Friday, January24, 2020
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Marine Weather and Tides
Abrams, 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 7:17AMSunset 4:51PM Friday January 24, 2020 8:23 PM CST (02:23 UTC) Moonrise 8:24AMMoonset 5:36PM Illumination 0% Phase: New Moon; Moon at 29 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:202001250515;;460231 Fzus53 Kgrb 242121 Nshgrb Nearshore Marine Forecast National Weather Service Green Bay Wi 321 Pm Cst Fri Jan 24 2020 For Waters Within Five Nautical Miles Of Shore On Lake Michigan Lmz521-522-250515- 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- 321 Pm Cst Fri Jan 24 2020
Tonight..NE wind 10 to 15 kts. Patchy fog. Drizzle in the evening. Light snow. A chance of drizzle and freezing drizzle after midnight.
Saturday..N wind 10 to 15 kts. Patchy fog in the morning. A slight chance of light snow in the morning. A chance of drizzle and freezing drizzle.
Saturday night..NW wind 5 to 10 kts. A chance of drizzle and freezing drizzle.
Sunday..NW wind 5 to 10 kts. Cloudy. Waves omitted due to ice coverage. This is the last issuance of the nearshore forecast for the bay of green bay for the season. The forecast for the bay will again be issued on or around april 1, 2020.
LMZ522


7 Day Forecast for Marine Location Near Abrams, WI
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location: 44.75, -87.96     debug


Area Discussion for - Green Bay, WI
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FXUS63 KGRB 242317 AFDGRB

Area Forecast Discussion National Weather Service Green Bay WI 517 PM CST Fri Jan 24 2020

Updated aviation portion for 00Z TAF issuance

SHORT TERM. Tonight and Saturday Issued at 254 PM CST Fri Jan 24 2020

Vertically stacked low pressure continues to slowly work its way toward the area. Lull in the steadier precip will quickly be replaced by a large area of precip pushing in from the southeast associated with a plume of moisture and upper level shortwave energy rotates around the low (nicely shown on the GOES water vapor imagery).

Precip type will be challenging this evening as forecast soundings show enough cold air aloft for the precip to be snow; however, temps near the surface have climbed into the middle 30s across the Fox Valley and lake shore. This will lead to the precip starting as rain in many spots. Dynamical cooling and precip loading in the heavier precip will likely change the rain over to snow at times through early evening. But dewpoints at or above freezing and not a lot of cold air to transfer down could limit things. As the temp column slowly cools through the evening, a transition to mainly snow is expected. Snow totals look to be in the 1-3" range for most spots, but a couple spots could be closer to 4" if the snow transitions over quicker than anticipated. It will be a pretty wet snow, plus ground temps near freezing will promote some melting and compaction. If this event was not preceded by a couple rounds of accumulating snow, would lean towards issuing an advisory. But with totals under 3" expected for most locations and not much wind, will go the SPS route. Temps won't budge much through the night with lows in the upper 20s and lower 30s.

On Saturday, the low pressure will slowly track toward Lake Huron. Periods of light snow, drizzle and freezing drizzle is expected to continue. Additional snow accumulations look to be under an inch for most locations. With the thick cloud cover and light north winds, temps will remain in the 30s.

LONG TERM. Saturday Night Through Friday Issued at 254 PM CST Fri Jan 24 2020

No major weather systems in the long term forecast, main focus is on small snow/precip changes and temperatures trends.

Saturday evening . There will still be some mid-level energy wrapping around the departing low pressure system, keeping a chance of light pcpn in the forecast through Saturday night, especially across eastern and northeast Wisconsin. P-types may be mixed for a period through the evening as forecast soundings/time sections show a loss of mid-level moisture. This results in a mix of SN/FZDZ/DZ across E and NE WI. Boundary layer temps near Lake Michigan may also be just above freezing, then fall below freezing after midnight, which could also affect p-types. Current forecast handles this fairly well, bringing what's left of the precip back to all snow by 6AM Sunday, with flurries through the rest of the Sunday.

The rest of the week . Broad zonal flow across Wisconsin will keep temperatures relatively mild with small chances for pcpn here and there. Dry weather is anticipated Monday, then models diverge on if/when small shortwaves provide just enough lift to see some light snow (or rain as daytime temps warm into the lower to middle 30s). Used a general model blend for the forecast, which features small chance PoPs Wednesday through Friday, but confidence on exact timing is low this far out.

The main story of the week will likely be the mild temperatures, with highs in the low to middle 30s, and lows in the 20s. These are anywhere from 10 to 20 degrees above normal for late January. It may be possible to see a few slick spots develop during the nights if enough melting occurs during the day, then refreezes at night.

AVIATION. for 00Z TAF Issuance Issued at 517 PM CST Fri Jan 24 2020

Poor flying conditions will continue across the area through much of Saturday as a slow moving low pressure system tracks across the Great Lakes. Look for IFR and possibly LIFR CIGs and IFR VSBYs with periods of light snow, drizzle, fog and mist. Only minor improvements to flying conditions are expected late Saturday morning into the afternoon. Perhaps the most notable improvement will be the visibilities.

GRB WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Bersch LONG TERM . KLJ AVIATION . Cooley


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MN4 - 9087088 - Menominee, MI 31 mi54 min 32°F 35°F1011.1 hPa32°F
KWNW3 - 9087069- Kewaunee, WI 32 mi54 min 34°F 1009.7 hPa

Wind History for Menominee, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Green Bay, Austin Straubel International Airport, WI21 mi31 minNNE 112.00 miLight Snow Fog/Mist33°F30°F92%1011.2 hPa

Link to 5 minute data for KGRB

Wind History from GRB (wind in knots)
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Last 24hrE5NE6E6E7E6E6E6NE6NE6NE8NE8NE9NE12NE13NE11NE9NE9NE10NE10NE9N9NE9N9NE11
1 day agoSW4S6S3S3S4S5S5S5SE4SE4SE4SE4SE4SE4CalmCalmNE4NE7NE9NE10NE8NE6NE6NE5
2 days agoSW17
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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 (21,6,7,8)
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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.