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Anchorage, AK Local Forecast Office

45NM SSE Seguam Island AK

Marine Point Forecast

[NOTICE]

Saturday
High: 42 °F
N 10kt
6-8ft

Small Craft Advisory
Saturday Night
Low: 39 °F
N 10kt
9ft

Small Craft Advisory
Sunday
High: 42 °F
ESE 15kt
9-11ft

Small Craft Advisory
Sunday Night
Low: 40 °F
ENE 15kt
7-8ft
Monday
High: 42 °F
NNW 15kt
8-9ft
Monday Night
Low: 39 °F
NW 20kt
14ft
Tuesday
High: 42 °F
WNW 25kt
14ft
Tuesday Night
Low: 40 °F
⇑SE 30kt
11ft
Veterans Day
High: 44 °F
SE 30kt⇓
14ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:55 am AKST Nov 7, 2026
Forecast Valid: 4am AKST Nov 7, 2026-6pm AKST Nov 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

Synopsis: A 994 mb low 240 S of Amchitka continues to exit SE into the N Pacific through this afternoon. A 997 mb low 290 nm S of Sand Point moves farther east through the N Pacific before dissipating Sun morning. A 987 Kamchatka low this morning moves to 240 nm SW of Adak Sun evening. A 996 mb low develops along its front 340 nm S of Kiska this evening. This low moves to 360 nm SE of Nikolski at 974 mb Mon morning.

Saturday

N wind 5 to 10 kt. Scattered showers, mainly after noon. Seas 6 to 8 ft.

Saturday Night

N wind 5 to 10 kt becoming NE after midnight. Scattered showers, mainly before 3am. Seas 5 ft building to 9 ft.

Sunday

ESE wind 10 to 15 kt. Isolated showers. Seas 9 to 11 ft.

Sunday Night

ENE wind 10 to 15 kt. Scattered showers after 9pm. Seas 7 to 8 ft.

Monday

ENE wind 10 to 15 kt becoming NNW in the afternoon. Scattered showers before noon. Seas 8 to 9 ft.

Monday Night

NW wind 15 to 20 kt. A chance of rain and snow showers before 3am, then a chance of rain showers. Seas 9 ft building to 14 ft.

Tuesday

WNW wind 15 to 25 kt. A chance of rain before 3pm. Seas 14 ft subsiding to 11 ft.

Tuesday Night

SSW wind 10 to 20 kt becoming SE 20 to 30 kt after midnight. Winds could gust as high as 35 kt. Rain. Seas 11 ft subsiding to 8 ft.

Veterans Day

SE wind 25 to 30 kt becoming SW 15 to 20 kt in the morning. Winds could gust as high as 35 kt. Rain. Seas 8 ft building to 14 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.