Kewaunee, WI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Kewaunee, WI

April 19, 2024 4:10 PM CDT (21:10 UTC) Change Location
Sunrise 5:57 AM   Sunset 7:41 PM
Moonrise 3:33 PM   Moonset 4:30 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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LMZ542 Sturgeon Bay To Two Rivers Wi-two Rivers To Sheboygan Wi- 357 Pm Cdt Fri Apr 19 2024

.small craft advisory in effect until 7 pm cdt this evening - .

Rest of this afternoon - W wind 15 to 25 kts with gusts to around 30 kts. Mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft early in the evening.

Tonight - W wind 10 to 20 kts with a few gusts to around 25 kts. A chance of sprinkles and flurries after midnight. Waves 1 to 3 ft. A small craft advisory may be needed.

Saturday - W wind 10 to 20 kts with gusts to around 25 kts. A chance of flurries in the morning. A chance of sprinkles. Waves 2 ft or less.

Saturday night - W wind 5 to 10 kts increasing to 10 to 20 kts after midnight. Clear. Waves 2 ft or less.

Sunday - W wind 10 to 20 kts. Mostly Sunny. Waves 2 ft or less.

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7 Day Forecast for Marine Location Near Kewaunee, WI
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Area Discussion for - Green Bay, WI
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Area Forecast Discussion National Weather Service Green Bay WI 200 PM CDT Fri Apr 19 2024

Forecast discussion for routine afternoon forecast issuance


- Gusty west winds of 30 to 40 mph over central to northeast Wisconsin this afternoon will create conditions hazardous to small craft and may blow loose objects around.

- Scattered snow showers could result in briefly reduced visibilities into early this evening over north-central Wisconsin. Any snow accumulation will be minimal.

- Elevated fire weather conditions are possible on Sunday and Monday afternoons due to low relative humidities ranging from 25 to 30 percent and sustained winds of 10 to 20 mph.

- Next chance for precip returns late Monday through late Tuesday.
Rain will be the main precipitation type, but some snow may mix in across the far north on Tuesday.

Issued at 200 PM CDT Fri Apr 19 2024

Short Term...Tonight and Saturday

Breezy day across much of the area. Peak gusts have reached around 40 mph at times, especially central to east-central Wisconsin.
Clouds have steadily built from northwest to southeast as vigorgous shortwave within broad upper trough works toward the area. Thus far, snow showers over north-central WI have been very isolated and light. Given steep low-level lapse rates (9-10c/km in lowest 1.5km) and the approaching sharp PV anamoly/shortwave, expect snow showers to increase especially over north-central WI along and north of the track of the wave. Not much for snow accumulations, but brief lower visibility could occur as has occurred upstream today at times in northeast MN. These diurnally enhanced snow showers will fade away early this evening.

Then, later this evening and overnight, more snow showers or flurries could occur again mainly northern areas as another embedded shortwave within the larger scale trough rotates across. This wave along with deeper moisture (to H6) and NW winds flowing across western Lake Superior with H85 temps down to -9c to -11c (water temps of 3-4c) should result in at least scattered snow showers due to weak lake enhancement and upslope lifting into north-central WI. Snow accumulations will be minor, generally under an inch over Vilas County. Chilly night no matter where you are at with readings in the mid 20s northern Wisconsin, to only the lower 30s from the Fox Valley to the lakeshore.

On Saturday, we'll be in wake of the shortwave moving through tonight so there will probably be subsidence to start the day.
Even so, we'll also be on the edge of the thermal trough and there will be sufficient low-level moisture. Liked and retained previous shifts idea of adding some small chancy pops for light snow showers/sprinkles with coverage maxing out late morning into the early afternoon. NW winds will be breezy, though not as strong as we have seen today. High temperatures will range from the lower 40s north-central WI, to the mid to upper 40s elsewhere.

Long Term...Saturday Night Through Friday

Precipitation...Quiet weather remains expected for the second half of the weekend as an upper trough slowly lifts to the northeast.
Then a shortwave energy and an associated surface low will bring precipitation to the region during the late Monday afternoon through Tuesday time frame.

The shortwave is looking more disjointed in the latest forecast cycle and the large spread with the timing/strength of the impulse makes it difficult to add high resolution to the forecast.
Regardless, guidance generally points to around 0.15 to 0.30 inches of precipitation, which is trending down compared to the forecast yesterday.

Still think that dynamics are relatively robust given the 40+ kt low level jet and mid-level lapse rates of 7 C/km will accompany the shortwave. That could lead to a few thunderstorms, but probability looks low at this time.

Probabilities remain low (less than 20%) for snow on the backside of the system across northern WI on Tuesday. If snow were to occur, warm temperatures during the daylight hours would lead to near zero impacts.

Another chance of precipitation will occur late next week from a southern stream system.

Temperatures: Will be on a roller coaster ride over the next week, but no anomalous cold or heat is expected.

for 18Z TAF Issuance Issued at 1245 PM CDT Fri Apr 19 2024

Isolated to scattered snow showers will increase this afternoon and into early this evening, especially north of and west of the Fox Valley. Generally MVFR to lower VFR conditions will occur with these snow showers. However, based on upstream observations over northeast Minnesota, brief IFR visibility is possible during heavier snow showers. Greatest risk of this will be at RHI rest of the afternoon. Elsewhere though sunset, VFR clouds will continue to spread in from the north and west. Lingering snow shower activity will decrease in the evening across much of the area, but could linger across north-central Wisconsin.

On Saturday, MVFR conditions over north-central Wisconsin will improve to VFR in the afternoon. It will be VFR elsewhere. There may be just a few light rain/snow showers at times.

Concerning winds, surface winds will remain gusty through late this afternoon with west winds gusting to 25-35 knots. Winds will slacken off a bit tonight into Saturday, with gusts of 15-20 knots expected.

Issued at 200 PM CDT Fri Apr 19 2024

Moderating temperatures and a dry airmass will lead to elevated fire weather days on Sunday and Monday. Winds will be a little stronger on Sunday compared to Monday with sustained values of 15-20 mph and gusts up to 30 mph (sustained winds 10-15 mph with gusts to 25 mph on Monday). While elevated fire weather conditions will be present each day, concern is a little higher on Sunday due to slightly stronger winds.

Another period of elevated fire weather conditions is possible next Wednesday and Thursday as a Hudson Bay high pressure system moves into the region. PWATs are forecast to be 20% of normal according to the GFS ensemble. Because of the proximity of the high, winds will likely be below critical criteria.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
KWNW3 - 9087069- Kewaunee, WI 1 mi52 min W 16G24 48°F 29.91
GBWW3 28 mi52 min W 13G18 47°F 29.91
MN4 - 9087088 - Menominee, MI 45 mi52 min W 9.9G16 43°F 51°F29.9027°F

Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMTW MANITOWOC COUNTY,WI 24 sm14 minW 16G2710 smMostly Cloudy52°F25°F35%29.95
Link to 5 minute data for KMTW

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

Green Bay, WI,

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