Monday, March25, 2019 L-36.com


Marine Weather and Tides
North Bay, WI

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:44AMSunset 7:10PM Monday March 25, 2019 6:49 PM CDT (23:49 UTC) Moonrise 12:00AMMoonset 9:46AM Illumination 75% Phase: Waning Gibbous; Moon at 20 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- 506 Pm Cdt Mon Mar 25 2019
Tonight..North wind 10 to 15 knots veering northeast late in the evening, then becoming northeast 10 to 15 knots after midnight easing to 5 to 10 knots early in the morning. Clear. Waves 3 to 4 feet subsiding to 1 to 3 feet early in the morning.
Tuesday..East wind 5 to 10 knots veering southeast early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny. Waves 1 to 2 feet.
Tuesday night..South wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then becoming south 5 to 10 knots after midnight. Mostly clear. Waves around 1 foot.
Wednesday..South wind 10 to 15 knots with gusts to around 20 knots rising to 15 to 20 knots in the afternoon. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. Wave heights are for ice free areas.
LMZ646 Expires:201903260400;;337302 FZUS53 KMKX 252206 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 506 PM CDT Mon Mar 25 2019 For waters within five nautical miles of shore on Lake Michigan LMZ646-260400-


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 252332 aaa
afdmkx
area forecast discussion... Updated
national weather service milwaukee sullivan wi
632 pm cdt Mon mar 25 2019

Update
Quiet weather will continue under high pressure tonight. The
forecast is on track for the evening and overnight hours.

Aviation(00z tafs)
Vfr conditions will prevail through Tuesday under high pressure.

Aside from some high clouds late tomorrow morning and afternoon,
skies should remain mostly clear. Winds will remain on the light
side as well.

Prev discussion (issued 222 pm cdt Mon mar 25 2019)
discussion...

today through Tuesday night... Forecast confidence is high...

a very quiet period is expected through Tuesday night. High
pressure will move in tonight bringing light and variable winds to
the region. It should be a pretty good radiational cooling
night with a relatively dry profile. However, some upper level
moisture may temper low temperatures slightly.

During the day Tuesday, winds will turn to the south southwest as
the high pressure region moves to the southeast. However,
nearshore areas may begin to see a bit of an easterly component
to the wind in the afternoon with the potential for a weak lake
breeze circulation to set up. A weak upper level shortwave will
also push across the region Tuesday afternoon and potentially
bring some cloud development.

Into Wednesday morning, winds are expected to pick up a bit from
the south southwest. Clouds are also expected to push in
associated with a much more moist air mass.

Wednesday through Thursday night - confidence... Medium
a mid level wave will ride to our north with a warm air advection
regime becoming established. A surface low will be tracking well
north with a fairly tight pressure gradient in place. So the south
to southwest winds will be on the breezy side. The low shifting
east will result in a low level front being dragged through SRN wi
Wednesday night into Thursday morning. A look at both the NAM and
gfs soundings from bufkit shows saturation of any layer will be
tough during this period so any shower chances will be on the
lower end. On Thursday the surface front will shift to our south
with 850 925 front vicinity wi il border. Again, degree of moisture
looks questionable with models showing differing solutions. So
for now will keep pops on the lower end.

Friday and Saturday - confidence... Medium
a potent mid level wave will track to our south aiding low level
cyclogenesis. Surface low will ride to our south along the 850
baroclinic zone. At this time the consensus of the progs suggest
rain chances would expand across the area Friday afternoon and
continue well into the evening. As the low pulls east, northeast
winds would likely wrap in colder air into this system. This is
reflected in a dropoff of critical thicknesses as well as a collapse
of the 850 925 thermal profile. This would result in a transition
to a mix and potentially a changeover to some slushy snow accumulation
across the area later Friday night into Saturday morning.

Sunday and Monday - confidence... Medium
looks like a dry period is shaping up here with high pressure becoming
dominant. The low level thermal trough will ease as we get into the
return flow around the high as it shifts east Monday.

Aviation(21z tafs)... Mostly clear skies and light winds will bringVFR
conditions throughout the TAF period. Today, winds will continue from
the northeast but will decrease as high pressure moves overhead. Overnight
winds should be light and variable but will switch to the south southwest
over the course of the day Tuesday. However, near the lake an easterly
component to the wind may persist with a bit of a lake breeze in the
afternoon.

Marine... Nearshore winds will continue decreasing today as a
result of high pressure pushing into the region. Waves are expected
to linger in the nearshore but will fall below 4 feet over the next
few hours, which is when the small craft advisory will expire.

The rest of the lake will see some continuing breezy north winds
in the southern half of the lake that will continue to decrease
tonight. Winds will switch to the south southwest Tuesday with
breezy conditions in the northern half of the lake bringing waves
to 6-10 ft by Wednesday with some potential for gale force winds
Wednesday afternoon.

Mkx watches warnings advisories
Wi... None.

Lm... None.

Update... Ddv
tonight Tuesday and aviation marine... Ark
Tuesday night through Monday... Collar


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KNSW3 - Kenosha, WI 13 mi49 min NNE 15 G 17 33°F 1027.4 hPa (+0.3)
MLWW3 - Milwaukee, WI 25 mi39 min 32°F
WHRI2 - Waukegan Harbor, IL 27 mi69 min NNE 17 G 20 33°F
PWAW3 - Port Washington, WI 47 mi69 min ENE 8.9 G 11 34°F 1028.8 hPa

Wind History for Calumet Harbor, IL
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N11
G14
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G13
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G25
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G28
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SE8
G11
E4
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G8
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NE1
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N3
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G8
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N6
G11
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E7
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G11
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G10
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G10
E6

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Racine, Batten International Airport, WI8 mi56 minN 1010.00 miFair34°F19°F56%1028.8 hPa
Kenosha, Kenosha Regional Airport, WI18 mi56 minNNE 910.00 miFair38°F14°F37%1028.1 hPa
Milwaukee, General Mitchell International Airport, WI20 mi57 minNE 810.00 miA Few Clouds35°F21°F57%1028.3 hPa
Chicago/Waukegan Regional Airport, IL24 mi54 minNNE 810.00 miFair35°F18°F50%1028.2 hPa

Wind History from RAC (wind in knots)
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Last 24hrN16
G24
N16
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N18
G27
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NE21
G28
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G30
N14
G27
N15
G24
N15
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N17
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N18
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NE14NE18
G26
NE16NE17
G24
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N17NE13
G20
N15N15
G23
N12
G20
NE13N11N10
1 day agoS9S9S4S5S6S4S4SW4SW5SW6CalmCalmCalmCalmCalmCalmS4CalmE7S5CalmN16
G22
N15N14
G24
2 days agoN5NE4NE5CalmCalmCalmW4W3CalmNW3W3W4CalmCalmS3S4W85SE9S10S13S15S9S11

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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wmap_A
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Milwaukee/Sullivan, WI (19,4,5,8)
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Ground Weather Radar Station Milwaukee, WI
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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 numerious 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.