Tuesday, January26, 2021
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Marine Weather and Tides
Mishicot, 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 7:12AMSunset 4:54PM Tuesday January 26, 2021 7:28 PM CST (01:28 UTC) Moonrise 3:38PMMoonset 6:52AM Illumination 98% Phase: Waxing Gibbous; Moon at 14 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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LMZ542 Sturgeon Bay To Two Rivers Wi-two Rivers To Sheboygan Wi- 415 Pm Cst Tue Jan 26 2021
.small craft advisory in effect through late tonight...
Tonight..N wind 15 to 25 kts. Waves 4 to 6 ft subsiding to 3 to 5 ft after midnight. A chance of flurries in the evening.
Wednesday..N wind 10 to 20 kts. Waves 2 to 4 ft. Mostly cloudy in the morning then becoming partly cloudy.
Wednesday night..NW wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear.
Thursday..NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy.
LMZ542 Expires:202101270515;;540537 FZUS53 KGRB 262215 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 415 PM CST Tue Jan 26 2021 For waters within five nautical miles of shore on Lake Michigan LMZ542-543-270515-


7 Day Forecast for Marine Location Near Mishicot, WI
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location: 44.31, -87.55     debug


Area Discussion for - Green Bay, WI
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FXUS63 KGRB 262338 AFDGRB

Area Forecast Discussion National Weather Service Green Bay WI 538 PM CST Tue Jan 26 2021

Updated aviation portion for 00Z TAF issuance

SHORT TERM. Tonight and Wednesday Issued at 321 PM CST Tue Jan 26 2021

Snow had mostly come to an end across east-central Wisconsin this afternoon, with some light snow or flurries possible into the early evening hours across the lakeshore counties. Additional snowfall accumulations will be negligible as the low continues moving off to the east. Lake effect snow across the Lake Superior snowbelt of north-central Wisconsin will continue through the night with a favorable fetch and delta T values. There could be a dusting of accumulation tonight, mainly across northwest Vilas County.

Satellite imagery shows the extensive cloud cover across the region could develop breaks this evening, which should cause temperatures to fall to 0 to 5 across north-central Wisconsin, with lows of 10 to 15 across east- central Wisconsin. The expected splotchiness of the clearing will mean overnight lows could plummet with clearing, then shoot up again as clouds track back over the region. Therefore, wild swings in temperature are possible tonight with a few locations probably dropping below zero across north-central and central Wisconsin.

Mid level troughing and northerly winds will continue for Wednesday as another shortwave brings a fresh deck of clouds during the morning hours. Drier air advecting in from the west and a high pressure ridge building across the upper Mississippi Valley in the afternoon will bring a decrease in clouds by the afternoon, especially across central and east-central Wisconsin. Clouds will linger longest across the north, with a continued feed of moisture from Lake Superior. Highs on Wednesday are only expected to reach 10 to 15 across north-central Wisconsin, with highs around 20 across east-central and northeast Wisconsin.

LONG TERM. Wednesday Night Through Tuesday Issued at 321 PM CST Tue Jan 26 2021

Quiet winter conditions expected to start the long term, then attention turns to if/when a system will impact the area this weekend. Temps will start off below/near normal, then return to above normal this weekend.

Wednesday night through Friday . a quiet stretch of weather is expected for the area as surface high pressure over western Ontario extends into the western Great Lakes. Some early day sun is possible on Thursday, then clouds look to take over. Wednesday night look to be cold with mostly clear skies expected in the evening. Some increase in clouds, along with the potential for fog could stop the temps from falling overnight. Most spots look to fall into the -10 to +10 degree range, warmest near Lake Michigan. Highs on Thursday look to be slightly below normal, mainly in the teens to lower 20s. Weak WAA and more clouds look to hold up low temps Thursday night but it will still be a seasonally cold night. Continued WAA will allows highs to climb into the 20s on Friday.

Rest of the long term . main weather concern will be if and when the next system will impact the area. As the surface ridge slides into eastern Ontario and Quebec, a shortwave will eject out into the southern Plains. Models fairly consistent with the overall progression of the shortwave and surface low, tracking into the Ohio Valley on Sunday. But as was the case with today's system, minor differences in track and if/where a heavier band sets up and where the northern cutoff will occur will be a tricky forecast endeavor. 12z ECMWF took a jump southward with the system with the strong surface high winning the tug of war battle, keeping our area mainly dry. Will see if this was a head fake or a trend. Any type of lake enhancement looks to be reduced as 850mb temps will only be around -5C, plus some pretty dry air will be feeding in from the east. Still too early to add much value, so kept the blend for PoPs. A lingering trough could keep chances for snow into Monday. Temps look to be slightly above normal.

AVIATION. for 00Z TAF Issuance Issued at 538 PM CST Tue Jan 26 2021

VFR conditions are expected tonight through Wednesday, except for some MVFR ceilings and snow flurries at times north of a Tomahawk to Iron Mountain line as lake effect clouds sometimes make it that far inland from Lake Superior. Surface wind speeds will be fairly light and the visibility excellent.

GRB WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Kurimski LONG TERM . Bersch AVIATION . RDM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KWNW3 - 9087069- Kewaunee, WI 11 mi329 min N 12 G 18 24°F 1016.7 hPa (+1.4)
GBWW3 29 mi329 min N 13 G 16 24°F 1017.4 hPa (+1.2)
SGNW3 - Sheboygan, WI 39 mi329 min N 28 G 32 25°F

Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Manitowoc, Manitowoc County Airport, WI13 mi33 minN 510.00 miFair18°F12°F77%1022.9 hPa

Link to 5 minute data for KMTW

Wind History from MTW (wind in knots)
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1 day agoW3W3NW5NW8NW5NW6N10N8N6NW5N8NW5N5N6N10N9N6N8N4N6N8N8N7NE11
G14
2 days agoCalmCalmCalmNW3CalmCalmCalmE3S3S6S6S6S4SW7SW8SW8W9W8W8NW7NW5W5W5W3

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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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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.