Lake Winnebago Forecast                                       About these forecasts


 

The recreational forecast for Lake Winnebago will return on May 1.

 

 

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

             
000
ASUS43 KGRB 230459
RWRGRB

NORTH-CENTRAL AND NORTHEAST WISCONSIN REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE GREEN BAY WI
1200 AM CDT TUE SEP 23 2014

WIZ005-009-010>012-018-019-230600-
NORTH CENTRAL WISCONSIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
IRONWOOD       CLEAR     54  48  82 SW6       30.14S
MANITOWISH WTR NOT AVBL
ARBOR VITAE    NOT AVBL
EAGLE RIVER    NOT AVBL
LAND O LAKES   NOT AVBL
RHINELANDER    CLEAR     49  48  97 W6        30.20S
PHILLIPS       CLEAR     45  44  97 CALM      30.20S
ANTIGO         NOT AVBL
TOMAHAWK       NOT AVBL
MERRILL        NOT AVBL
$$

WIZ013-073-230600-
NORTHEAST WISCONSIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
IRON MOUNTAIN  CLEAR     49  46  90 CALM      30.15R
MARINETTE      CLEAR     54  48  82 W6        30.17S
$$

WIZ017-030-035>037-045-230600-
CENTRAL WISCONSIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MEDFORD        NOT AVBL
WAUSAU         CLEAR     50  48  93 CALM      30.20S
MOSINEE        CLEAR     48  48 100 CALM      30.23S
MARSHFIELD     CLEAR     50  47  89 CALM      30.21F
WISC RAPIDS    FOG       48  47  96 CALM      30.23S VSB 1/2
STEVENS POINT  NOT AVBL
WAUPACA        NOT AVBL
SHAWANO        CLEAR     53  49  89 CALM      30.20S
CLINTONVILLE   CLEAR     48  46  93 CALM      30.21S
$$

WIZ038-039-048-051-230600-
FOX VALLEY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
NWS GREEN BAY  CLEAR     49  47  93 S3        30.20S
APPLETON       NOT AVBL
OSHKOSH        CLEAR     54  49  83 SW5       30.22S
FOND DU LAC    CLEAR     54  49  83 SW8       30.23S
$$

WIZ022-050-052-230600-
EAST CENTRAL WISCONSIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STURGEON BAY   CLEAR     55  48  76 SW6       30.19S
MANITOWOC      NOT AVBL
SHEBOYGAN      CLEAR     49  46  90 S3        30.22S
$$

LMZ563-521-522-541>543-230600-
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 0400   57 53  240/  6/  6 1023.8R
KEWAUNEE LKSHORE 0400   54     300/  4/  5 1021.5F
NORTHPORT PIER   0400   60     260/  5/ 10 1021.0F
N MID LAKE BUOY  0400   58 57  230/ 16/ 17 1021.0R         3/ 4
S GREEN BAY BUOY 0400   60     VRB 10/ 12  1022.9F
CHAMBERS ISLAND  0400   57     210/  5/ 10 1021.3F
MENOMINEE LKSHOR 0400   58     240/  7/ 10 1022.2S
$$


 

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

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, May 1 through October 31. 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 w-grb.webmaster@noaa.gov with any suggestions, comments or questions.


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