Monona, WI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Monona, WI

December 8, 2023 11:47 PM CST (05:47 UTC)
Sunrise 7:14AM   Sunset 4:24PM   Moonrise  3:34AM   Moonset 2:44PM 

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Marine Forecasts
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LMZ644 Port Washington To North Point Light Wi- 1105 Pm Cst Fri Dec 8 2023
.small craft advisory in effect from 6 am cst Saturday through Saturday afternoon...
Rest of tonight..South wind 5 to 10 knots rising to 10 to 15 knots after midnight, then becoming south 10 to 15 knots early in the morning. Rain after midnight. Patchy fog early in the morning. Waves 1 to 2 feet building to 2 to 4 feet early in the morning.
Saturday..Southwest wind 15 to 20 knots veering west late in the morning, then backing southwest in the afternoon. Gusts up to 25 knots. Chance of rain in the morning. Waves 2 to 4 feet.
Saturday night..West wind 15 to 20 knots veering northwest early in the morning. Gusts up to 25 knots. Slight chance of snow after midnight. Waves 1 to 2 feet.
Sunday..Northwest wind 15 to 25 knots becoming 15 to 20 knots in the afternoon. Partly Sunny. Waves 2 to 4 feet.
wave heights are for ice free areas.

No data

7 Day Forecast for Marine Location Near Monona, WI
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Area Discussion for - Milwaukee/Sullivan, WI
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Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 851 PM CST Fri Dec 8 2023

(Issued 851 PM CST Fri Dec 8 2023)

Lower clouds are starting to build across the region this evening, ahead of an area of rain that is developing across eastern Iowa and western Illinois. This rain will continue to expand northward over the next few hours, with widespread light to moderate rain expected overnight. A few rumbles of thunder will be possible over far southeastern Wisconsin as well. Rain looks to come to an abrupt end mid morning tomorrow, as a dry slot noses into the region. Gusty west winds are also expected late tonight and tomorrow, with gusts int the 20-25 MPH range.


(Issued 250 PM CST Fri Dec 8 2023)

Tonight and Saturday:

After an unseasonably warm end to the week, our sunshine will give way to rain. Overnight, a dynamic low pressure system will propagate northeastward and latch on to a larger trough currently towards our northwest. As this low traverses northeastward, rain will begin overnight heading into the morning. Values of rain will be greater along south-central to eastern Wisconsin, with probabilities hovering around 80% for .5 inches along an axis extending from the Wisconsin/Illinois border towards Sheboygan.

Gusty southwest winds and clearer skies will follow the passage of this system as it continues to retreat towards the northeast.
Anticipate cooler temperatures, with higher temperatures remaining near the upper 40s by the lakeshore.


(Issued 250 PM CST Fri Dec 8 2023)

Saturday night through Friday:

Dry slot that persists through most of Saturday pushes out by Saturday night and the secondary surface low deepens and lifts northeast. There looks to be enough moisture on the backside of the departing low for a few scattered, more cellular showers Saturday night. This will align with the colder airmass and result in mostly snow. Given the overnight timing and colder airmass, impacts will be limited, but may be enough to accumulative on untreated roadways especially with any brief bursts of heavier snow.

Otherwise, the extended forecast from Sunday onward is looking fairly less active with upper level ridging and a series of surface high pressures dominating the forecast. Temps will be cooler and closer to normal, but may trend warmer toward the later half of next week.


(Issued 851 PM CST Fri Dec 8 2023)

MVFR ceilings are expanding across the region this evening. IFR conditions are expected overnight, with both low clouds and restricted visibility as light to moderate rain overspreads the region. Areas of LIFR are possible as well, along with the potential for a couple of isolated thunderstorms over far southeastern Wisconsin.

Winds will become gusty from the west late tonight and Saturday morning, with rain ending mid morning. The gusty winds will continue for much of the day on Saturday.


(Issued 250 PM CST Fri Dec 8 2023)

South winds up to 15-20 knots will continue as low pressure around 29.3 inches gradually moves east over Ontario. A secondary area of low pressure currently over Oklahoma will drift northeast over south central Wisconsin tonight and advance over Lake Michigan early morning Saturday. Winds will shift west/southwest and become brisk by late Saturday morning. A cold frontal passage Saturday night will shift the winds to brisk northwesterly that will last through Sunday.


Small Craft Advisory
LMZ645-LMZ646...3 AM Saturday to 6 PM Saturday.

Small Craft Advisory...LMZ643-LMZ644...6 AM Saturday to 6 PM Saturday.

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMSN DANE COUNTY RGNLTRUAX FIELD,WI 5 sm54 mincalm9 smMostly Cloudy45°F41°F87%29.64

Wind History from MSN
(wind in knots)

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GEOS Local Image of Upper Mississippi Valley   

Milwaukee, WI,

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