7°F, and the coldest is 29.7°F. Average high air temperature in Anchorage in March is 35°F, and average low temperature is 19°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Anchorage

Changes water temperature in Anchorage in March 2025, 2024

To get an accurate forecast for the water temperature in Anchorage for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Anchorage, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of March.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
March 134.9°F34.7°F30.7°F36.5°F
March 234.9°F34°F30.7°F36.5°F
March 334.9°F34.2°F30.2°F36.5°F
March 434.9°F34.2°F30.7°F36.5°F
March 535.1°F34.3°F31.1°F36.7°F
March 635.1°F34.5°F31.3°F36.5°F
March 733.6°F34.7°F31.5°F36.7°F
March 833.8°F34.7°F30.9°F36.7°F
March 933.6°F34.7°F30.7°F36.5°F
March 1033.8°F34.7°F31.1°F36.3°F
March 1134°F34.9°F30.9°F36.1°F
March 1234.2°F34.9°F31.3°F36.1°F
March 1334.2°F34.9°F31.1°F36.3°F
March 1434.3°F35.1°F30.9°F36.3°F
March 1534.5°F35.1°F31.3°F36.1°F
Day 2025 2024 Min Max
March 1634.5°F34.9°F31.1°F36.1°F
March 1734.5°F34.9°F31.6°F36.1°F
March 1834.5°F34.9°F31.5°F36.1°F
March 1934.7°F35.1°F32°F36.1°F
March 2034.7°F35.1°F32.4°F36.1°F
March 2132.9°F35.1°F30.6°F36.1°F
March 2232.9°F34.7°F29.7°F36°F
March 2333.1°F34.7°F29.8°F36.1°F
March 2434°F34.7°F30.2°F36°F
March 2534°F34.7°F29.7°F36°F
March 2634°F34.7°F30.2°F36°F
March 2733.8°F34.7°F29.8°F36°F
March 2835.1°F34.7°F29.8°F35.8°F
March 2934.9°F34.2°F30.4°F35.8°F
March 3033.8°F34.5°F30.2°F35.8°F
March 3134°F34.7°F30.4°F35.8°F
Anchorage water temp chart in March

Average water temperature in Anchorage in March over a decade

20162017201820192020
33.1°F36.1°F35.4°F35.2°F35.2°F
20212022202320242025
34.9°F35.2°F34.7°F34.7°F34.2°F

Anchorage sea state in March

Chart comparing the height of waves in Anchorage in March over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Anchorage in March

Weather and climate in Anchorage in March

This data display average monthly climate indicators in Anchorage in March based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature35°F
  • Average LOW temperature19°F
  • Average humidity
    66
  • Average rainfall days7 days
  • Average rainfall15mm/0.6''
  • Average daylight12h
  • Average sunshine6.3h
  • Average UV index1

Anchorage water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in March?

Want to know where the water temperature in March is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in March. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Whittier38.5°F35.4°F42.1°F
Kenai34.2°F30.4°F36.7°F
Seward38.8°F36.1°F42.3°F
Cook Inlet34.2°F30.9°F36.9°F
Prince William Sound39.2°F36.3°F42.8°F
Anchor Point37.9°F34°F42.3°F
Homer38.1°F35.1°F42.3°F
Valdez39.4°F36.9°F42.3°F
Cordova38.8°F36.3°F42.8°F
Kodiak38.8°F35.4°F41.9°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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