Sunday, March7, 2021
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Marine Weather and Tides
Fontana-on-Geneva Lake, WI

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:16AMSunset 5:52PM Sunday March 7, 2021 2:52 PM CST (20:52 UTC) Moonrise 3:52AMMoonset 12:47PM Illumination 33% Phase: Waning Crescent; Moon at 24 days in cycle
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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LMZ646 Wind Point Wi To Winthrop Harbor Il- 106 Pm Cst Sun Mar 7 2021
Rest of today..Southeast wind 10 to 15 knots. Partly Sunny. Waves 1 to 3 feet.
Tonight..South wind 10 to 15 knots rising to 15 to 20 knots late in the evening, then becoming south 15 to 20 knots after midnight veering southwest early in the morning. Mostly clear. Waves 2 to 4 feet.
Monday..Southwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 10 to 15 knots late in the morning, then veering west early in the afternoon easing to 5 to 10 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to around 1 foot in the late morning and afternoon.
Monday night..West wind 5 to 10 knots veering north late in the evening, then veering southeast after midnight becoming southeast 5 to 10 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves nearly calm. Wave heights are for ice free areas.
LMZ646 Expires:202103072300;;619751 FZUS53 KMKX 071906 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 106 PM CST Sun Mar 7 2021 For waters within five nautical miles of shore on Lake Michigan LMZ646-072300-


7 Day Forecast for Marine Location Near Fontana-on-Geneva Lake, WI
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location: 42.55, -88.56     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 072009 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 209 PM CST Sun Mar 7 2021

SHORT TERM. (Issued 210 PM CST Sun Mar 7 2021)

Tonight through Monday night:

Temperatures this afternoon have reached the low to mid 40s, with filtered sunshine as a batch of cirrus moves through the region.

A shortwave approaching from the Dakotas will pass through the area tonight, pushing a weak surface trough into southern Wisconsin, with winds becoming light from the west. Will need to watch for patchy fog tomorrow morning in a few spots, especially where the remaining snow pack is most widespread. Lows tonight should reach the low to mid 30s.

Continued warm advection will help boost temperatures into the 50s tomorrow, with a few 60s not out of the question south and west of Madison. Lows tomorrow night will again fall into the low to mid 30s.

Boxell

LONG TERM. (Issued 210 PM CST Sun Mar 7 2021)

Tuesday through Sunday:

Deepening low pressure over the central and northern Plains will allow the surface warm front to lift north into the area Tuesday, and continue to mix northward on Wednesday. Highs both days are expected to be in the low 60s for most locations, with readings perhaps just a touch warmer on Wednesday. South to southwest winds will be breezy both days, but especially on Wednesday, with some gusts in the 20 to 30 MPH range at times.

Ascent will start to increase across the area on Wednesday as a cold front begins to approach from the west, and heights aloft continue to fall. As moisture increases, we will likely see isolated to scattered showers expand in coverage through the day. A few rumbles of thunder will be possible as well, especially Wednesday evening and night as better moisture and lift arrive. Right now, a quarter to half inch of rain appears most likely, with the higher amounts of QPF across the northwestern half of the forecast area. Since a good deal of the snow pack has been allowed to melt already, this amount of rain should not cause any major flooding concerns, though with the ground still partially frozen and ice in many area rivers, some minor issues could crop up.

The front will pass through the area Wednesday night, with post frontal rain lingering into the day on Thursday. The front should continue to push south over time, with Friday currently looking dry. Temperatures both days will be cooler but not unreasonable for mid March, with highs in the low 50s on Thursday and mid to upper 40s on Friday.

Another wave is expected to move into the region over the weekend, though right now there is considerable uncertainty regarding timing and strength of this system.

Boxell

AVIATION. (Issued 210 PM CST Sun Mar 7 2021)

VFR will prevail for the rest of today, with just passing mid and high level clouds. Winds will be from the south and southeast.

A surface trough will move into the area this evening into tonight. Ahead of this, a strong low level jet will result in LLWS at the terminals, while at the surface, winds will become lighter from the west and southwest. There is some potential for patchy fog and/or low stratus in a few areas late tonight/early tomorrow morning, though the potential is too low right now to include it in the TAFs.

Aside from any linger early morning fog/stratus, look for VFR through the day tomorrow, along with west to southwest winds.

Boxell

MARINE. (Issued 210 PM CST Sun Mar 7 2021)

A Small Craft Advisory remains in effect for areas north of Port Washington for this evening and tonight, due to building waves. Lighter offshore winds are expected by morning, continuing through the day on Monday.

Winds will start to increase from the south on Tuesday and especially Wednesday, with speeds approaching gale force at times over the open waters, especially on Wednesday. Right now, it appears that limited mixing due to the cold lake waters will keep speeds just below gales, but it will be close. The persistent south winds will result in significant waves over the northern portions of the lake.

For the nearshore, winds and waves will likely necessitate a Small Craft Advisory during this time.

Boxell

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . Small Craft Advisory . LMZ643 . 6 PM Sunday to 9 AM Monday.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KNSW3 - Kenosha, WI 40 mi52 min SSE 12 G 15 35°F 1028.1 hPa (-2.4)
WHRI2 - Waukegan Harbor, IL 42 mi112 min S 11 G 14 36°F
MLWW3 - Milwaukee, WI 48 mi42 min SE 15 G 16 35°F

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington Municipal Airport, WI17 mi57 minSSE 910.00 mi43°F24°F47%1027.1 hPa

Link to 5 minute data for KBUU

Wind History from BUU (wind in knots)
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Last 24hrCalmW6NW7NW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS6S7S4S9SE7S10
1 day agoNW9NW8NW6E6CalmCalmCalmCalmCalmCalmNE3CalmN3CalmCalmCalmCalmCalmCalmSE4CalmCalmCalmSW3
2 days agoNE6E6E6E4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW3CalmNW8NW8NW5W7W7W8

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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