Thursday, March30, 2017 L-36.com


Marine Weather and Tides
Sturgeon Bay, WI

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:32AMSunset 7:19PM Thursday March 30, 2017 1:43 AM CDT (06:43 UTC) Moonrise 8:21AMMoonset 10:32PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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- 918 Pm Cdt Wed Mar 29 2017
.small craft advisory in effect from Thursday afternoon through Friday morning...
Rest of tonight..E wind 10 to 15 kts. Waves 2 ft or less. A chance of light rain. A chance of light snow after midnight.
Thursday..NE wind 15 to 25 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. A chance of light rain in the morning. A chance of light snow. Light rain likely in the afternoon.
Thursday night..NE wind to 30 kts. Waves 3 to 5 ft. Light rain likely with decreasing chances after midnight.
Friday..NE wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Mostly cloudy.
LMZ521 Expires:201703301030;;290381 FZUS53 KGRB 300218 NSHGRB NEARSHORE MARINE FORECAST NATIONAL WEATHER SERVICE GREEN BAY WI 918 PM CDT WED MAR 29 2017 FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN LMZ521-522-301030-

7 Day Forecast for Marine Location Near Sturgeon Bay, WI
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location: 44.87, -87.4     debug


Area Discussion for - Green Bay, WI
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Fxus63 kgrb 300350
afdgrb
area forecast discussion
national weather service green bay wi
1050 pm cdt Wed mar 29 2017
updated aviation portion for 06z TAF issuance

Short term Tonight and Thursday
issued at 254 pm cdt Wed mar 29 2017
mostly cloudy skies prevailed across the region this afternoon.

Temperatures ranged from the upper 30s near the lake michigan
shoreline to the upper 40s across the far north where the cloud
cover was not as thick.

Main concern for tonight will be snowfall totals across portions
of central and east-central wisconsin. Many complicating factors
to deal with including drier air advecting in from the east,
boundary and ground temperatures, and precipitation intensity and
qpf amounts. The 12z ECMWF has backed off on the heavier qpf
amounts across the fox valley and lakeshore region. Surface and
road temperatures should be a few degrees above freezing
overnight. With road and air temperatures slightly above freezing,
will need more intense precipitation to get snow to accumulate. At
this time, think an inch or two of snow is possible from wisconsin
rapids east to appleton to kewaunee, with lower totals to the
north and south. If a strong east-west band of precipitation can
set up for a period of time over the same area, locally higher
snowfall amounts are possible in this region. Also, the far north
is expected to get little or no precipitation with this system.

A mix of rain/snow should change over to mainly rain by late
morning on Thursday as temperatures warm into the upper 30s to
lower 40s. The warmest readings will be across the far north.

Long term Thursday night through Wednesday
issued at 254 pm cdt Wed mar 29 2017
precipitation type Thursday night, a generally dry weekend and the
track and precipitation trends with two significant low pressure
systems next week, are the main forecast highlights.

Low pressure tracking into the great lakes will continue to bring
gusty northeast winds and precipitation to most of the forecast
area Thursday night. Rh timesections show a lack of mid-level
moisture and ice crystals through the night, so precipitation
type should be mainly rain or freezing rain, depending on surface
temperatures. Have kept temperatures a little above freezing in
the fox valley and lakeshore areas, so anticipating mainly rain
there. Any ice accumulations that occur farther northwest should
be light. Lingering precipitation should exit our southeast
counties Friday morning.

High pressure will arrive for the weekend, bringing primarily
dry weather to the region. Clouds will be on the increase Saturday
night into Sunday, and a few light showers could arrive Sunday
afternoon.

Low pressure will develop in the southern plains Sunday night and
track northeast Monday and Monday night. The GFS and GEFS take the
low into the northern ohio valley, while the ECMWF takes if
farther south, through tennessee. The eventual track will
determine whether or not this only has a glancing blow on the
forecast area, but the best chances should be in southern
counties. Temperatures look warm enough for mainly rain.

Another low develops in the central plains on Tuesday and
tracks into central il on Wednesday. The models are in better
agreement with the track of this system, and suggest that most
of grb CWA should see at least light precipitation, with the
highest pops again in the south. The primary precipitation type
should be rain.

Aviation For 06z TAF issuance
issued at 1049 pm cdt Wed mar 29 2017
ceilings and visibilities will fall to ifr roughly
south of a wausau to green bay line tonight as light rain and
snow moves in from the west. Ifr conditions will likely continue
Thursday with continued light rain or snow. MVFR orVFR
conditions are expected further north with little precipitation.

Grb watches/warnings/advisories
None.

Short term... ..Eckberg
long term... ... Kieckbusch
aviation... ... .Rdm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MN4 - 9087088 - Menominee, MI 19 mi44 min N 12 G 13 34°F 1020.5 hPa (-2.9)32°F
CBRW3 - Chambers Island, WI 23 mi64 min NNE 6 G 8 33°F 1021.3 hPa
SYWW3 - Yacht Works Sister Bay WI 27 mi83 min E 5.1 G 9.9 37°F
KWNW3 - 9087069- Kewaunee, WI 28 mi44 min NE 6 G 8 37°F 1020.3 hPa (-2.3)
NPDW3 - Northport Pier at Death's Door WI 37 mi64 min E 9.9 G 12 36°F 1021.7 hPa

Wind History for Menominee, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sturgeon Bay, WI3 mi48 minENE 310.00 miOvercast34°F33°F97%1023 hPa
Menominee, Menominee-Marinette Twin County Airport, MI21 mi48 minNNE 610.00 miOvercast34°F27°F76%1021.7 hPa

Wind History from SUE (wind in knots)
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Last 24hrNE4N3NE4NE6NE7NE7NE8NE8NE8NE7NE8NE85NE6NE11NE8NE7NE7NE7NE4NE7NE3N3NE3
1 day agoNW3NW4NW3NW3NW4N5N3E4E4NE5NW5N6N5NW5E54E5CalmCalmCalmCalmNW4CalmN4
2 days agoNW5NW6W4NW5--N5N7N8N5N5--N8N5N5NE4N6N4CalmCalm--CalmN3NW4NW4

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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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of GreatLakes    EDIT
Geos

Wind Forecast for Green Bay, WI (2,6,7,8)
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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.