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39NM NW Seguam Island AK

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 1:21 pm AKDT Jul 2, 2026
Forecast Valid: 6pm AKDT Jul 2, 2026-6pm AKDT Jul 9, 2026

Synopsis: A 1003 mb North Pacific low moves to 125 nm SE of Shemya Sat afternoon.

Tonight

WNW wind around 15 kt becoming WSW after midnight. Patchy fog before 7pm, then Patchy fog after 10pm. Seas around 4 ft.

Friday

W wind 10 to 15 kt. Patchy fog before 1pm. Seas around 3 ft.

Friday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.

Independence Day

E wind around 15 kt. A chance of rain after 10am. Seas around 4 ft.

Saturday Night

E wind around 25 kt. Rain likely, mainly before 4am. Seas around 5 ft.

Sunday

E wind 20 to 25 kt. Rain likely, mainly after 10am. Seas 5 to 6 ft.

Sunday Night

SE wind 15 to 20 kt. Showers likely. Seas 5 to 6 ft.

Monday

SW wind around 15 kt. Showers likely. Seas around 4 ft.

Monday Night

WSW wind around 15 kt. A chance of showers. Seas 3 to 4 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.