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.}

028
SXUS43 KGRB 042141
RECGRB
WIZ048-WIZ049-051000-

Recreational Forecast for Lake Winnebago
National Weather Service Green Bay WI
341 PM CST Wed Nov 4 2026

.REST OF THE AFTERNOON...Southwest winds 10 to 15 knots. Isolated
rain showers. Waves 1 to 3 feet. Near steady temperature in the
mid 50s.
.TONIGHT...Southwest winds 10 to 15 knots. Scattered rain showers
after midnight. Waves 3 to 6 feet. Lows in the mid 40s.
.THURSDAY...West winds 10 to 15 knots veering north 10 to
20 knots in the afternoon. Rain showers in the morning, then
chance of rain showers in the afternoon. Waves 3 to 5 feet. Highs
in the mid 50s.
.THURSDAY NIGHT...North winds 15 to 20 knots. Mostly cloudy.
Waves 4 to 7 feet. Lows in the mid 30s.
.FRIDAY...North winds 10 to 20 knots. Partly sunny. Waves 3 to
6 feet. Highs in the mid 40s.

$$

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

    
                        

588

ASUS43 KGRB 042301

RWRGRB



NORTH-CENTRAL AND NORTHEAST WISCONSIN REGIONAL WEATHER ROUNDUP

NATIONAL WEATHER SERVICE GREEN BAY WI

500 PM CST WED NOV 04 2026



WIZ005-009-010>012-018-019-050000-

NORTH CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRONWOOD       CLOUDY    56  56 100 SW5       29.47R

MANITOWISH WTR NOT AVBL

ARBOR VITAE    DRIZZLE   52  52 100 SW8       29.49R

EAGLE RIVER    NOT AVBL

LAND O LAKES   NOT AVBL

RHINELANDER    CLOUDY    52  51  97 SW8       29.51R

PHILLIPS       NOT AVBL

ANTIGO         NOT AVBL

TOMAHAWK       NOT AVBL

MERRILL        NOT AVBL

$$



WIZ013-073-050000-

NORTHEAST WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRON MOUNTAIN  MOCLDY    58  55  90 S3        29.47S

MARINETTE      NOT AVBL

$$



WIZ017-030-035>037-045-050000-

CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

MEDFORD        NOT AVBL

WAUSAU         CLOUDY    51  50  96 SW9       29.53R FOG

MOSINEE        DRIZZLE   50  50 100 SW13      29.53R FOG

MARSHFIELD     LGT RAIN  48  48 100 SW10G22   29.54R FOG

WISC RAPIDS    CLOUDY    51  47  86 SW15G21   29.56R

STEVENS POINT  NOT AVBL

WAUPACA        NOT AVBL

SHAWANO        NOT AVBL

CLINTONVILLE   CLOUDY    54  50  89 SW13      29.56R

WAUTOMA        CLOUDY    51  50  96 S12       29.58R FOG

$$



WIZ038-039-048-051-050000-

FOX VALLEY



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

NWS GREEN BAY  CLOUDY    55  49  80 SW12      29.55R

APPLETON       NOT AVBL

OSHKOSH        CLOUDY    54  48  80 SW10G25   29.57R

FOND DU LAC    CLOUDY    53  49  86 SW16G24   29.59R

$$



WIZ022-050-052-050000-

EAST CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

EPHRAIM        NOT AVBL

WASHINGTON ISL NOT AVBL

STURGEON BAY   NOT AVBL

MANITOWOC      MOCLDY    56  49  77 SW10G18   29.58R

SHEBOYGAN      CLOUDY    54  49  83 SW14G22   29.59R

$$



LMZ563-521-522-541>543-050000-

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 2240   56     230/ 15/ 20 1001.9R

KEWAUNEE LKSHORE 2200          230/  9/ 13 1000.0

NORTHPORT PIER   2200          160/  7/ 14 1000.7

N MID LAKE BUOY  2240   57 55  180/ 14/ 16  999.6R

MENOMINEE LKSHOR 2200   60 55  200/ 13/ 16  999.2

$$

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.