Cedar Grove, WI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Cedar Grove, WI


December 4, 2023 1:33 PM CST (19:33 UTC)
Sunrise 7:06AM   Sunset 4:15PM   Moonrise  12:00AM   Moonset 1:27PM 

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Marine Forecasts
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LMZ643 Sheboygan To Port Washington Wi- 105 Pm Cst Mon Dec 4 2023
Rest of today..Northwest wind 5 to 10 knots backing west late in the afternoon. Partly Sunny. Waves around 1 foot.
Tonight..West wind 5 to 10 knots backing southwest late in the evening, then becoming southwest 5 to 10 knots after midnight becoming west early in the morning. Chance of snow after midnight. Waves around 1 foot.
Tuesday..Northeast wind 5 to 10 knots backing north 5 to 15 knots late in the morning, then becoming 10 to 15 knots early in the afternoon becoming north 10 to 15 knots late in the afternoon. Slight chance of rain and snow in the morning. Waves around 1 foot.
Tuesday night..Northwest wind 10 to 15 knots. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet.
wave heights are for ice free areas.

LMZ600
No data


7 Day Forecast for Marine Location Near Cedar Grove, WI
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Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 041713 AAA AFDMKX

Area Forecast Discussion...UPDATED National Weather Service Milwaukee/Sullivan WI 1113 AM CST Mon Dec 4 2023

UPDATE
(Issued 1113 AM CST Mon Dec 4 2023)

Stratus clouds continue to linger across most the area, and should linger into the afternoon. An exception is near Lake Michigan, where an area of clearing has pushed southward and scoured out these clouds. This area should remain clear into the afternoon, before gradually filling back in. Another area just west of the forecast area may push into the far southwestern counties as well by this afternoon, before filling in by early this evening.

12Z model runs from NAM/GFS are showing more potential for liquid QPF of 0.10 inches or higher grazing the counties along the Illinois border later tonight into early Tuesday morning, as the surface low passes by to the southwest. There is enough upward vertical motion from the passing 500 mb shortwave trough/associated differential CVA and low level jet nose at 850 mb to bring the area of light snow through at least southern portions of the area.

It is more uncertain with QPF and measurable snow further north, as the 25th percentile of QPF and snow is zero across that area (and to the south as well), which indicates at least the northern parts of the area may not see any precipitation. Impacts are expected to be minimal for the Tuesday early morning commute, with accumulations under an inch in the far southwest/south counties.

Wood

SHORT TERM
(Issued 301 AM CST Mon Dec 4 2023)

Today through Tuesday:

The main focus in the short term is with the potential for light snow tonight into Tuesday morning.

Currently, weak surface ridging is in place from the southern plains up into southern Wisconsin while a departing low tracks through New England with an inverted surface trough extending west from it back through the southern Great Lakes/southern WI. This feature produced some brief snow showers/flurries overnight as it sagged south into northern IL. Back to the northwest, our next weather system is currently analyzed as a 999mb low over southern Saskatchewan. This low and mid/upper level trough will dig southeastward today into tonight and give us our next chance for some light snow.

Recent model trends are interesting for this system and appears to be a Global model vs Meso model battle. For the global models, there actually is really good agreement between the 04.00z NAM/GFS/ECWMF/GEM with taking the surface low through central Iowa by midnight tonight on into northern Illinois by daybreak Tuesday.
They also all depict snow/precipitation developing across southern Wisconsin during the 3z(9pm) to 9z(3am) timeframe along a NW to SE oriented arc which follows the 500-700mb trough and some deepening/negative tilting that appears to occur during that timeframe. Thermal profiles from the NAM/GFS all show the T/Tw staying below freezing for this event as well, so am expecting the precipitation-type to be all snow for this event. While the dendritic growth zone doesn't look to be too deep at around 100mb, it does happen to be in the area of strongest lift (700-600mb) and winds are not too strong at 15kts or less through the column...so think some dendrites could occur to provide some brief (1-3 hrs)
decent snow rates. QPF amounts from the global models are showing around 0.05" with 90th percentile ECMWF and GEFS ensembles showing 0.15" as a high end amount located more so along the WI/IL border. Liquid to snow ratios look like they'll be somewhere around 10/1, which leads to about a 0.5-1" snowfall. The wrinkle in this is what the past few runs of the HRRR has been showing with the low track trending even further south which actually keeps most of the snow completely south of southern WI. This would obviously knock down snow amounts even further from where they're at now, which isn't too high. The HRRR would actually say that our better chance for any precipitation may be during the day/afternoon on Tuesday as the inverted surface trough passes by.
Regardless, the main thing is that at least some light snow is likely (~60%) tonight, particularly in southern/SW Wisconsin but shouldn't be a big issue.

Halbach

LONG TERM
(Issued 301 AM CST Mon Dec 4 2023)

Tuesday night through Sunday:

With the passing of the system Wednesday, higher pressure will slide through the lower Mississippi Valley, bringing back drier conditions to southern Wisconsin. The higher pressure will slowly exit with lower pressure building across the north central US/south central Canada. This will bring a fairly strong pressure gradient across southern Wisconsin Wednesday evening into Thursday before the low pressure system slides into the northwestern Great Lakes region.

This system is expected to be dry across southern WI due largely to a lack of moisture in the low levels and not much forcing in the upper levels to work with. In addition to the lack of precip there will likely be some clearing skies to allow some pretty good mixing down of the winds especially with a decent LLJ. Overall Thursday should feature some breezy southerly winds and warming temps. This should continue for the most part into Friday as well.
Highs Thursday should (70%) reach the mid 40s to low 50s with Friday looking even slightly warmer with highs in the upper 40s to mid 50s (60%) though Friday appears more uncertain as the progression of the low may (40%) bring the front through and prevent the higher end warm temps.

The passage of the front will bring us back to cooler conditions Saturday and this will also bring in our next chance for precip though chances (20-30%) for most of the area seem fairly slim. A low connected to the system pushing the through the northern Great Lakes will track through the central Mississippi Valley and possibly (40%) clip far southeast WI. This system will definitely be wetter with very good upper level forcing and plenty of moisture to work with. The issue with this system is essentially entirely track related with regards to potential precip, though precip appears likely to remain rain if we do see some precip in our southeast. Sunday looks more interesting with the system as there is significant disagreement among models. The GFS/Canadian ens have the system largely pushing well out to the east with no further precip while the Euro ens shows the potential for the upper low to close and severely slow the system as it gradually lifts north. The Euro track would be very conducive to heavy accumulating snowfall Sunday into Monday across southern WI.
While it is difficult to pinpoint what the system will do it is certainly worthy to note of this potential as we go through this week, but we want to pump the brakes on any excitement until we get a bit closer to the event to better understand how things will develop.

Kuroski

AVIATION
(Issued 1113 AM CST Mon Dec 4 2023)

Low clouds generally 2500 to 3500 feet AGL will continue to linger across most the area into the afternoon and evening, gradually lowering into the 1000 to 2000 foot AGL range. An exception are terminals near Lake Michigan, where an area of clearing has pushed southward and scoured out these clouds. These areas may remain so into the afternoon, before gradually filling back in. Light winds are expected into this evening.

An area of light snow should push through mainly southern portions of the area later this evening into early Tuesday morning. Snow accumulations of under an inch are forecast near the Illinois border south of Janesville, with northern portions of the area, including Sheboygan, perhaps not seeing much if any snowfall.
Snowfall rates should remain under one tenth of an inch per hour for locations near the Illinois border south of Janesville. Any snow will be of the wet/higher liquid content variety.

Ceilings of 500 to 900 feet AGL are generally expected with the light snow overnight into Tuesday morning, possibly lower at times. They should rise to 1000 to 1500 feet AGL Tuesday afternoon after the snow has ended. Visibility values of 1 to 2 miles may occur with the more steady light snow near the Illinois border, with higher values elsewhere. Winds will gradually shift to the north Tuesday.

Wood

MARINE
(Issued 301 AM CST Mon Dec 4 2023)

Generally looking like a lighter wind period over the next few days as a couple ridges of high pressure move through the region through mid week. The next shot at some higher winds appears to be on Wednesday evening after a ridge of high pressure moves through and stronger southerly flow takes hold briefly. Looking like it will be sub-gales, but will have to keep an eye on it. Beyond that, there's quite a bit of uncertainty with the next low pressure system as guidance shows a deepening low to the east of the Great Lakes, which could at least bring some higher winds as colder air gets pulled south on the backside of the low.

Halbach

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
PWAW3 - Port Washington, WI 13 mi53 min NW 2.9G8.9 37°F 30.01
SGNW3 - Sheboygan, WI 14 mi33 min NW 8.9G11 35°F 29.97
45013 33 mi63 min NNW 5.8G7.8 48°F 44°F2 ft30.03
MLWW3 - Milwaukee, WI 40 mi43 min WNW 4.1G5.1 37°F

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Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSBM SHEBOYGAN COUNTY MEMORIAL,WI 13 sm40 minWNW 0810 smPartly Cloudy37°F27°F65%29.96
KETB WEST BEND MUNI,WI 19 sm18 minNW 0610 smOvercast34°F28°F80%29.97

Wind History from SBM
(wind in knots)



Tide / Current for
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Milwaukee, WI,



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