Williams Bay, WI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Williams Bay, WI

February 20, 2024 4:45 PM CST (22:45 UTC) Change Location
Sunrise 6:41 AM   Sunset 5:33 PM
Moonrise 2:36 PM   Moonset 6:02 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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Marine Forecasts
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LMZ646 Wind Point Wi To Winthrop Harbor Il- 306 Pm Cst Tue Feb 20 2024

Through early evening - South wind 10 to 15 knots. Sunny. Waves 2 to 4 feet.

Tonight - South wind 10 to 15 knots with gusts to around 20 knots veering southwest after midnight, then backing south early in the morning. Mostly clear through around midnight then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.

Wednesday - South wind 10 to 15 knots becoming southwest 5 to 10 knots late in the afternoon. Partly Sunny. Waves 1 to 2 feet.

Wednesday night - Southwest wind 5 to 10 knots veering northwest early in the morning. Mostly cloudy. Waves around 1 foot.

Thursday - North wind 10 to 15 knots. Slight chance of rain in the morning. Waves around 1 foot.
wave heights are for ice free areas.

LMZ600
No data


7 Day Forecast for Marine Location Near Williams Bay, WI
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Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 201527 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 927 AM CST Tue Feb 20 2024

KEY MESSAGES

- Above normal temps continue through the middle of the week, followed by a brief cool down. A warming trend returns late this weekend into next week with high (>70%) probabilities of well above- normal temps across southern WI.

- No impactful weather is expected through this weekend. Rain chances return early next week.

UPDATE
Issued 927 AM CST Tue Feb 20 2024

The dense fog that developed early this morning and lingering into the morning commute across east central Wisconsin has dissipated an hour or two after sunrise. The shallow moisture layer that resulted in the fog evaporated as temperatures begin to rise away from the dew points. The forecast is still on track with warmer temperatures moving in today as a warm front moves into the state.

Patterson

SHORT TERM
Issued 419 AM CST Tue Feb 20 2024

Today through Wednesday:

Synopsis/Mesoanalysis: Mostly clear skies and light surface winds currently prevail across the area, which is supporting another night of efficient radiational cooling. Thanks to a lingering snow pack & deeper near-surface moisture, dense fog developed around midnight over portions of Sheboygan, Fond du Lac, Washington, and Ozaukee Cos, and has built into northern portions of Waukesha and Milwaukee Cos as of 3 AM. Said fog is expected to last through mid-morning, with a Dense Fog Advisory in effect through 9 AM in the aforementioned counties. To our west, early morning surface observations place a broad area of low surface pressures from southern MN northwest into the eastern Dakotas. Several weak surface lows have been analyzed within said area of reduced pressures, with the one most relevant to the local short term pattern currently evident to the west of Willmar, MN. A diffuse warm front extends southeast from the low, serving as a rough demarcation between surface temperatures in the low to mid 30s over northeastern IA and cooler readings in the low-mid 20s over southwestern WI. Said warm front will continue to nudge east into southwestern and south- central WI this afternoon, working completely through the region tonight as it gets picked up by a surface low developing near/northeast of Lake Superior. Winds will turn southwest behind the boundary, allowing a mild air mass to advect into southern WI from the Central Plains. Well above-normal high temperatures will thus prevail today and tomorrow.

Rest Of The Overnight: Dense fog will continue to persist from northern Waukesha/Milwaukee Cos into Fond du Lac and Sheboygan Counties, with lowest (< 1/4 mi) visibilities expected to remain along/east of the I-41 Corridor. A Dense Fog Advisory remains in effect through 9 AM over this portion of the area. With surface temperatures in the low to mid 20s, embedded pockets of freezing fog are possible, which could lead to slick spots on untreated surfaces.
Slow down, use low beam headlights, and allow for extra following distance if driving through areas of dense fog/freezing fog during the morning commute.

Today & Tomorrow: Well above-normal high temperatures will prevail during each afternoon period as a warm front gradually works through southern Wisconsin. While some disagreement remains amongst the available guidance regarding precise forward progress of the boundary through today, a broad consensus points toward the boundary not making entirely east of the area until overnight tonight/early Wednesday morning. Have thus reflected this in the MaxT grids, which show the warmer of the two periods on Wednesday PM, when the entirety of the region will be under the influence of southwest surface flow and WAA from the Central Plains.

Quigley

LONG TERM
Issued 419 AM CST Tue Feb 20 2024

Wednesday night through Monday:

Synopsis: Weak low pressure will continue to nudge east along the Ontario-Quebec border Wednesday night into Thursday morning, dragging a cold front across the area in the process. Precipitation is not expected during the frontal passage. Winds will turn northwesterly behind the boundary on Thursday, though above normal high temperatures will continue in the presence of only weak cold air advection. An upper trough will dig into the southern Hudson Bay Thursday night, encouraging surface cyclogenesis over Quebec. The newly-developed surface low will continue to deepen during the day on Friday as it progresses into the Canadian Maritimes, compressing the pressure gradient across the western Great Lakes. Gusty northwest winds will thus prevail across the area on Friday, with cooler high temperatures and blustery conditions expected. The cooler temperatures will be short-lived, as winds will turn back out of the west-southwest this weekend as low pressure progresses from the Canadian Prairie Provinces toward the Hudson Bay. An area of pronounced troughing will dig into the western CONUS by the beginning of next week, with an attendant upper jet swinging from the Four Corners to the western Great Lakes. Breezy southerly flow will prevail as cyclogenesis proceeds beneath the digging trough over the Northern Plains, resulting in continued well-above normal high temperatures. Positioned favorably beneath the encroaching upper jet, precipitation chances will return during this portion of the long term period.

Quigley

AVIATION
Issued 927 AM CST Tue Feb 20 2024

VFR conditions are expected to persist through the period. Some high level clouds will traverse the area through the afternoon.
Otherwise clear skies will persist until around midnight when more high level clouds move in from the west. Southerly winds will be breezy at time through this afternoon with gusts up to 20 knots(23 MPH). Winds will shift to southwesterly late this evening. There is a small window for some borderline low level wind sheer across southwestern Wisconsin as the winds become southwesterly. Kept mention out of the TAFs due to the low chance (10% or less). South to southwest winds will persist through Wednesday.

Patterson

MARINE
Issued 419 AM CST CST Tue Feb 20 2024

Southerly winds -- breezy at times -- will continue through this afternoon as a weak, 1015 mb low pressure center lingers along the Minnesota-Iowa border. Winds will turn southwesterly tonight over the open waters as a warm front crosses the lake from west to east.
Southwest winds will continue through Wednesday. A cold front will cross the open waters late Wednesday night, resulting in a northwest wind shift by sunrise Thursday morning. Readings are expected to remain light throughout the day on Thursday, prior to gusts picking up on Friday as a 990 mb low pressure develops over Quebec & contracts the pressure gradient regionally. Gusts will remain below gale-force. Winds will oscillate between southwesterly and westerly this weekend as a 992 mb low pressure center moves from central Canada toward the Hudson Bay.

Quigley

MKX WATCHES/WARNINGS/ADVISORIES
WI...None.
LM...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
KNSW3 - Kenosha, WI 37 mi45 min SSE 7G7 41°F 30.06
WHRI2 - Waukegan Harbor, IL 39 mi105 min S 8.9G9.9
MLWW3 - Milwaukee, WI 45 mi45 min SSE 11G12 44°F


Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KBUU BURLINGTON MUNI,WI 14 sm50 minSSW 13G2010 smClear55°F28°F35%30.04
Link to 5 minute data for KBUU


Wind History from BUU
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Tide / Current for
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Weather Map
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GEOS Local Image of great lakes   
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Milwaukee, WI,



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