Wednesday, August5, 2020
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Marine Weather and Tides
Little Sturgeon, 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 5:42AMSunset 8:13PM Wednesday August 5, 2020 7:33 PM CDT (00:33 UTC) Moonrise 9:41PMMoonset 7:30AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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:202008060515;;987822 Fzus53 Kgrb 052031 Nshgrb Nearshore Marine Forecast National Weather Service Green Bay Wi 331 Pm Cdt Wed Aug 5 2020 For Waters Within Five Nautical Miles Of Shore On Lake Michigan Lmz521-522-541>543-060515- 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- 331 Pm Cdt Wed Aug 5 2020
Tonight..SW wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear.
Thursday..W wind 10 to 15 kts backing S in the late morning and afternoon. Waves 2 ft or less. Mostly Sunny.
Thursday night..SW wind 5 to 10 kts. Waves 2 ft or less. Clear.
Friday..S wind 10 to 15 kts. Waves 1 to 3 ft. Sunny.
LMZ522


7 Day Forecast for Marine Location Near Little Sturgeon, WI
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location: 44.8, -87.62     debug


Area Discussion for - Green Bay, WI
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FXUS63 KGRB 060006 AFDGRB

Area Forecast Discussion National Weather Service Green Bay WI 706 PM CDT Wed Aug 5 2020

Updated aviation portion for 00Z TAF issuance

SHORT TERM. Tonight and Thursday Issued at 250 PM CDT Wed Aug 5 2020

The forecast area was surrounded by short-waves to the northeast, west and south, but most of the forcing appeared to be splitting around the GRB CWA. There was some weak instability (CAPE around 200 j/kg) over far northern WI, and radar showed an isolated shower in the western Upper Peninsula, so have added a slight chance of showers to the far north/northeast for the rest of the day. There were also a few small showers in central WI, but it appeared these would remain just to the southwest of the forecast area through the afternoon.

Expect most of the cumulus to dissipate this evening, though some patchy clouds will linger through the night. There is a possibility of patchy ground fog over mainly north central WI overnight, but confidence was not high enough to add to the forecast. Low temperatures will still be on the cool side in the upper 40s and 50s, but these will be 6 to 10 degrees milder than last night.

The gradual warmup continues tomorrow, with south winds boosting highs into the 75 to 80 range. Have kept a dry forecast intact for now, though an isolated shower could form in association with a short-wave in far northeast WI, and along a lake breeze boundary in east central WI.

LONG TERM. Thursday Night Through Wednesday Issued at 250 PM CDT Wed Aug 5 2020

The focus for the long term forecast continues to be the potential for more stormy weather over the weekend.

Thursday night through Friday . Surface high pressure is expected to hang on over the region through most of Friday, which will help keep the area relatively dry through the evening. A pop up shower or two is possible, but maintained the dry forecast for now. Return flow will continue to push temperatures upwards, with highs into the upper 70s and lower 80s.

Friday night through Sunday . By late Friday night, an approaching shortwave and increasing moisture will bring some scattered showers into central Wisconsin. This slow moving shortwave will be our first chance to see more organized storms in the extended period, especially as it is currently expected to arrive in northeast Wisconsin during peak heating Saturday afternoon and evening. Although its still a bit early to determine severe potential as the timing isn't locked in yet, the PWATs with this system could be impressive, around 1.5-2.00 and bring a round of heavy rainfall. Things then get tricky with the timing of the next system, but a cold front is anticipated to move through near the end of the weekend, bringing the potential for another MCS type system to the region. Again, severe potential is fairly uncertain due to timing and how much the area resets from any lingering rainfall Saturday night.

Rest of the extended . Despite the passing cold front, the mean flow is not expected to change much for the beginning of next week. Zonal flow aloft and southerly flow near the surface will keep moisture values fairly high and temperatures above normal. Chance pops have been kept through the remainder of the period as well, as several additional shortwaves are possible through the middle of next week.

AVIATION. for 00Z TAF Issuance Issued at 705 PM CDT Wed Aug 5 2020

Scattered to broken Cumulus and Altocumulus clouds are expected tonight through Friday. Other than a chance of ground fog across far northern Wisconsin between 08z and 12z late tonight, VFR conditions are likely through the period.

GRB WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Kieckbusch LONG TERM . Uhlmann AVIATION . RDM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45014 8 mi33 min SSW 9.7 G 12 74°F 1016 hPa (-0.7)
MN4 - 9087088 - Menominee, MI 21 mi45 min S 8.9 G 12 73°F 73°F1016.8 hPa53°F
KWNW3 - 9087069- Kewaunee, WI 24 mi45 min S 14 G 17 69°F 1017.7 hPa

Wind History for Menominee, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Door County Cherryland Airport, WI14 mi37 minS 710.00 miFair70°F57°F66%1017.6 hPa
Menominee - Marinette Twin County Airport, MI22 mi37 minSW 810.00 miFair72°F53°F52%1017.2 hPa

Link to 5 minute data for KSUE

Wind History from SUE (wind in knots)
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Last 24hrE4CalmNE4NE4NE4----CalmCalmCalmCalmCalmCalmNW4W54SW3W5SW9SW5W4S9S9S7
1 day agoNE6NE5NE9N6NE9N8N6N9N8N10N10N11N11N12
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2 days agoN16N14
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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    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 (20,4,5,8)
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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 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.