Lake Winnebago Forecast

Lake Winnebago Forecast About these forecasts

Forecast Graphics

Lake Winnebago Recreational Forecast
^{Note: Experimental product. Check product creation time to verify this is a current forecast.}

Local Observations
^{Note: Check product creation time to verify this is a current product.}

    
                        

433

ASUS43 KGRB 180959

RWRGRB



NORTH-CENTRAL AND NORTHEAST WISCONSIN REGIONAL WEATHER ROUNDUP

NATIONAL WEATHER SERVICE GREEN BAY WI

500 AM CDT WED MAR 18 2026



WIZ005-009-010>012-018-019-181100-

NORTH CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRONWOOD       FLURRIES  15  10  80 S12       29.81F WCI   2

MANITOWISH WTR FLURRIES  13  10  86 S8        29.81F WCI   2

ARBOR VITAE    FLURRIES  13  10  87 S6        29.82S WCI   4

EAGLE RIVER    LGT SNOW  13   8  81 S5        29.83S WCI   5

LAND O LAKES   FLURRIES  14   9  83 S6        29.84R WCI   5

RHINELANDER    CLOUDY    13  10  88 S8        29.84S FOG     WCI   2

PHILLIPS       CLOUDY    15  12  90 S9        29.81F WCI   3

ANTIGO         NOT AVBL

TOMAHAWK       NOT AVBL

MERRILL        CLOUDY    15  10  81 S3        29.86F

$$



WIZ013-073-181100-

NORTHEAST WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRON MOUNTAIN  NOT AVBL

MARINETTE      NOT AVBL

OCONTO           N/A     17  14  87 S7        29.98F WCI   8

$$



WIZ017-030-035>037-045-181100-

CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

MEDFORD        CLOUDY    15  12  87 S9        29.83F WCI   3

WAUSAU         CLOUDY    15  12  88 SE9       29.88F WCI   3

MOSINEE        NOT AVBL

MARSHFIELD     CLOUDY    16  13  88 S8        29.86F WCI   5

WISC RAPIDS    CLOUDY    17  12  80 S8        29.90F WCI   7

STEVENS POINT  CLOUDY    18  14  84 S6        29.91F WCI  10

WAUPACA        CLOUDY    19  14  82 SE7       29.97F WCI  10

SHAWANO        FLURRIES  19  13  79 CALM      29.95F

CLINTONVILLE   NOT AVBL

WAUTOMA        FLURRIES  17  14  88 S8        29.94F WCI   7

$$



WIZ038-039-048-051-181100-

FOX VALLEY



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

NWS GREEN BAY  LGT SNOW  16  13  88 S10       29.97F FOG     WCI   4

APPLETON       CLOUDY    21  18  86 S12       29.95F WCI   9

OSHKOSH        CLOUDY    19  15  84 S17       29.95F WCI   4

FOND DU LAC    CLOUDY    20  15  81 S14       29.97F WCI   7

$$



WIZ022-050-052-181100-

EAST CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

EPHRAIM        NOT AVBL

WASHINGTON ISL NOT AVBL

STURGEON BAY   NOT AVBL

MANITOWOC      FLURRIES  18  15  88 S9        30.01F WCI   7

SHEBOYGAN      CLOUDY    19  15  84 S12       30.00F WCI   7

$$



LMZ563-521-522-541>543-181100-

LAKESHORE



STATION/POSITION TIME  TEMP    WIND        PRES    VSBY  WAVE

                       AIR SEA DIR/SP/G                  HT/PER

                 (UTC) (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)

SHEBOYGAN LKSHOR 0900   20     200/ 14/ 15 1017.6F

KEWAUNEE LKSHORE 0924   18     200/ 10/ 12 1015.8

NORTHPORT PIER   0900   17     160/  3/  7   N/A

MENOMINEE LKSHOR 0924      35  180/ 10/ 14 1014.7

$$

Additional Data
^{Note: Check data times to verify information is current.}

Lake Winnebago Buoy
- INFOS WinnGB Project

Lake Winnebago Water Temperatures
- Latest hourly reading
- Last 21 days
- Daily stream water temps -- See bottom of report; including Lk Winnebago

About these Forecasts

This forecast is available during the boating season, usually April through the end of October. The forecast, both graphical and text, is generated several times per day with updates made when weather conditions become unrepresentative. Use with caution. Be sure to check the product creation time to verify that the forecast you are viewing is current. Forecasts are valid for either 36 or 48 hours dependent on issuance time. Forecast elements include winds, significant wave heights, sensible weather, and associated restrictions to visibility if applicable over the open lake waters.

A wave model is run by NWS in Green Bay which produces the wave height forecast for Lake Winnebago. Forecasters at NWS Green Bay develop the wind forecast that is used in the wave model. The wave model has been used on the Great Lakes and has been shown to do reasonably well.

The latest observations for sites along the lake are also being provided. You may ask “Are these really the kind of winds you can expect on the open area of a lake or reservoir?” Any lake recreationalist will probably tell you that the winds are often found to be stronger than what was forecast or seen at the surrounding observation sites. Studies have shown that there is approximately a 4 to 5 mph increase in sustained wind speeds on open bodies of water compared to the nearest airport. Keep in mind that this difference is over an open waterway and is not necessarily what one would find if they were boating in a protected pocket of the waterway or near a wind protected structure such as a tree line, an island or point.

Click here for more answers to some questions you may have regarding the Lake Winnebago Recreational Forecast.

We greatly value your input into ways to make the forecast and this website more useful. Please contact nws.greenbay@noaa.gov with any suggestions, comments or questions.