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PennsylvaniaReservoir, 12,222 acres, McKean County, Warren County

Allegheny Reservoir wind forecast

Allegheny Reservoir, Pennsylvania
Photo: U.S. Army Corps of Engineers, photographer not specified or unknown, Public domain

7-day outlook

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

  1. TodayOct 26

    3-5kt

    WNW, gusts 11

    High 65°F, rain 1%

    Use caution
  2. TueOct 27

    2-3kt

    NE, gusts 6

    High 60°F, rain 0%

    Light wind
  3. WedOct 28

    4-5kt

    S, gusts 10

    High 66°F, rain 0%

    Good
  4. ThuOct 29

    5-7kt

    SW, gusts 15

    High 68°F, rain 0%

    Good
  5. FriOct 30

    3-5kt

    WNW, gusts 11

    High 66°F, rain 7%

    Use caution
  6. SatOct 31

    2-3kt

    SSW, gusts 8

    High 65°F, rain 6%

    Light wind
  7. SunNov 1

    4-6kt

    S, gusts 14

    High 64°F, rain 51%

    Use caution

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 Allegheny

Over the next 7 days on Allegheny Reservoir, the windiest stretch looks like Thursday, with gusts to about 15 kt. Tuesday is the calmest day in the outlook, topping out near 3 kt.

Thursday is the pick for sailing, and Monday 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.

Allegheny Reservoir is large enough for wind to build real waves. When the forecast direction lines up with the long open stretches of the lake, expect bigger chop than the wind speed alone suggests, and plan routes that keep you near a sheltered shore on the way back.

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.

Allegheny Reservoir forecast questions

What is the wind forecast for Allegheny Reservoir this weekend?

In the National Weather Service forecast from October 26: Saturday: SSW wind 2 to 3 kt, gusts to 8 kt, high near 65°F. Sunday: S wind 4 to 6 kt, gusts to 14 kt, high near 64°F, 51% chance of rain. The live cards above always show the latest update.

When is the best day to sail on Allegheny Reservoir this week?

Based on the National Weather Service forecast from October 26, Thursday looks best, with SW wind around 5 to 7 kt and gusts near 15 kt. Forecasts beyond three days shift, so check the live day cards above and look again the night before.

Where does the Allegheny Reservoir 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 Allegheny is blown out, these are the closest alternatives. Tap through for their wind forecasts.