Thursday, April2, 2020
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L-36.com


Marine Weather and Tides
North Bay, 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 6:28AMSunset 7:20PM Thursday April 2, 2020 4:11 AM CDT (09:11 UTC) Moonrise 12:44PMMoonset 3:24AM Illumination 69% Phase: Waxing Gibbous; Moon at 9 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- 306 Am Cdt Thu Apr 2 2020
Early this morning..North wind 5 knots backing northwest early in the morning. Clear. Waves around 1 foot.
Today..North wind 5 knots becoming east late in the morning, then becoming east 5 to 10 knots in the afternoon. Mostly Sunny. Waves around 1 foot.
Tonight..East wind 5 to 10 knots easing to 5 knots after midnight, then becoming east 5 knots early in the morning. Slight chance of rain after midnight. Waves nearly calm.
Friday..East wind 5 to 10 knots becoming southeast 10 to 15 knots in the late morning and afternoon. Mostly cloudy. Waves around 1 foot.
Friday night..Southeast wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then veering south after midnight veering southwest early in the morning. Chance of rain through around midnight, then rain likely after midnight. Waves 1 to 2 feet.
LMZ646 Expires:202004022100;;444031 FZUS53 KMKX 020806 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 306 AM CDT Thu Apr 2 2020 For waters within five nautical miles of shore on Lake Michigan LMZ646-022100-


7 Day Forecast for Marine Location Near North Bay village, WI
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location: 42.73, -87.66     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 020817 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 317 AM CDT Thu Apr 2 2020

SHORT TERM.

Today through Friday . Forecast Confidence is High .

High pressure will dominate our weather regime today into tonight, before eroding as a weak, elongated trough of low pressure enters from the west Friday. Early morning patchy ground fog is expected in the usual locales, which will quickly erode after daybreak. A mix of sun and clouds is expected today, with a little more in the way of sun over the eastern half of the area this morning. Mid/high level clouds will be on the increase this afternoon. Easterly flow and decent mixing will result in dewpoints lower than raw models indicate and sided with MOS values.

The forecast challenge tonight and Friday will be with the increasing moisture versus the dry, low level easterly flow. Will maintain increasing PoPs this evening over southwestern WI, gradually moving eastward after midnight. Any rain we get tonight should be on the light side as this first push of rain will tend to fall apart as it moves across southern WI.

The next chance for rain will be with the approaching front Friday. Once again, there are concerns about the dry, low level easterly flow in place. Gut feeling is that timing may have to be moved back, especially for areas east of Madison, where much of the day may end up being dry. Will maintain higher PoPs in southwestern WI, closer to the influence of the front.

LONG TERM.

Friday Night through Sunday . Forecast Confidence is Medium to High .

Rain Friday night will follow along the surface boundary from west to east into Saturday morning. There is not much in the way of forcing in the upper levels, but the surface frontogenesis should provide enough lift for a wet night. There is some uncertainty with the exact timing of the front, but do expect Saturday afternoon to be dry. With low precipitable water values and high pressure moving in Saturday night into Sunday, the weekend should be pleasant. We'll see a return of sunny skies by Sunday.

Sunday Night through Thursday . Forecast Confidence is Medium .

We move into an area of warm air advection Monday with highs getting into the low 60s for the southwest and south central Wisconsin. Unfortunately with warm moist air returning to the state we'll see chances for showers continue on and off until the front moves through Tuesday night. There even could be a few thunderstorms Monday afternoon into Tuesday with a few hundred J/kg of CAPE available. We'll dry out behind the front Wednesday with mostly quiet conditions into the end of the week.

AVIATION(09Z TAFS).

Aside from patchy ground fog through daybreak, conditions are expected to remain VFR through the next 24 hours. Patchy mid level clouds will continue to slowly dissipate through this morning north and west of Madison. High level clouds will then stream into the area from midday onward. Light and variable winds early this morning will give way to light southeast winds through the day today.

MARINE.

Primary issue continues to be areas of dense fog across the far southern portion of the lake. This will persist through the mid morning hours before dissipating. High pressure in place will maintain quiet weather conditions into Friday. Winds will be light and variable early this morning, before shifting to the east and then southeast through the day today. A cold front will slowly pass through the lake Friday and Friday night, shifting winds to the northwest. High pressure builds back into the area later Saturday, bringing quiet weather through the remainder of the weekend.

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . Dense Fog Advisory until 10 AM CDT this morning for LMZ080-779.



Today/Tonight and Aviation/Marine . Gagan Friday through Wednesday . RAH


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KNSW3 - Kenosha, WI 13 mi72 min WNW 1.9 G 4.1 36°F 1021 hPa (+0.3)
MLWW3 - Milwaukee, WI 22 mi182 min Calm G 0 36°F
PWAW3 - Port Washington, WI 47 mi92 min W 1.9 G 4.1 33°F 1022 hPa

Wind History for Calumet Harbor, IL
(wind in knots)    EDIT      (on/off)   Help
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NW10
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NW11
G18
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G16
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W10
G18
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N11
G14
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G12
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Racine, Batten International Airport, WI8 mi79 minWNW 510.00 miFair33°F30°F92%1021.9 hPa
Kenosha, Kenosha Regional Airport, WI18 mi79 minN 03.00 miFog/Mist31°F30°F96%1021.2 hPa
Milwaukee, General Mitchell International Airport, WI20 mi80 minN 010.00 miFair34°F30°F85%1021.3 hPa
Chicago/Waukegan Regional Airport, IL24 mi77 minN 07.00 miFair29°F27°F92%1021.3 hPa

Link to 5 minute data for KRAC

Wind History from RAC (wind in knots)
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Last 24hrN8N10N9N11
G18
N11N9N8N9NE10NE8N8N8NE7NE8NE4NE4CalmCalmCalmCalmCalmCalmW5Calm
1 day agoN9N9N10N10N8N11NE11NE11NE11N13N13N14N13
G21
N13N12N10N12N10N12N10N9N8N9N9
2 days agoNW11
G20
NW12
G21
NW10
G19
NW10
G21
N11NW10NW9NW8N11
G17
NE4SE4E4SE6E7E7E4E6NE8N7N7N12
G18
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G19
N11

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 GreatLakes    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 (5,6,7,8)
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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.