Wednesday, August5, 2020
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Marine Weather and Tides
Bayside, 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 5:45AMSunset 8:09PM Wednesday August 5, 2020 7:55 AM CDT (12:55 UTC) Moonrise 9:39PMMoonset 7:34AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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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LMZ644 Port Washington To North Point Light Wi- 706 Am Cdt Wed Aug 5 2020
Today..West wind 5 to 10 knots backing southeast late in the afternoon. Sunny in the morning then becoming partly Sunny. Waves around 1 foot.
Tonight..South wind 5 to 10 knots veering southwest early in the morning. Partly cloudy. Waves around 1 foot.
Thursday..West wind 5 to 10 knots becoming south late in the morning, then becoming southeast early in the afternoon rising to 10 to 15 knots late in the afternoon. Mostly Sunny. Waves around 1 foot.
Thursday night..Southeast wind 10 to 15 knots becoming south 5 to 10 knots in the late evening and overnight. Mostly clear. Waves around 1 foot.
LMZ644 Expires:202008051600;;969764 FZUS53 KMKX 051206 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 706 AM CDT Wed Aug 5 2020 For waters within five nautical miles of shore on Lake Michigan LMZ644-051600-


7 Day Forecast for Marine Location Near Bayside, WI
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location: 43.24, -87.86     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 051144 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 644 AM CDT Wed Aug 5 2020

UPDATE.

Discussion updated for 12z TAF issuance. Otherwise, no major changes were made to the previous forecast as dry and quiet conditions associated with high pressure are still expected today through the end of the week.

AVIATION(12Z TAFS).

A few mid and high level clouds continue to work their way into areas generally west of I-90 this morning and may gradually spread east. Otherwise, quiet and dry conditions with light westerly winds are expected to persist through the period as a surface high centered over IL skirts eastward through the day. Will likely see some mid-level clouds develop this afternoon. A lake breeze is progged to develop this afternoon accompanied by a southerly wind shift for areas near the lake as well. Nonetheless, VFR conditions will prevail today through this evening.

PREV DISCUSSION. (Issued 324 AM CDT Wed Aug 5 2020)

SHORT TERM .

Today through Thursday . Forecast Confidence is Medium/High .

Today is starting off unseasonably cool with temps about 10 to 15 degrees below normal in the 50s to upper 40s in some spots. Could also potentially see some fog develop in the WI River Valley this morning, but confidence is not real high especially given some mid- level clouds trying to work their way into western portions of the CWA. Otherwise, today should be quiet and dry thanks in part to a surface high centered over IL slowing skirting its way east across the Midwest. Mostly clear skies this morning are expected to eventually become partly cloudy as diurnal driven cumulus develops in the afternoon. Temps look to warm up into the mid to upper 70s. Additionally, could see a lake breeze develop this afternoon and cool areas by the lake a few degrees. Not expecting any convection along this boundary as dry air and subsidence across the area should limit any development.

Tonight is looking to be mostly dry and cool again with slightly warmer lows in the upper 50s to near 60 degrees. Models have been trying to bring a weakening shortwave trough across MN/IA and into southern WI/northern IL overnight into Thursday morning, which could bring a few light showers/sprinkles to the area. However, the latest 00z runs seemed to have backed off on precip chances for our area as better precip chances remain to our west.

Otherwise, the aforementioned surface high will gradually shift eastward through Thursday. This is expected to shift the winds back to a more southerly flow across southern WI, which will begin to advect warmer temps and moisture into the region. Looking at highs on Thursday to be a bit warmer than today with temps closer to normal in the upper 70s.

LONG TERM .

Thursday Night and Friday . Forecast Confidence High .

High pressure will be slowly moving east of the area on Friday, but will still have enough of an influence to keep temps and dewpoints on the comfortable side. By Friday night, warm advection and the surface and aloft will begin to overspread the area, with a noticeable increase in humidity expected by Saturday.

Saturday through Mid Week Next Week . Forecast Confidence Medium .

The return of a warmer and more unstable airmass will also result in chances for showers and thunderstorms over the weekend and into early next week. The region will be within a broad axis of warm and moist advection through the weekend, with weak, somewhat perturbed flow aloft. A lack of focusing mechanisms suggests a disorganized smattering of showers and thunderstorms each day, with a likely diurnal peak during the afternoon and early evening. Will also need to watch for the influence of any decaying MCS activity from the west/northwest, and associated MCVs. Overall, forecast confidence is high when it comes to the warmer temps and higher humidity, but exact timing and coverage and rain chances remains uncertain.

A weak front may eventually try to make a run on the area during the early to middle portions of next week, though timing remains uncertain.

AVIATION(09Z TAFS) .

A few mid-level clouds are working their way into areas west of I-90 this morning, while areas east remain mostly clear. Quiet and dry conditions with light westerly winds are expected to continue through the period as a surface high centered over IL skirts eastward across the Midwest today. Will likely see some mid-level clouds develop this afternoon along with a lake breeze that will shift winds to the southeast for areas near the lake. Nonetheless, VFR conditions will prevail today.

MARINE .

High pressure centered over IL will dominate the region today. Light to occasionally moderate west to northwest flow is expected across area water today. Eventually the high will gradually shift east through the evening and into Thursday and winds will shift to the south-southwest. These light southerly winds are expected to linger into Friday before increasing over the weekend as warmer and more humid air pushes into the region.

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . None.

Update . Wagner Today THROUGH Thursday and Aviation/Marine . Wagner Thursday Night THROUGH Tuesday . Boxell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45013 10 mi56 min SSW 14 G 14 63°F 70°F1 ft1019.4 hPa (+1.0)
PWAW3 - Port Washington, WI 10 mi76 min W 4.1 G 8 58°F 1020 hPa
MLWW3 - Milwaukee, WI 16 mi46 min W 5.1 G 7 60°F
SGNW3 - Sheboygan, WI 36 mi56 min W 8.9 G 11 58°F
KNSW3 - Kenosha, WI 45 mi116 min W 8 G 9.9 59°F 1019.3 hPa (+0.7)

Wind History for Kewaunee MET, WI
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NW7
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N6
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N6
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G13
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G14
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G12
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G11
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G11

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Milwaukee-Timmerman, WI13 mi61 minWSW 410.00 miFair54°F46°F77%1019.6 hPa
Milwaukee, General Mitchell International Airport, WI19 mi64 minVar 510.00 miPartly Cloudy60°F50°F70%1019 hPa
West Bend Municipal Airport, WI20 mi61 minN 010.00 miFair52°F51°F100%1019.3 hPa
Waukesha County Airport, WI24 mi71 minN 010.00 miPartly Cloudy52°F48°F88%1020 hPa

Link to 5 minute data for KMWC

Wind History from MWC (wind in knots)
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Last 24hrN9
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CalmCalmCalmCalmCalmCalmCalmCalmSW5SW3W3CalmSW4
1 day agoNW8N9NW9N10N8N8N11N12N9N11N9N8
G15
N6N5N7N6N8N8N8N8N7N5N6N8
2 days agoW4W5W6W6E7E8W7NE9
G14
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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 Milwaukee/Sullivan, WI (8,2,3,4)
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Ground Weather Radar Station Milwaukee, 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.