South Milwaukee, WI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for South Milwaukee, WI

April 17, 2024 5:33 PM CDT (22:33 UTC) Change Location
Sunrise 6:03 AM   Sunset 7:38 PM
Moonrise 1:29 PM   Moonset 3:46 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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LMZ645 North Point Light To Wind Point Wi- 506 Pm Cdt Wed Apr 17 2024

.small craft advisory in effect until 1 am cdt Thursday - .

Tonight - West wind 15 to 20 knots with gusts to around 30 knots becoming west 15 to 20 knots with gusts to around 25 knots late in the evening, then easing to 10 to 15 knots with gusts to around 20 knots after midnight. Cloudy through around midnight then becoming partly cloudy. Waves around 1 foot.

Thursday - West wind 5 to 10 knots veering northwest late in the morning, then backing southeast early in the afternoon backing east late in the afternoon. Chance of showers in the morning, then showers likely in the afternoon. Waves around 1 foot.

Thursday night - Northwest wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 20 knots after midnight. Rain showers through around midnight. Waves around 1 foot.

Friday - West wind 10 to 15 knots rising to 15 to 20 knots with gusts to around 25 knots late in the morning, then becoming 15 to 25 knots with gusts to around 30 knots in the afternoon. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon.

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7 Day Forecast for Marine Location Near South Milwaukee, WI
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Area Discussion for - Milwaukee/Sullivan, WI
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Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 317 PM CDT Wed Apr 17 2024


- A few showers lingering into this evening, with another round of light rain on Thursday.

- Gusty west winds continue through this evening, with an additional round of gusty winds on Friday.

- Cooler pattern through the weekend may result in frost concerns Saturday night, especially in the Wisconsin River Valley.

- Dry pattern through early next week.

Issued 318 PM CDT Wed Apr 17 2024

Tonight through Friday:

Gusty westerly winds and a few showers lingering near Lake Michigan will remain in play through the remainder of the evening, slowly diminishing tonight as an occluded low pressure system lifts northward and continues to fill. Clouds may scatter out briefly tonight, but a weak surface low propagating across Missouri and central Illinois are expected to bring in additional high clouds and a few rain showers late tonight.
Expect lows in the lower 40s. Rain showers become more numerous due to 850-700 mb frontogenesis, but remain light going into Thursday. A rumble of thunder or two is possible in far southern Wisconsin due to elevated instability aloft within the freezing layer, but not impressive enough to include in the forecast at this time. Widespread accumulations around 0.10 inch are expected, with higher accumulations possible in far southeastern Wisconsin. Still, generally expected accumulations below 0.25 inch. Expect highs in the mid-50s.

Rain exits the region Thursday night, with clearing skies and westerly winds increasing behind the low. Expect overnight lows in the upper 30s. Low pressure then deepens as it departs into the Northeast, leading to gusty westerly winds, clear skies, and cooler conditions through Friday. High temperatures in the lower 50s are expected.


Issued 318 PM CDT Wed Apr 17 2024

Friday night through Wednesday:

Cooler, gusty conditions linger through Friday night into Saturday as low pressure in the northeast continues to bring northwesterly flow through the area. Winds slowly diminish into Saturday night, with temperatures falling to near freezing and resulting in frost potential, especially in the Wisconsin River Valley region. High pressure then builds into the area through the remainder of the weekend, keeping things dry and slowly warming into Monday. Next chances for precipitation move in late Monday into Tuesday as a low pressure system develops in the northern Great Plains and pushes eastward. High pressure looks to assist in slowing the low's progression, keeping precipitation in play through Tuesday. Although the slow warming trend may result in some marginal instability for a few storms to develop Monday evening, generally expecting a very brief period of potential for convection, diminishing quickly into Tuesday as winds turn northwesterly. Wednesday, northwesterly winds and high pressure regain prominence.


Issued 318 PM CDT Wed Apr 17 2024

Ceilings continue to bounce between VFR and around 2000 ft through this evening as low pressure slowly lifts northward out of the region. Scattering is possible briefly late tonight before high clouds move back in ahead of an approaching low pressure system from Missouri to central Illinois. Showers are also expected to develop across southern Wisconsin as this low pushes eastward, with the most widespread chances progressing west to east Thursday morning through Thursday afternoon.
Ceilings in the 2000 to 2500 ft range will also move into the area with this showery activity. Showers taper off Thursday night, with corresponding rises in ceiling heights.

Gusty westerly winds continue through late tonight before slowly diminishing into Thursday morning. Light and variable winds are then expected Thursday and becoming northwesterly overnight.


Issued 318 PM CDT Wed Apr 17 2024

Low pressure over northern Wisconsin will progress into northern Lake Michigan this evening while weakening. Winds will shift accordingly from southwesterly to westerly across the southern half of the lake, while easterly gales slowly diminish in the northern third and easterly winds slowly diminish across the remainder of the northern half. Winds will diminish tonight as the low crosses the lake. A Small Craft Advisory is in effect for southern Wisconsin nearshore regions for gusty winds into tonight. Low pressure then settles over Ontario Thursday night, leading to gusty westerly winds Friday into Saturday.


Gale Warning
LMZ261-LMZ362 until 7 PM Wednesday.

Small Craft Advisory...LMZ643-LMZ644-LMZ645-LMZ646 until 9 PM Wednesday.

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MLWW3 - Milwaukee, WI 7 mi54 min W 17G22 61°F
KNSW3 - Kenosha, WI 24 mi34 min WSW 11G16 59°F 29.72
PWAW3 - Port Washington, WI 32 mi54 min W 15G28 60°F 29.68
WHRI2 - Waukegan Harbor, IL 39 mi94 min WSW 13
45214 44 mi89 min 42°F3 ft

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMKE GENERAL MITCHELL INTL,WI 6 sm41 minW 13G2410 smOvercast61°F48°F63%29.67
KRAC BATTEN INTL,WI 12 sm40 minW 15G3010 smOvercast61°F48°F63%29.70
KMWC LAWRENCE J TIMMERMAN,WI 18 sm48 minW 13G2310 smOvercast59°F48°F67%29.68
KENW KENOSHA RGNL,WI 24 sm40 minW 18G2710 smOvercast61°F50°F68%29.71
Link to 5 minute data for KMKE

Wind History from MKE
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Tide / Current for
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Weather Map
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GEOS Local Image of great lakes   

Milwaukee, WI,

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