Oostburg, WI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Oostburg, WI

June 19, 2024 8:55 AM CDT (13:55 UTC) Change Location
Sunrise 5:07 AM   Sunset 8:37 PM
Moonrise 6:45 PM   Moonset 2:54 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.

Marine Forecasts
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LMZ643 Sheboygan To Port Washington Wi- 705 Am Cdt Wed Jun 19 2024

Today - Southwest wind 10 to 15 knots with gusts to around 20 knots backing south early in the afternoon, then becoming southwest 5 to 10 knots late in the afternoon. Slight chance of Thunderstorms early in the afternoon. Chance of showers in the afternoon. Chance of Thunderstorms late in the afternoon. Waves 3 to 4 feet subsiding to 1 to 2 feet in the afternoon.

Tonight - Northwest wind 5 to 10 knots veering north late in the evening, then rising to 10 to 15 knots after midnight becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Areas of dense fog. Chance of showers and Thunderstorms. Waves 1 to 2 feet.

Thursday - Northeast wind 10 to 15 knots. Gusts up to 20 knots in the morning. Patchy dense fog through the day. Chance of Thunderstorms in the morning. Chance of showers through the day. Slight chance of Thunderstorms in the afternoon. Waves 2 to 4 feet.

Thursday night - North wind 10 to 15 knots easing to 5 to 10 knots after midnight. Slight chance of Thunderstorms through around midnight. Chance of showers through the night. Chance of Thunderstorms after midnight. Waves 1 to 2 feet.

LMZ600
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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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FXUS63 KMKX 190956 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 456 AM CDT Wed Jun 19 2024

KEY MESSAGES

- There will be chances for storms this morning over central WI and then again from the mid afternoon into the evening for all of southern WI. On and off thunderstorm chances will then continue into this weekend.

- Heat index values will be in the mid 90s over southeast WI today. Head index values will be back in the mid 90s this Friday and Saturday.

- A moderate swim risk may occur Thursday morning at Sheboygan County beaches.

SHORT TERM
Issued 441 AM CDT Wed Jun 19 2024

Today through Thursday:

A cold front is expected to slowly sink southeast over the state today. Currently, a weak 500mb wave along the front is causing an area of shower and storm activity over NE IA. This activity should continue northeast into central WI this morning and fade with time. There should be a bit of a lull in activity as the front continues southeast, but by the mid afternoon, convergence along the front and the breaching of convective temps should allow for scattered thunderstorms to form over much of southern WI. Shear will be weak with effective bulk shear only around 10 knots, but shallow inverted v soundings in the lowest 1 to 2 km and PWATs in excess of 1.6 to 1.8 inches will cause torrential downpours and the possiblity of downbursts with any storms that form.

Scattered shower and storm activity will continue into the overnight hours and into Thursday morning as the front slowly sags south and stalls in northern IL. Thursday will actually feel cool in comparison to the past few days, as cloud cover, rain and northeasterly flow off of Lake Michigan will dull daytime highs. Highs will be in the 70s over most of southern WI, with 80s near the WI/IL border. Dew points will remain elevated however, keeping some soupiness in the air.

CMiller

LONG TERM
Issued 441 AM CDT Wed Jun 19 2024

Thursday night through Tuesday:

Lee troughing along the Rockies is anticipated to create an area of low pressure over the Nebraska panhandle by Thursday night. WAA in association with circulation around this low will bring another surge of warmth north for Friday and Saturday with daytime highs in the mid to upper 80s for Friday and the upper 80s to low 90s for Saturday. Heat indices will reach the 90s both days owing to lingering dew points near 70. The broad WAA over the upper midwest to central plains is expected to promote further chances for convection Thursday night into Saturday morning with the NBM painting broad PoPs of 30 to 45% over southern WI.

Models are still keying in on a cold frontal passage Saturday evening with 60 to 70% PoPs as the afformentioned low deepens and approaches Lake Superior. Timing of the front would suggest some of the storms would be strong, but GFS soundings are currently ho-hum, with only 25 knots of effective bulk shear, mid level lapse rates around 6 C/km, 1600 J/kg of SBCAPE, and weak flow evident in the hodographs. This paired with boundary parallel shear would drive quick upscale growth into a squall line along the front Saturday night. We'll continue to monitor the storm threat as the weekend draws closer.

Beyond, temperatures "cool" in the low 80s Sunday and Monday as high pressure sink south into the area behind the front, but heat may return by Tuesday as ridging returns.

CMiller

AVIATION
Issued 423 AM CDT Wed Jun 19 2024

Scattered cloud cover is expected today with a mix of high to low VFR. Showers and storms are expected over central WI this morning, then over most of southern WI during the mid afternoon into the evening as a front slowly sags southeast over the area.
Tonight, low ceilings are expected in the post frontal air mass, with cloud bases ranging from 1500 to 2500 feet. Some patchy marine fog may creep inland at KMKE tonight, but certainty regarding timing is low at the moment.

Winds will start the day southwesterly and a bit breezy, and will shift northwesterly between 18z and 00z as the front moves through. Speeds should ease with the wind shift. Winds overnight will remain light and north to northeasterly.

CMiller

MARINE
Issued 415 AM CDT Wed Jun 19 2024

A cold front will gradually sink east-southeast over Lake Michigan through today as low pressure approaches James Bay in Canada. Modest southerly to southwesterly winds will prevail through today until winds come around to northerly tonight following the front. In the post-frontal air mass, some areas of marine fog may form tonight.

North to northeast winds should then linger into Thursday night, as high pressure moves toward Lake Superior.

CMiller

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




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
45218 7 mi55 minW 7.8G9.7 65°F 51°F3 ft30.12
SGNW3 - Sheboygan, WI 8 mi55 minWSW 13G16 77°F 30.10
PWAW3 - Port Washington, WI 20 mi75 minW 11G15 80°F 30.14
45013 38 mi85 minW 12G16 72°F 48°F1 ft30.12
45210 44 mi59 min 63°F 58°F4 ft
MLWW3 - Milwaukee, WI 45 mi45 minWSW 9.9G13 81°F


Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KSBM SHEBOYGAN COUNTY MEMORIAL,WI 14 sm62 minWSW 1110 smA Few Clouds75°F66°F74%30.13
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Wind History graph: SBM
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Green Bay, WI,




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