Friday, July10, 2020
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Marine Weather and Tides
Marinette, 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 5:16AMSunset 8:39PM Friday July 10, 2020 10:42 PM CDT (03:42 UTC) Moonrise 12:00AMMoonset 10:47AM Illumination 69% 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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LMZ521 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- Rock Island Passage To Sturgeon Bay Wi- Sturgeon Bay To Two Rivers Wi-two Rivers To Sheboygan Wi- 913 Pm Cdt Fri Jul 10 2020
Rest of tonight..NW wind around 5 kts. Waves 2 ft or less. Mostly clear.
Saturday..NW wind 5 to 10 kts veering ne early in the afternoon. Waves 2 ft or less. Sunny in the morning then becoming partly cloudy.
Saturday night..N wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy.
Sunday..N wind 10 to 15 kts. Waves 1 to 3 ft. Partly Sunny.
LMZ521 Expires:202007111015;;653718 FZUS53 KGRB 110213 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 913 PM CDT Fri Jul 10 2020 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-541>543-111015-


7 Day Forecast for Marine Location Near Marinette, WI
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location: 45.09, -87.58     debug


Area Discussion for - Green Bay, WI
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FXUS63 KGRB 102341 AFDGRB

Area Forecast Discussion National Weather Service Green Bay WI 641 PM CDT Fri Jul 10 2020

Updated aviation portion for 00Z TAF issuance

SHORT TERM. Tonight and Saturday Issued at 243 PM CDT Fri Jul 10 2020

Northwest upper flow and a surface high building in will make for clearing skies and dry weather tonight. Lows will be close to usual temperatures for this time of the year.

An upper trough moving south across Minnesota and a weak surface trough moving across Wisconsin could produce widely scattered showers or thunderstorms Saturday afternoon in central and east central Wisconsin. The atmosphere near the surface will be pretty dry, so it is possible that there are just sprinkles or virga. Highs will be a few degrees above normal.

LONG TERM. Saturday Night Through Friday Issued at 243 PM CDT Fri Jul 10 2020

The next week will feature zonal flow aloft as high pressure over the desert Southwest keeps fairly progressive flow in place. Several weak shortwaves will make their way through the region during this timeframe, bringing in a few chance of active weather. The most consistent timing will be Saturday afternoon into Saturday, after which the models differ on the timing for next week. Temperatures will be slightly below normal this weekend, before rising to at or above normal again next week.

This weekend . The weak shortwave will continue to touch into the region through early Saturday night, bringing some precipitation to central Wisconsin. Trended further southwards with the precipitation Saturday night. Behind this, fairly quiet conditions are expected as northerly flow pushes the best moisture south of the region for Sunday. With temperatures dropping into the 70s, CAPE values will be fairly meager. Thus, removed the slight pops from Sunday afternoon.

Rest of the forecast . Temperatures will be on the rise through the upcoming work week, with highs reaching back into the middle 80s by the late week. Several weak shortwaves will move across the area, bringing broad slight pops into the region. A few thunderstorms are likely, but the strength is still unclear at this time, as the timing is still uncertain.

AVIATION. for 00Z TAF Issuance Issued at 641 PM CDT Fri Jul 10 2020

Remaining diurnal cu will quickly give way to clear skies and VFR conditions overnight and Saturday as surface high pressure moves across the region. Some patchy fog is possible over northcentral Wisconsin after midnight, given recent rainfall, but did not include in TAFs given low confidence in its occurrence.

Some mid-level clouds associated with a weak upper-level disturbance may begin to move east into central Wisconsin toward the end of the TAF period.

GRB WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . RDM LONG TERM . Uhlmann AVIATION . ESB


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MN4 - 9087088 - Menominee, MI 1 mi55 min NNW 6 G 7 73°F 73°F1010.7 hPa64°F
NPDW3 - Northport Pier at Death's Door WI 35 mi63 min Calm G 0 69°F 1010.2 hPa
KWNW3 - 9087069- Kewaunee, WI 43 mi55 min S 2.9 G 5.1 73°F 1010.7 hPa

Wind History for Menominee, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Menominee - Marinette Twin County Airport, MI3 mi47 minNNW 310.00 miFair72°F63°F73%1010.9 hPa
Door County Cherryland Airport, WI21 mi47 minESE 310.00 miFair69°F66°F93%1010.9 hPa

Link to 5 minute data for KGRB

Wind History from GRB (wind in knots)
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Last 24hrNW5N8N6NE5NE5N9N4NE3NW5W7NW7NW7NW10NW11
G17
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NW11NW9NW13NW9NW11NW6NW4W4W5
1 day agoS5S6S4CalmNW6NE7CalmS3CalmCalmS5SW5W5NE13E11NE7SE8S9E4CalmSE3NW3W5NW5
2 days agoW3W4CalmCalmS4CalmS3SW3CalmS63SW6S5SW5S5SW6S8S9
G17
SW7SW6S4S4SE5S6

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 Green Bay, WI (23,6,7,8)
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Ground Weather Radar Station Green Bay, 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.