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.}

579
SXUS43 KGRB 181519
RECGRB
WIZ048-WIZ049-182200-

Recreational Forecast for Lake Winnebago
National Weather Service Green Bay WI
919 AM CST Tue Nov 18 2025

.TODAY...East winds 5 to 10 knots. Rain late in the morning. Snow
through the day. Chance of rain in the afternoon. Waves 1 foot or
less. Near steady temperature in the mid 30s.
.TONIGHT...Northeast winds around 5 knots. Mostly cloudy in the
evening then clearing. Waves 1 foot or less. Lows in the upper
20s.
.WEDNESDAY...South winds up to 5 knots. Partly sunny. Waves
1 foot or less. Highs in the lower 40s.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less. Near steady temperature around 40.

$$

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

    
                        

178

ASUS43 KGRB 181459

RWRGRB



NORTH-CENTRAL AND NORTHEAST WISCONSIN REGIONAL WEATHER ROUNDUP

NATIONAL WEATHER SERVICE GREEN BAY WI

900 AM CST TUE NOV 18 2025



WIZ005-009-010>012-018-019-181600-

NORTH CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRONWOOD       MOSUNNY   23  21  92 E5        30.11S

MANITOWISH WTR NOT AVBL

ARBOR VITAE    NOT AVBL

EAGLE RIVER    NOT AVBL

LAND O LAKES   NOT AVBL

RHINELANDER    MOSUNNY   25  17  72 E6        30.08S

PHILLIPS       NOT AVBL

ANTIGO         NOT AVBL

TOMAHAWK       NOT AVBL

MERRILL        NOT AVBL

$$



WIZ013-073-181600-

NORTHEAST WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRON MOUNTAIN  MOSUNNY   22  19  89 CALM      30.09F

MARINETTE      NOT AVBL

$$



WIZ017-030-035>037-045-181600-

CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

MEDFORD        NOT AVBL

WAUSAU         PTSUNNY   29  20  69 E7        30.07R

MOSINEE        CLOUDY    32  23  69 E9        30.06R

MARSHFIELD     LGT SNOW  32  30  92 E8        30.05R VSB 3/4

WISC RAPIDS    NOT AVBL

STEVENS POINT  NOT AVBL

WAUPACA        NOT AVBL

SHAWANO        NOT AVBL

CLINTONVILLE   NOT AVBL

WAUTOMA        CLOUDY    36  34  92 NE8       30.05R

$$



WIZ038-039-048-051-181600-

FOX VALLEY



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

NWS GREEN BAY  CLOUDY    34  27  75 NE8       30.10R

APPLETON       CLOUDY    36  34  93 NE8       30.07F

OSHKOSH        CLOUDY    37  34  89 E14G24    30.05S

FOND DU LAC    CLOUDY    38  33  82 E17G23    30.04F

$$



WIZ022-050-052-181600-

EAST CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

EPHRAIM        NOT AVBL

WASHINGTON ISL NOT AVBL

STURGEON BAY   NOT AVBL

MANITOWOC      LGT RAIN  36  33  89 SE12      30.10S

SHEBOYGAN      CLOUDY    37  29  72 E13       30.07F

$$



LMZ563-521-522-541>543-181600-

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 1400   39     100/ 17/ 20 1019.2F

KEWAUNEE LKSHORE 1400          120/  9/ 13 1018.9

MENOMINEE LKSHOR 1400   38 42   80/  9/ 11 1019.1

$$

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.