Sunday, December15, 2019
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Marine Weather and Tides
Egg Harbor, WI

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:19AMSunset 4:14PM Sunday December 15, 2019 4:21 AM CST (10:21 UTC) Moonrise 8:52PMMoonset 11:24AM Illumination 86% Phase: Waning Gibbous; Moon at 18 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- 327 Am Cst Sun Dec 15 2019
Today..NW wind 10 to 20 kts becoming W 10 to 15 kts by afternoon. Waves 2 ft or less. Partly cloudy.
Tonight..W wind 10 to 15 kts. Waves 2 ft or less. Becoming mostly cloudy.
Monday..W wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy.
Monday night..W wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy.
LMZ521 Expires:201912151715;;813900 FZUS53 KGRB 150927 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 327 AM CST Sun Dec 15 2019 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-541>543-151715-


7 Day Forecast for Marine Location Near Egg Harbor, WI
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location: 45.09, -87.23     debug


Area Discussion for - Green Bay, WI
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FXUS63 KGRB 150920 AFDGRB

Area Forecast Discussion National Weather Service Green Bay WI 320 AM CST Sun Dec 15 2019

Forecast discussion for routine morning forecast issuance

SHORT TERM. Today . Tonight . and Monday Issued at 319 AM CST Sun Dec 15 2019

High pressure was building into the the western Great Lakes early this morning, with cold northwest flow in place across GRB CWA. Weakening lake-effect snow bands were noted across north central and far northeast WI, and a large area of stratus and flurries was brushing the western part of the forecast area. Skies were clear to partly cloudy across the rest of the forecast area.

Expect lingering lake-effect snow showers and flurries to taper off this morning as the surface high builds into the forecast area and low-level winds become westerly. Low clouds should also gradually erode in the morning. It will be a chilly day, with highs ranging from around 10 above west to around 20 along the Lake Michigan shoreline.

Weak WAA and a short-wave trof should bring increasing clouds tonight, but models vary on the coverage, and therefore also the low temperatures. Will have sky cover increasing to mostly cloudy this evening. Went middle of the road for temperatures, with lows ranging from around zero northwest to the single digits and lower teens southeast. If clouds do not thicken as expected, or are later to arrive, low temperatures will need to be lowered.

On Monday, a weak cold front is expected to push into our northwest counties, with little impact other than reinforcing the cloud cover over north central WI. Partial clearing is expected elsewhere. Highs will range from the middle to upper teens northwest to the lower to middle 20s southeast.

LONG TERM. Monday Night Through Saturday Issued at 319 AM CST Sun Dec 15 2019

Besides some chances for lake-effect snow over Vilas County Tuesday through Wednesday, generally quiet conditions are anticipated through next weekend. Below normal temperatures are expected through midweek with at/above normal temperatures for the latter half of the week and into next weekend.

Monday night through Wednesday . As a surface high pressure system exits the region Monday night, the zonal upper-level pattern will begin to evolve into a northwest flow. A weak clipper system riding along the northwest flow will move over Lake Superior Tuesday morning causing winds to shift to the northwest. Continued to heighten lake-effect snow showers over Vilas County with up to 1 inch of snow accumulation through early Wednesday morning. High pressure, carrying cold arctic air, will then move into the Upper Mississippi Valley. Wednesday morning temperatures are expected to be the coldest of the extended with values about 10 to 15 degrees below normal in the single digits above and below zero. WAA will then increase over Wisconsin on Wednesday as another clipper system rides along the upper-level northwest flow. Some locations along the northern Wisconsin/U.P. border could see some light snow showers into Wednesday evening, but confidence is not very high with this outcome.

Rest of the forecast . Dry conditions and at/above normal temperatures are likely for Thursday as an upper-level ridge moves over the Upper Mississippi Valley. At the same time, a shortwave/trough will dig over central Plains. Model guidance indicates a cut-off low developing with this trough as it moves towards the Midwest on Friday. Due to no direct path of Gulf moisture and disagreements with the low's track, continued to keep Friday dry. A ridge of high pressure will then move into the region for Saturday. Temperatures are likely to remain at/above normal through next weekend.

AVIATION. for 06Z TAF Issuance Issued at 1014 PM CST Sat Dec 14 2019

Skies should clear overnight, with the exception of some bands of lake effect clouds north of a Merrill to Iron Mountain line. There may also be some clouds over Door County from cold air moving over the bay. Snow showers with brief MVFR conditions are possible at times at D25/LNL/EGV/RHI overnight.

After any lake effect clouds dissipate, Sunday should feature good flying weather that will continue Sunday night.

GRB WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Kieckbusch LONG TERM . Hykin AVIATION . RDM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CBRW3 - Chambers Island, WI 10 mi41 min W 8.9 G 16 19°F
MN4 - 9087088 - Menominee, MI 19 mi51 min W 7 G 9.9 15°F 36°F1013 hPa12°F
KWNW3 - 9087069- Kewaunee, WI 45 mi51 min WNW 11 G 16 15°F 1012.9 hPa
FPTM4 - Fairport, MI 47 mi41 min NW 12 G 16 20°F 1011.5 hPa

Wind History for Menominee, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Door County Cherryland Airport, WI19 mi25 minWNW 810.00 miA Few Clouds17°F14°F88%1014.6 hPa
Menominee - Marinette Twin County Airport, MI21 mi25 minWNW 310.00 miFair10°F8°F92%1014.9 hPa

Link to 5 minute data for KSUE

Wind History from SUE (wind in knots)
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Last 24hrW3W3W5W4W7NW7W7W6W8W10W8W7W10W8W11NW12NW11NW9NW10NW11
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1 day agoW4W5W4W4W5W3W3CalmW5W6W6W4W3W4W4S4CalmW5W4W3W3W3CalmW3
2 days agoCalmE3NE6
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S7S6S4SW3CalmW4W4W3W3NW5NW6NW4NW5NW3

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 (5,6,7,8)
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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 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.