Monday, April19, 2021
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Marine Weather and Tides
Caledonia, 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 6:01AMSunset 7:40PM Monday April 19, 2021 5:20 PM CDT (22:20 UTC) Moonrise 10:59AMMoonset 2:04AM 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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LMZ645 North Point Light To Wind Point Wi- 506 Pm Cdt Mon Apr 19 2021
Tonight..Northwest wind 15 to 20 knots becoming north 10 to 15 knots after midnight, then becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Mostly cloudy. Waves 1 to 2 feet.
Tuesday..North wind 10 to 15 knots easing to 5 to 10 knots late in the morning, then veering northeast early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Chance of rain and snow showers. Waves 1 to 2 feet.
Tuesday night..Northeast wind 5 to 10 knots. Chance of rain and snow showers through around midnight. Waves around 1 foot.
Wednesday..North wind 5 to 10 knots veering northeast early in the afternoon, then veering southeast late in the afternoon. Slight chance of rain and snow showers through the day. Waves 1 to 2 feet.
LMZ645 Expires:202104200400;;813563 FZUS53 KMKX 192206 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 506 PM CDT Mon Apr 19 2021 For waters within five nautical miles of shore on Lake Michigan LMZ645-200400-


7 Day Forecast for Marine Location Near Caledonia, WI
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location: 42.8, -87.9     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 191910 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 210 PM CDT Mon Apr 19 2021

SHORT TERM. (Issued 210 PM CDT Mon Apr 19 2021)

Tonight:

Cloud cover continues to wrap in with cold advection regime. Mid level flow remains cyclonic. Guidance not suggesting much clearing though some small breaks here and there in northern WI into MN. The RAP shows more holes evolving later this evening especially across the northern cwa with clouds from the next system potentially keeping the south under a cloud cover longer. Pressure gradient proggd to weaken with winds easing. Expecting chilly lows in the mid 20s to low 30s for lows across the area though any persistent cloud cover will keep temps from falling off too much.

Tuesday and Tuesday night:

Cyclonic flow amplifies across the area this period. The system snow associated with the low passing well to our south continues to look like it will largely miss us to the south. However, with indications of weak surface troughing taking shape and some steep lapse rates we could see some rain or snow showers evolve in this pattern. In addition marginal delta t values combined with an onshore flow may lead to some lake effect potential as well. The trough lingers into Tuesday night and will keep some small pops going in the southeast with models generating some very light qpf with a continued signal for higher 925-700 millibar RH values.

Collar

LONG TERM. (Issued 210 PM CDT Mon Apr 19 2021)

Wednesday through Monday:

A shortwave trough will move through Wednesday bringing chances for snow showers in the morning and transitioning to rain showers in the afternoon. Looking at soundings there is about 50 J/kg of CAPE to work with and with cold air aloft we could see some graupel mixing in with the rain during the afternoon. Not expecting anything widespread and amounts should remain light. Temperatures will drop below freezing for most of the area Wednesday night into Thursday and could damage any sensitive vegetation.

A ridge moves in Thursday bringing a quiet day weatherwise for the week, but we'll see a couple more troughs move through the area Friday and Saturday, with Saturday looking to be the stronger system out of the two. Still not expecting much in the way of rain amounts, so we'll continue the below normal precipitation trend into next week.

RAH

AVIATION. (Issued 210 PM CDT Mon Apr 19 2021)

Gusty northwest winds will continue in the wake of the departed cold front, but slacken off this evening. Ceilings have trended mostly VFR and expect that trend to persist into the evening hours. Some breaks may evolve but some higher VFR cloud cover may increase ahead of the next system for Tuesday that will impact areas mainly to our south. However, a low level trough and a deepening mid level trough may lead to some shower development that may mix with snow at times. Some lake effect precip potential as well due to an onshore flow.

Collar

MARINE. (Issued 210 PM CDT Mon Apr 19 2021)

Gusty northwest winds will continue in the wake of the departed cold front, but slacken off this evening. Some gusts may get close or briefly touch small craft criteria in the nearshore areas. Meanwhile will keep the Gale Warning going in the far north due to proximity of that area to the tighter pressure gradient with departed low.

Collar

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . Gale Warning . LMZ261-LMZ362 until 5 AM Tuesday.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLWW3 - Milwaukee, WI 14 mi31 min WNW 13 G 18 43°F
KNSW3 - Kenosha, WI 15 mi21 min WNW 12 G 19 45°F 1012.2 hPa (+1.0)
45013 21 mi81 min W 16 G 19 43°F 41°F1 ft1011.5 hPa (+0.8)
WHRI2 - Waukegan Harbor, IL 31 mi81 min NW 11 G 19 45°F
PWAW3 - Port Washington, WI 41 mi41 min WNW 8.9 G 17 44°F 1012.5 hPa

Wind History for Calumet Harbor, IL
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W2
G8
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G7
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G13
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NE4
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G7
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NE8
G11
NE7
G10
NE6
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N5
N1
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NW6
G10
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G11
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G11
N9
G12
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N9
G13
N8
G12
N9
N7
G11
N8
G11
NE5

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Racine, Batten International Airport, WI6 mi28 minNW 13 G 2410.00 miPartly Cloudy46°F25°F44%1012.7 hPa
Milwaukee, General Mitchell International Airport, WI11 mi29 minNW 910.00 miOvercast45°F25°F46%1012.2 hPa
Kenosha, Kenosha Regional Airport, WI15 mi28 minNW 10 G 1710.00 miMostly Cloudy47°F26°F44%1012.3 hPa
Waukesha County Airport, WI22 mi36 minWNW 13 G 2110.00 miOvercast39°F25°F56%1012.5 hPa
Milwaukee-Timmerman, WI23 mi36 minWNW 13 G 2010.00 miOvercast43°F19°F39%1011.8 hPa
Burlington Municipal Airport, WI23 mi26 minNNW 12 G 1810.00 mi44°F26°F49%1012.2 hPa

Link to 5 minute data for KRAC

Wind History from RAC (wind in knots)
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Last 24hrS5SE3SW7SW5SW6SW8SW8SW8SW10SW10SW10
G21
W8W8W6NW10
G19
NW7NW11
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G22
NW13
G24
NW8
G20
NW12
G18
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G24
1 day agoNE7NE5CalmCalmCalmCalmCalmCalmW3CalmCalmSW4CalmSW3S5S3SW4SE6SE8SE9S12S9S9S6
2 days agoE7NE5NE4W3CalmN3NW4NW4CalmN11N8N7N9N9N11N10N10N13N10NE7NE9NE8NE9E8

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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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