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.}

957
SXUS43 KGRB 242316
RECGRB
WIZ048-WIZ049-250900-

Recreational Forecast for Lake Winnebago
National Weather Service Green Bay WI
616 PM CDT Sun May 24 2026

.TONIGHT...South winds 5 to 10 knots. Mostly clear. Waves less
than 1 foot. Lows in the upper 50s.
.MONDAY...Southwest winds 5 to 10 knots. Slight chance of rain
showers in the morning. Waves 1 foot or less. Highs in the mid
70s.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Mostly clear.
Waves 1 foot or less. Lows in the lower 60s.
.TUESDAY...Southwest winds 5 to 10 knots. Sunny. Waves 1 foot or
less. Highs in the upper 70s.

$$

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

    
                        

203

ASUS43 KGRB 250059

RWRGRB



NORTH-CENTRAL AND NORTHEAST WISCONSIN REGIONAL WEATHER ROUNDUP

NATIONAL WEATHER SERVICE GREEN BAY WI

800 PM CDT SUN MAY 24 2026



WIZ005-009-010>012-018-019-250200-

NORTH CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRONWOOD       MOCLDY    65  48  54 S9        29.94R

MANITOWISH WTR NOT AVBL

ARBOR VITAE    NOT AVBL

EAGLE RIVER    NOT AVBL

LAND O LAKES   NOT AVBL

RHINELANDER    PTCLDY    67  45  45 CALM      29.97R

PHILLIPS       NOT AVBL

ANTIGO         NOT AVBL

TOMAHAWK       NOT AVBL

MERRILL        NOT AVBL

$$



WIZ013-073-250200-

NORTHEAST WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

IRON MOUNTAIN  LGT RAIN  70  48  45 CALM      29.94S

MARINETTE      CLEAR     60  53  77 S10       29.99S

$$



WIZ017-030-035>037-045-250200-

CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

MEDFORD        NOT AVBL

WAUSAU         NOT AVBL

MOSINEE        CLEAR     68  52  56 S6        29.96F

MARSHFIELD     CLEAR     71  48  43 S6        29.96S

WISC RAPIDS    CLEAR     72  48  42 S6        29.97S

STEVENS POINT  NOT AVBL

WAUPACA        NOT AVBL

SHAWANO        NOT AVBL

CLINTONVILLE   NOT AVBL

WAUTOMA        CLEAR     74  49  41 SW6       29.98S

$$



WIZ038-039-048-051-250200-

FOX VALLEY



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

NWS GREEN BAY  CLEAR     73  46  38 SW3       29.98R

APPLETON       CLEAR     75  46  35 W6        29.99S

OSHKOSH        CLEAR     70  51  51 CALM      29.98F

FOND DU LAC    CLEAR     68  48  48 CALM      29.99F

$$



WIZ022-050-052-250200-

EAST CENTRAL WISCONSIN



CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

EPHRAIM        NOT AVBL

WASHINGTON ISL NOT AVBL

STURGEON BAY   CLEAR     57  53  86 S10       30.01R

MANITOWOC      CLEAR     56  56 100 S9        30.03R FOG

SHEBOYGAN      CLEAR     60  54  80 S7        30.02R

$$



LMZ563-521-522-541>543-250200-

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 0000   51     170/ 12/ 13 1017.0R

KEWAUNEE LKSHORE 0030          180/  9/ 12 1016.0S

NORTHPORT PIER   0000          120/  9/ 11 1016.9

MENOMINEE LKSHOR 0030   58 60  150/ 16/ 19 1014.8F

$$

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.