Tuesday, May23, 2017 L-36.com


Marine Weather and Tides
Two Rivers, 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 5:13AMSunset 8:21PM Tuesday May 23, 2017 3:49 AM CDT (08:49 UTC) Moonrise 4:10AMMoonset 5:41PM Illumination 6% Phase: Waning Crescent; Moon at 27 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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LMZ543 Rock Island Passage To Sturgeon Bay Wi- Sturgeon Bay To Two Rivers Wi-two Rivers To Sheboygan Wi- 904 Pm Cdt Mon May 22 2017
Rest of tonight..S wind 5 to 10 kts backing se after midnight. Waves 1 to 3 ft. Isolated showers and Thunderstorms.
Tuesday..NE wind 5 to 10 kts. Waves 2 ft or less. A chance of showers.
Tuesday night..NE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of showers.
Wednesday..NE wind 15 to 25 kts. Waves 2 to 4 ft. A chance of showers. A small craft advisory may be needed.
LMZ543 Expires:201705231030;;055282 FZUS53 KGRB 230204 NSHGRB NEARSHORE MARINE FORECAST NATIONAL WEATHER SERVICE GREEN BAY WI 904 PM CDT MON MAY 22 2017 FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN LMZ541>543-231030-

7 Day Forecast for Marine Location Near Two Rivers, WI
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location: 44.15, -87.56     debug


Area Discussion for - Green Bay, WI
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Fxus63 kgrb 230320
afdgrb
area forecast discussion
national weather service green bay wi
1020 pm cdt Mon may 22 2017
updated aviation portion for 06z TAF issuance

Short term Tonight and Tuesday
issued at 226 pm cdt Mon may 22 2017
the latest rap analysis and satellite/radar imagery show upper level
low pressure centered across lake superior, a compact shortwave
moving east over south dakota, and a surface trough positioned over
southern mn into nebraska. Scattered showers will continue to move
east from northwest wi into north-central and far NE wi for the rest
of the afternoon. Instability has been slow to build over central
and east-central wi so far today, but continue to see CU build up in
this area, and hi-res mesomodels continue to point towards some
showers developing. Any thunderstorms will most likely be isolated
given the lack of forcing and instability. More widespread shower
activity exists over sd with the compact vort max. As this
shortwave moves towards the area late tonight into Tuesday, rain
chances and trends will be the main forecast concerns.

Tonight... Upper troughing will continue to reside across the
northern great lakes, while the shortwave trough over eastern south
dakota moves into southwest wisconsin late in the night. A few
showers over far northern wi and also over east-central wi could
linger into the mid-evening hours. Once the lingering showers
diminish, should see a lull in the precip chances until the
shortwave over sd and associated surface low move into southwest
wisconsin late. Did slow the chances down somewhat based on the
latest model data. Low temps ranging from the upper 30s in the
north to near 50 over the southern fox valley.

Tuesday... The shortwave will swing northward across western
wisconsin, and will lay out a convergence zone just west of the fox
valley and bay of green bay. Though some showers will likely be
moving northeast across central wi at the start of the morning, this
convergent zone looks to be the focus for shower activity for the
rest of the day. Do not see much instability with clouds and precip
arriving in the morning, so left the mention of thunder out of the
forecast. Temps will be cooler in many spots, and range from the
upper 50s to low 60s across the region.

Long term Tuesday night through Monday
issued at 226 pm cdt Mon may 22 2017
precipitation trends are the main forecast concern.

An upper level trof and inverted surface trof will bring
showers to the entire region Tuesday night, and to the
southeast portion of the forecast area on Wednesday.

A weak ridge of high pressure will bring dry conditions
Wednesday night into Thursday evening, but small rain
chances will return as WAA develops late Thursday night
into Friday.

A series of weak short-wave trofs and associated cold fronts
will continue to bring periodic bouts of scattered showers
thunderstorms through the memorial day weekend, but the majority
of the period should be dry. Have sided more with ecmwf, as the
gfs has been exhibiting signs of convective feedback issues with
the weekend forecast over the last few days.

Below normal temperatures at the beginning of the period will
moderate to slightly above normal by Friday and Saturday, then
back to normal for the end of the holiday weekend.

Aviation For 06z TAF issuance
issued at 1020 pm cdt Mon may 22 2017
isolated convection noted along a boundary extending
over east central wisconsin late this evening. This boundary
extends to a low pressure system and upper disturbance over
northeast iowa. Anticipate more isolated showers and storms along
this boundary overnight with mainlyVFR conditions. Shower
activity may become more numerous over central and east central
wisconsin Tuesday along with MVFR/ifr CIGS developing. Since the
showers may be more scattered to isolated across northern
wisconsin, mainly MVFR CIGS anticipated through Tuesday afternoon.

Grb watches/warnings/advisories
None.

Short term... ..Mpc
long term... ... Kieckbusch
aviation... ... .Tdh


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KWNW3 - 9087069- Kewaunee, WI 22 mi49 min NNE 4.1 G 6 50°F 1009.2 hPa (-1.3)
SGNW3 - Sheboygan, WI 29 mi49 min N 7 G 8 51°F 1008.6 hPa (-1.5)48°F

Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Manitowoc, Manitowoc County Airport, WI6 mi53 minN 010.00 miPartly Cloudy50°F45°F83%1011.4 hPa

Wind History from MTW (wind in knots)
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SW10S4E3NE54NE33Calm
1 day agoCalmCalmSE4S7S9SW4SE7S8SW17
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2 days agoNE6NE8NE9E7
G14
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E10E13NE9NE7
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NE74E8E11
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E12E11NE8NE6NE3NE3CalmNE3CalmNE3

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 (4,6,7,8)
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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.