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lakeglance

MontanaNatural lake, 2,852 acres, Flathead County

Ashley Lake wind forecast

Shoreline: USGS National Hydrography Dataset

7-day outlook

Daylight hours, 8am to 7pm local time. Wind in knots.

  1. TodayOct 26

    0-1kt

    E, gusts 4

    High 47°F, rain 85%

    Stay ashore
  2. TueOct 27

    5-6kt

    SW, gusts 18

    High 40°F, rain 72%

    Use caution
  3. WedOct 28

    3-5kt

    SSW, gusts 13

    High 38°F, rain 85%

    Use caution
  4. ThuOct 29

    0-2kt

    ENE, gusts 5

    High 37°F, rain 31%

    Light wind
  5. FriOct 30

    1-2kt

    NE, gusts 4

    High 39°F, rain 23%

    Light wind
  6. SatOct 31

    0-1kt

    SSW, gusts 4

    High 41°F, rain 10%

    Light wind
  7. SunNov 1

    1-2kt

    WSW, gusts 4

    High 42°F, rain 23%

    Light wind

Hour by hour, next 3 days

Wind and gusts0 to 30+ ktScoreGood, caution, stay ashoreNightBest windowArrows point where the wind blows to.

This week on Ashley

Over the next 7 days on Ashley Lake, the windiest stretch looks like Tuesday, with gusts to about 18 kt. Monday is the calmest day in the outlook, topping out near 1 kt.

Tuesday is the pick for sailing, and Saturday looks best for kayaks and paddleboards. Mornings are usually calmer than afternoons, so check the hourly strip for the exact window.

Reading a lake wind forecast

Sustained wind is the average over a couple of minutes; gusts are the short peaks. On inland water the gap between the two matters as much as the average. A steady 12 kt is a pleasant sail, while 8 kt gusting 20 kt knocks small boats flat and tires out paddlers.

On a lake the size of Ashley, waves stay modest, but nearby hills, trees and buildings bend the wind. Expect shifts and puffs, especially close to shore, and treat the forecast speed as an average across open water.

The National Weather Service forecast covers a 2.5 km grid, so local effects like a sea breeze off a big lake, a cold front or afternoon thunderstorms can arrive earlier or stronger than shown. Check the forecast again on the morning you go, and keep an eye on small craft advisories.

Ashley Lake forecast questions

What is the wind forecast for Ashley Lake this weekend?

In the National Weather Service forecast from October 26: Saturday: SSW wind 0 to 1 kt, gusts to 4 kt, high near 41°F. Sunday: WSW wind 1 to 2 kt, gusts to 4 kt, high near 42°F. The live cards above always show the latest update.

When is the best day to sail on Ashley Lake this week?

Based on the National Weather Service forecast from October 26, Tuesday looks best, with SW wind around 5 to 6 kt and gusts near 18 kt. Forecasts beyond three days shift, so check the live day cards above and look again the night before.

Where does the Ashley Lake wind forecast come from?

From the National Weather Service gridded forecast for the 2.5 km cell over the lake. It is the same forecast local NWS offices use, updated several times a day. We convert wind to knots and add our own go or no-go call for each activity.

What wind is too strong for a kayak or paddleboard?

We flag paddling as risky once sustained wind passes about 8 kt or gusts pass 12 kt, and advise staying ashore above 12 kt sustained or 18 kt gusts. Offshore wind is the most dangerous because it pushes you away from the launch.

Nearby lakes

If Ashley is blown out, these are the closest alternatives. Tap through for their wind forecasts.