Oostburg, WI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Oostburg, WI

April 14, 2024 10:17 PM CDT (03:17 UTC) Change Location
Sunrise 6:06 AM   Sunset 7:35 PM
Moonrise 10:08 AM   Moonset 1:55 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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LMZ643 Sheboygan To Port Washington Wi- 905 Pm Cdt Sun Apr 14 2024

Rest of tonight - North wind 5 to 10 knots backing northwest early in the morning. Clear. Waves around 1 foot.

Monday - West wind 5 to 10 knots veering north late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Sunny. Waves around 1 foot.

Monday night - Northeast wind 5 to 10 knots rising to 10 to 15 knots after midnight, then veering east early in the morning. Partly cloudy. Waves 1 to 2 feet.

Tuesday - East wind 10 to 15 knots rising to 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Slight chance of showers in the morning, then showers likely in the afternoon. Waves 3 to 4 feet building to 4 to 6 feet.

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7 Day Forecast for Marine Location Near Oostburg, WI
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Area Discussion for - Milwaukee/Sullivan, WI
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Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 947 PM CDT Sun Apr 14 2024


- Above normal temps and sunny weather continue on Monday.

- Severe thunderstorm potential decreasing Tuesday as system slows down and delays the onset of precipitation.

Issued 945 PM CDT Sun Apr 14 2024

Thermal contrast between the land and lake coupled with weak synoptic wind flow on Monday should develop a lake breeze (similar to what occurred earlier today), which is expected to hold daytime highs to the 60s in lakeshore counties Monday afternoon, while southern and western areas of the CWA reach the low 70s. Late Monday afternoon, the synoptic wind flow turns easterly in advance of the approaching low pressure system, allowing the lake breeze boundary to sweep the rest of the way westward through the CWA, resulting in a more rapid cool down Monday evening. Clouds approach Monday night to hold overnight lows in the 40s.


Issued 306 PM CDT Sun Apr 14 2024

Tonight through Monday night:

As high pressure builds in from the west and moves overhead tonight. Dry weather is expected to continue across southern Wisconsin. Elevated fire weather concerns will continue through across the northwestern portions of our forecast area through this evening. For additional details on the elevated Fire weather look for the Fire Weather section below. Winds will become light and variable through Monday morning until the high pressure begins to exit heading toward the New England States.

While clear skies are expected to persist Monday, temperatures will be a bit cooler than today. Lakeshore areas will be kept cooler do to the northeast to east wind. Overall southern Wisconsin will be a bit cooler due to the light winds, decreased mixing and lack of any WAA. While cooler than today, temperatures are still expected to top out in the mid 60s to low 70s.


Issued 306 PM CDT Sun Apr 14 2024

Monday night through Sunday:

The low pressure system over the central Plains early this week has continued to slow down its progression northeastward.
This has resulting in delayed onset of rain/storms for Tuesday.
As this low tracks toward the Great Lakes Region the associated sfc warm front will initially kick off the rainfall. With a further delay on the onset, Tuesday morning looks to be the earliest this could begin with a few guidance runs suggesting parts of the area may not see rain until Tuesday afternoon. It is still looking likely(roughly 80% chance) that the line of storms along the warm front will have a few thunderstorms embedded within however, the window for severe weather is decreasing as this system continues to slow down.

While rain chances remain high Tuesday and Wednesday due to the increasing moisture and good lift (both from upper level PVA, LLJ and WAA). As the system onset becomes delayed the likelihood of getting a period of time for the atmosphere to recover and become more unstable with warmer conditions is decreasing. The uncertainty now is becoming how much instability could we muster behind the warm front if it can efficient lift north.
The lake will likely play a roll as well as the predominately easterly winds expected during this time will likely (80% or more) impact temperatures and instability near the surface.

Heading into Thursday this system will begin to pull out of the Great Lakes Region trekking northeast. Some rain showers could linger as a wave of upper level PVA rolls through. There will still be some good mid level moisture present across southern Wisconsin during the time, which could lead to some isolated to scattered showers. For the weekend, high pressure will return bringing with it a cooler air mass. While dry conditions are anticipated, temperatures will likely remain in the 50s for the weekend.


Issued 945 PM CDT Sun Apr 14 2024

VFR conditions continue through Monday under mostly clear skies.
Light and variable winds expected overnight as a high pressure system approaches from the northwest. A slow north wind develops late Monday morning, then (around noon) a lake breeze front will slowly begin to drift inland from Lake Michigan. TAFs for KSBM, KMKE, and KENW currently indicate a 2PM to 3PM arrival for this front (accompanied by a wind shift to due east), models disagree on the arrival time by an hour or two but this remains our best guess. Gusty east winds gradually overtake the whole region (from west to east) late Monday night ahead of an approaching low pressure system.


Issued 306 PM CDT Sun Apr 14 2024

High pressure is building in across the western Great Lakes Region today. Breezy northwest winds this afternoon/evening will become light and variable overnight as the high pressure moves overhead. Monday afternoon winds will become east to northeasterly as high pressure continues eastward and the next system in the central plains advances northeast.

Gusty southerly winds are expected to return by Tuesday over the open waters with gales becoming more likely Tuesday into Wednesday. Some thunderstorms are possible across largely the southern portion of the lake during this period.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
SGNW3 - Sheboygan, WI 8 mi18 min N 14G16 48°F 29.83
PWAW3 - Port Washington, WI 20 mi38 min 0G0 54°F 29.83
MLWW3 - Milwaukee, WI 45 mi38 min SW 1G2.9 57°F

Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSBM SHEBOYGAN COUNTY MEMORIAL,WI 14 sm24 minNNE 1010 smClear46°F36°F66%29.84
Link to 5 minute data for KSBM

Wind History from SBM
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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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