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Anchorage, AK Local Forecast Office

5NM E Barren Islands AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 42 °F
Light Wind
2ft
Tonight
Low: 40 °F
NW 10kt
2-3ft
Tuesday
High: 43 °F
NW 15kt
3-4ft
Tuesday Night
Low: 39 °F
N 15kt
3-4ft
Wednesday
High: 42 °F
N 25kt
8ft
Wednesday Night
Low: 35 °F
NW 30kt
12ft
Thursday
High: 37 °F
NW 35kt
9-11ft
Thursday Night
Low: 34 °F
NW 35kt
10-11ft
Friday
High: 36 °F
NW 35kt
9-10ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:49 am AKST Nov 3, 2025
Forecast Valid: 3pm AKST Nov 3, 2025-6pm AKST Nov 9, 2025

View Nearby Observations

Detailed Forecast

Synopsis: Multiple troughs track into the northern Gulf through Wed afternoon. A strong front overspreads the Gulf from the east Wed morning.

This Afternoon

Variable winds 5 kt or less. Scattered rain and snow showers. Seas around 2 ft.

Tonight

NW wind 5 to 10 kt, with gusts as high as 20 kt. Scattered snow showers before midnight, then a slight chance of snow showers after 3am. Seas 2 to 3 ft.

Tuesday

NW wind 10 to 15 kt. A slight chance of snow showers before noon. Seas 3 to 4 ft.

Tuesday Night

N wind 10 to 15 kt. Scattered rain and snow showers after 3am. Seas 3 to 4 ft.

Wednesday

N wind 20 to 25 kt. Partly sunny. Seas 5 ft building to 8 ft.

Wednesday Night

NW wind 25 to 30 kt. Rain likely after 3am. Seas 12 ft subsiding to 9 ft.

Thursday

NW wind 30 to 35 kt. Rain. Seas 9 to 11 ft.

Thursday Night

NW wind around 35 kt. Rain. Seas 10 to 11 ft.

Friday

NW wind 30 to 35 kt. A chance of rain. Seas 9 to 10 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.