For More Weather Information:

Anchorage, AK Local Forecast Office

Platinum AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 40 °F
NW 10kt
2ft
Tonight
Low: 38 °F
WNW 10kt
2ft
Thursday
High: 39 °F
NW 15kt
2ft
Thursday Night
Low: 34 °F
NNW 20kt
2ft
Friday
High: 38 °F
NNW 20kt
2ft
Friday Night
Low: 30 °F
NNW 15kt
2ft
Saturday
High: 35 °F
N 10kt
2ft
Saturday Night
Low: 28 °F
N 10kt
1-2ft
Sunday
High: 33 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:23 pm AKST Nov 4, 2026
Forecast Valid: 3pm AKST Nov 4, 2026-6pm AKST Nov 10, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 977 mb low 200 nm W of Saint Mathews Island moves to 310 nm SW of Saint Mathews Island at 988 mb by Thu morning and continues to 130 nm NE of Atka at 995 mb by Fri afternoon. Its front moves S toward the Aleutians through Fri afternoon.

This Afternoon

NW wind around 10 kt. A chance of showers. Seas around 2 ft.

Tonight

WNW wind 5 to 10 kt. A chance of showers. Seas around 2 ft.

Thursday

NW wind 10 to 15 kt. A chance of rain before 9am, then a chance of showers between 9am and 3pm, then a chance of rain after 3pm. Seas around 2 ft.

Thursday Night

NNW wind 15 to 20 kt. A chance of rain before 3am. Seas around 2 ft.

Friday

NNW wind 15 to 20 kt. Mostly cloudy. Seas around 2 ft.

Friday Night

NNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 2 ft.

Saturday

N wind around 10 kt. Partly sunny. Seas around 2 ft.

Saturday Night

N wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Sunday

Variable winds 5 kt or less. Mostly sunny. Seas around 1 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.