Friday, May29, 2020
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Marine Weather and Tides
Lake Geneva, WI

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 5:19AMSunset 8:23PM Friday May 29, 2020 8:54 PM CDT (01:54 UTC) Moonrise 11:55AMMoonset 1:31AM Illumination 55% Phase: First Quarter Moon; Moon at 8 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- 709 Pm Cdt Fri May 29 2020
Tonight..Northwest wind 10 to 15 knots easing to 5 to 10 knots after midnight, then veering north early in the morning. Partly cloudy. Waves around 1 foot.
Saturday..Northwest wind 5 to 10 knots veering north early in the afternoon, then veering northeast late in the afternoon. Chance of showers in the afternoon. Waves around 1 foot.
Saturday night..Northeast wind 10 to 15 knots easing to 5 to 10 knots early in the morning. Chance of sprinkles through around midnight. Waves 1 to 2 feet.
Sunday..East wind 5 to 10 knots veering southeast late in the morning, then rising to 10 to 15 knots in the afternoon. Sunny. Waves 1 to 2 feet.
LMZ646 Expires:202005300400;;960589 FZUS53 KMKX 300009 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 709 PM CDT Fri May 29 2020 For waters within five nautical miles of shore on Lake Michigan LMZ646-300400-


7 Day Forecast for Marine Location Near Lake Geneva, WI
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location: 42.58, -88.43     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 292301 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 601 PM CDT Fri May 29 2020

UPDATE. Clouds may be a little slow to totally clear across the area this evening as last vestiges of first surge of cold air advection remains across the area before turning more neutral late this evening. Still thinking at a period of clearing will occur but may see an increase in clouds again later tonight or early Saturday as secondary push of low level cold air advection moves across the region, before subsidence and drier air takes over for the afternoon.

AVIATION(00Z TAFS). VFR conditions expected for this forecast period. Lower VFR clouds should clear for a period overnight, but may return late tonight into Saturday morning as a secondary push of low level cold air moves across the region. The clouds should clear in increasing subsidence and drier air Saturday afternoon and/or evening.

PREV DISCUSSION. (Issued 246 PM CDT Fri May 29 2020)

SHORT TERM .

Tonight through Saturday Night . Forecast Confidence is Moderate .

A broad area of stratocumulus clouds have spread over southern Wisconsin owing to ascent driven by an upper level shortwave and mid-level moisture. In association with these features, sprinkles and light rain showers remain possible toward central and east- central Wisconsin this afternoon and early this evening. We should see some clearing overnight as high pressure builds in from the east. This clearing should remain in place for much of southern Wisconsin during the day tomorrow, save for areas near the lakeshore, where short-range models seem to agree that remnants of the slow-moving shortwave may spark off another round of stratocu and sprinkles/light rain during the late morning and early afternoon hours.

Skies will then clear for all going into Saturday night as high pressure will be firmly in place overhead.

LONG TERM .

Sunday through Friday . Forecast Confidence: Low to Medium.

Upper level high pressure will begin to build across the central CONUS Monday as the surface high pressure shift eastward out of the midwest. Despite the upper level high pressure, showers and thunderstorms will be possible Monday as a warm front moves through Wisconsin. A brief period of dry and warm weather is expected Tuesday. By mid-week, the front may try to move back through Wisconsin as a cold front. There are a series of shortwaves that are moving along the northern edge of the upper level ridge. This type of scenario introduces quite a bit of uncertainty in regards to temperatures and precipitation potential for southern Wisconsin. This is causing the surface front to move back and forth across the region through the end of the week.

AVIATION(18Z TAFS) .

Widespread stratocu remains in place for all terminals, causing MVFR cigs. These clouds will linger for the rest of the afternoon before rising to VFR this evening. A stray sprinkle/light shower remains possible this afternoon. Skies begin to clear overnight and remain clear through tomorrow, save for lakeshore terminals, where stratocu and sprinkles/light showers may redevelop for a brief period during the late morning and early afternoon hours, causing a return to MVFR cigs.

MARINE .

Winds will remain out of the NW at 5-10 kts through tonight and into the first half of tomorrow before becoming more NE-erly during the afternoon hours. Winds gusts to 15 to 20 kts will die down tonight and then return tomorrow afternoon. Waves will remain at 2 feet and below.

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

Update . mbK Tonight/Saturday and Aviation/Marine . mbK Saturday Night through Friday . Patterson


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KNSW3 - Kenosha, WI 33 mi55 min NW 8 G 11 64°F 1017.6 hPa (+1.7)
MLWW3 - Milwaukee, WI 41 mi45 min WNW 11 G 15 63°F
45013 47 mi55 min NW 9.7 G 12 58°F 49°F1 ft1017.8 hPa (+1.4)

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington Municipal Airport, WI10 mi80 minN 010.00 miPartly Cloudy62°F47°F58%1018.3 hPa

Link to 5 minute data for KBUU

Wind History from BUU (wind in knots)
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Last 24hrCalmN11
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CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW10NW9
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW13
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NW7N5CalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS6CalmCalmCalmCalm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Milwaukee/Sullivan, WI (21,6,7,8)
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Ground Weather Radar Station Milwaukee, WI
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weather_mapweather_map weather_map

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.