Thursday, September16, 2021
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Marine Weather and Tides
Princeton, WI

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:33AMSunset 7:04PM Thursday September 16, 2021 2:41 PM CDT (19:41 UTC) Moonrise 5:22PMMoonset 1:17AM Illumination 77% Phase: Waxing Gibbous; Moon at 10 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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LMZ643 Sheboygan To Port Washington Wi- 108 Pm Cdt Thu Sep 16 2021
Rest of today..South wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon.
Tonight..South wind 15 to 20 knots easing to 10 to 15 knots early in the morning. Clear. Waves 2 to 4 feet.
Friday..Southwest wind 10 to 15 knots backing south in the late morning and early afternoon, then veering west late in the afternoon. Chance of showers and slight chance of Thunderstorms in the afternoon. Waves 1 to 2 feet.
Friday night..North wind 10 to 15 knots veering northeast early in the morning. Slight chance of showers and Thunderstorms through around midnight. Waves 1 to 2 feet.
LMZ643 Expires:202109162200;;722472 FZUS53 KMKX 161808 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 108 PM CDT Thu Sep 16 2021 For waters within five nautical miles of shore on Lake Michigan LMZ643-162200-


7 Day Forecast for Marine Location Near Princeton, WI
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location: 43.93, -89.08     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 161850 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 150 PM CDT Thu Sep 16 2021

SHORT TERM. (Issued 150 PM CDT Thu Sep 16 2021)

Tonight through Friday night:

High pressure continues to pull east away from the area from lower Michigan.The return southerly flow has got underway and will continue overnight ahead of low pressure in the northern Plains. Progs show any precipitation associated the approaching low and cold front would hold off to just northwest of the area later tonight. The 500 millibar wave/vort axis will move through southern WI Friday afternoon and perhaps into the early evening hours. This in combo with the lower level forcing with the frontal boundary, we should see at least some broken coverage of showers/thunderstorms. MUCAPE values exceed 1000 j/kg with mid level lapse rates approaching 7c at times. 0-6 shear looks marginal though not bad. CAPE profile looks like the taller and skinner variety with the NAM soundings showing a deep and moist profile. Any lingering activity will start to head off to the southeast Friday evening with high pressure building in rather quickly behind the front into northern/central WI.

LONG TERM. (Issued 150 PM CDT Thu Sep 16 2021)

Saturday through Sunday night:

High pressure will linger across the areas on saturday along with a brief period of a low level thermal trough. The high will be on the move though and will quickly be off into the eastern Great Lakes by days end. Low level warm advection will then become dominant later Saturday through Saturday night. 925 temps will be on the rise into the low or mid 20s celsius (GFS warmest solution). The influence of broad mid level ridging will dominate and then start to head east with some energy starting to approach from the south late Sunday night but still expecting dry weather as the influence of this wave should stay to our south.

Monday through Tuesday:

A mild and very moist will spread northward into the area with more of a Gulf connection coming into play with higher RH/dew points working in within this flow. Expecting a good deal of cloud cover in this pattern with rain chances on the increase. Best rain chances and even some thunder look to arrive Monday night into at least Tuesday morning when influence of mid level wave and lower level front provide ample lift. Cold advection may get underway as soon as Tuesday afternoon.

Tuesday night through Thursday:

Potent cold advection will be underway at the outset of this period with likely the coolest airmass of the season poised to rush in on gusty NNW winds. With mid level flow remaining cyclonic may still see some showers from time to time on Wednesday. High pressure will start to shift off to the east on Thursday with a developing waa regime nudging the thermal trough off to the east.

AVIATION. (Issued 150 PM CDT Thu Sep 16 2021)

Quiet weather will continue tonight between departed high pressure and an approaching low. Southerly winds will prevail most places tonight. An approaching frontal boundary will bring the chance of showers and thunderstorms Friday into Friday evening.

MARINE. (Issued 150 PM CDT Thu Sep 16 2021)

Southerly winds will continue overnight between departed high pressure and an approaching low. This will bringing the highest wave activity to northern and central portions of the lake. Winds will become north to northeast later Friday into Saturday as a cold front sinks southward and stalls over the southern end of the lake. There will be a chance of a few showers or storms Friday afternoon into the early evening hours.

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

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PWAW3 - Port Washington, WI 74 mi61 min SSE 13 G 15 73°F 1019.3 hPa
SGNW3 - Sheboygan, WI 75 mi41 min S 16 G 19 70°F

Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wautoma, Wautoma Municipal Airport, WI14 mi45 minS 910.00 miFair79°F53°F41%1016.1 hPa

Link to 5 minute data for KY50

Wind History from Y50 (wind in knots)
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Last 24hr4W9S3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS7S8S13
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1 day agoW14W11W12W9W7W5W4W5W4W4W4W3CalmCalmCalmCalmCalmCalmNW4W33NW6NW6W8
2 days agoSE6SE5SE5E4E6E5E5E4SE4E4E4SE4CalmS7SW7SW6SW6W16W10W14
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Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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