Friday, May24, 2019 L-36.com


Marine Weather and Tides
Howard, 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 5:14AMSunset 8:24PM Friday May 24, 2019 8:08 AM CDT (13:08 UTC) Moonrise 12:47AMMoonset 10:17AM Illumination 70% 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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LMZ522 Expires:201905241615;;374327 Fzus53 Kgrb 240902 Nshgrb Nearshore Marine Forecast National Weather Service Green Bay Wi 402 Am Cdt Fri May 24 2019 For Waters Within Five Nautical Miles Of Shore On Lake Michigan Lmz521-522-241615- Green Bay South Of Line From Cedar River To Rock Island Passage And North Of A Line From Oconto Wi To Little Sturgeon Bay Wi- Green Bay South Of Line From Oconto Wi To Little Sturgeon Bay Wi- 402 Am Cdt Fri May 24 2019
Today..E wind 10 to 15 kts. Waves 2 ft or less. Patchy fog. A chance of showers. A slight chance of Thunderstorms in the afternoon.
Tonight..SE wind 5 to 10 kts veering S after midnight. Waves 2 ft or less. Patchy fog. Showers likely and a chance of Thunderstorms in the evening. A chance of showers after midnight.
Saturday..SW wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy.
Saturday night..W wind 10 to 15 kts veering nw 5 to 10 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear.
LMZ522


7 Day Forecast for Marine Location Near Howard, WI
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location: 44.56, -88.1     debug


Area Discussion for - Green Bay, WI
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Fxus63 kgrb 241125
afdgrb
area forecast discussion
national weather service green bay wi
625 am cdt Fri may 24 2019
updated aviation portion for 12z TAF issuance

Short term Today... Tonight... And Saturday
issued at 414 am cdt Fri may 24 2019
showers will move north into the forecast area today
as warm air overruns a warm front well to our south. The best rainfall
should be across central and east central wisconsin. The clouds
and precipitation and winds blowing over lake michigan will hold
temperatures down 5 to 10 degrees below normal.

Elevated thunderstorms are expected during the late afternoon and
evening hours as dewpoints in the teens at 850mb stream northward
from the southern plains. The elevated instability could be enough
to produce a few strong or severe storms with large hail in the
fox valley and lakeshore counties.

The showers will end later tonight as a pacific cold front goes
by. It shouldn't even be called a cold front, as temperatures
Saturday will be higher than today due to abundant sunshine and
downslope west winds. Highs could reach 80f for the first time
this year in some areas.

Long term Saturday night through Thursday
issued at 414 am cdt Fri may 24 2019
forecast concerns continue to revolve around precip potential
through the holiday weekend into the middle of next week. Although
there will be breaks in the precip chances at times, southwest flow
aloft will continue during this period, with the western great lakes
positioned between the beefy sub-tropical ridge over the southeast
conus, and an upper low over hudson bay. The result will be a
continuation of the wet pattern that has been in place over the past
several months. Will take a blend of the GFS nam on Saturday night,
followed by a blend of the gfs ECMWF thereafter.

Saturday night through Sunday night... A cold front will be in the
process of exiting northeast wi early on Saturday evening. The
models project some instability lingering over east-central wi along
the front, but the GFS looks considerably overdone, mostly due to
unrealistically high dewpoints. Still though, ml capes over 500
j kg suggest some potential for a storm along the boundary Saturday
evening. Ample mid-level dry air will keep storm potential isolated
at best. Weak high pressure then will build into the region later
Saturday night and hang around on Sunday. Temps on Sunday will be
cooler, but with no threat of precip. As energy ejects out of the
southwest CONUS trough, the front will return north on Sunday night.

Rain chances will therefore return to central wi late in the night.

Rest of the forecast... A surge of precip will lift across the area
on Monday with the passage of a warm front. Some elevated
instability will accompany the front, though magnitudes look rather
marginal for severe weather. Forecasting frontal positions becomes
a rather dicey proposition thereafter due to presence of
clouds precip and uncertainty of wind directions. Southwest flow
will remain aloft on Monday night into Tuesday, which will be
favorable for precip at times, though perhaps not quite as
widespread as on Monday. Then a second surge of precip looks
possible on Tuesday night as the southwest CONUS trough ejects
across the great lakes. Because of the uncertainty of instability,
potential for heavy rainfall looks higher than severe weather at
this time. A period of cooler weather is possible in the wake of
the system for middle to end of next week.

Aviation For 12z TAF issuance
issued at 625 am cdt Fri may 24 2019
MVFR ceilings are expected in most places today, with showers
moving up from the south. Scattered thunderstorms are possible
during the late afternoon and evening.

Ceilings and visibilities will likely drop into ifr range tonight
with showers ending from west to east. Lifr conditions are
possible in some areas late tonight.

Skies will clear Saturday withVFR conditions and gusty west
surface winds.

Grb watches warnings advisories
None.

Short term... ..Rdm
long term... ... Mpc
aviation... ... .Rdm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KWNW3 - 9087069- Kewaunee, WI 33 mi38 min ESE 1 G 2.9 46°F 1020.8 hPa
MN4 - 9087088 - Menominee, MI 46 mi38 min ESE 7 G 8.9 50°F 54°F1021.1 hPa

Wind History for Kewaunee MET, WI
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W16
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G27
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E7
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G24
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S7
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NE6
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E16
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G21
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SE5
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G16
E23
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G18
SE7

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Green Bay, Austin Straubel International Airport, WI6 mi75 minESE 710.00 miOvercast52°F48°F86%1021.4 hPa

Wind History from GRB (wind in knots)
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Last 24hrW15
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W14NW15
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NW7NW7W6W4NW5N4N5N5N5CalmNE5E7E8
1 day agoSE13
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SE13SE12
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SE10SE8SE8SE7E7SE6S9
G21
S6S4CalmS8SW6SW5W8W7S3SW4SW8W12
G22
2 days agoNE8NE10E11E11
G22
E16
G22
E11
G20
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G21
E11E10E10E11E6E9E8E11
G18
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G23
E11S6E8E13
G25
W11
G30
SE9
G17
E10E11
G19

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    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 Green Bay, WI (9,2,3,4)
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Ground Weather Radar Station Green Bay, 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.