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.}

    
                        

600

ASUS43 KGRB 120659

RWRGRB



NORTH-CENTRAL AND NORTHEAST WISCONSIN REGIONAL WEATHER ROUNDUP

NATIONAL WEATHER SERVICE GREEN BAY WI

200 AM CDT THU MAR 12 2026



WIZ005-009-010>012-018-019-120800-

NORTH CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRONWOOD       PTCLDY    25  11  55 NW12      30.07S

MANITOWISH WTR NOT AVBL

ARBOR VITAE    CLEAR     18   9  67 NW5       30.03S

EAGLE RIVER    CLEAR     20   9  62 NW5       30.02S

LAND O LAKES   CLEAR     16  10  79 NW3       30.03S

RHINELANDER    CLEAR     21   6  52 W6        30.03S

PHILLIPS       PTCLDY    23   8  52 CALM      30.06S

ANTIGO         NOT AVBL

TOMAHAWK       NOT AVBL

MERRILL        MOCLDY    26   7  46 CALM      30.05S

$$



WIZ013-073-120800-

NORTHEAST WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRON MOUNTAIN  CLEAR     24  13  62 NW6       30.00R

MARINETTE      NOT AVBL

$$



WIZ017-030-035>037-045-120800-

CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

MEDFORD        MOCLDY    27  15  61 NW6       30.06S

WAUSAU         NOT AVBL

MOSINEE        NOT AVBL

MARSHFIELD     CLEAR     27  17  66 W7        30.08R

WISC RAPIDS    CLOUDY    29  15  56 W6        30.10R

STEVENS POINT  PTCLDY    30  18  60 CALM      30.09R

WAUPACA        CLEAR     31  17  57 W3        30.12S

SHAWANO        CLEAR     27  16  62 CALM      30.08S

CLINTONVILLE   PTCLDY    26  19  72 W7        30.10R

WAUTOMA        MOCLDY    29  18  63 W6        30.11S

$$



WIZ038-039-048-051-120800-

FOX VALLEY



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

NWS GREEN BAY  CLEAR     27  20  75 W6        30.08R

APPLETON       CLEAR     27  19  74 W7        30.08S

OSHKOSH        MOCLDY    29  18  63 CALM      30.09R

FOND DU LAC    CLOUDY    30  19  63 SW6       30.10S

$$



WIZ022-050-052-120800-

EAST CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

EPHRAIM        NOT AVBL

WASHINGTON ISL NOT AVBL

STURGEON BAY   NOT AVBL

MANITOWOC      PTCLDY    29  21  72 W12       30.09S

SHEBOYGAN      PTCLDY    31  19  61 NW8       30.08S

$$



LMZ563-521-522-541>543-120800-

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 0600   33     290/  9/ 10 1019.5R

KEWAUNEE LKSHORE 0624   30     280/  2/  5 1018.0

NORTHPORT PIER   0600   28     230/  6/ 10   N/A

MENOMINEE LKSHOR 0624      34  260/  7/  9 1016.8

$$

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.