St. Francis, WI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for St. Francis, WI

April 15, 2024 8:38 PM CDT (01:38 UTC) Change Location
Sunrise 6:06 AM   Sunset 7:36 PM
Moonrise 11:16 AM   Moonset 2:40 AM 
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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.

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Marine Forecasts
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LMZ645 North Point Light To Wind Point Wi- 705 Pm Cdt Mon Apr 15 2024

.gale watch in effect from Tuesday evening through Wednesday morning - .

Tonight - Northeast wind 5 to 10 knots rising to 10 to 15 knots after midnight, then veering east early in the morning. Mostly clear. Waves 1 to 2 feet.

Tuesday - East wind 10 to 20 knots becoming 15 to 20 knots with gusts to around 25 knots in the late morning and early afternoon, then becoming 15 to 25 knots with gusts to around 35 knots late in the afternoon. Chance of showers in the afternoon. Waves 2 to 4 feet building to 5 to 7 feet.

Tuesday night - East wind up to 30 knots with gusts to around 35 knots veering southeast with gusts to around 35 knots late in the evening, then easing to 15 to 25 knots with gusts to around 30 knots after midnight becoming southeast 15 to 25 knots early in the morning. Rain showers and a chance of Thunderstorms. Waves 7 to 9 feet.

Wednesday - Southeast wind 10 to 20 knots veering south 15 to 20 knots late in the morning, then veering southwest early in the afternoon becoming southwest 15 to 20 knots late in the afternoon. Rain showers and a chance of Thunderstorms. Waves 5 to 7 feet subsiding to 4 to 6 feet late in the morning, then subsiding to 3 to 5 feet early in the afternoon subsiding to 3 to 4 feet late in the afternoon.

LMZ600
No data


7 Day Forecast for Marine Location Near St. Francis, WI
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Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 152008 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 308 PM CDT Mon Apr 15 2024

KEY MESSAGES

- Rounds of showers and storms will likely (60-85%) bring over an inch of rain Tuesday afternoon through Wednesday afternoon with pockets of 2-2.50 inches or more possible especially over south central WI.

- There is a conditional severe threat for far south central WI Tuesday afternoon and evening.



SHORT TERM
Issued 308 PM CDT Mon Apr 15 2024

Tonight through Tuesday night:

A sfc ridge continues to slowly shift ewd this afternoon while a lake breeze is gradually moving inland. Another very mild day with very low relative humidity is occurring.

For tnt and Tue AM, strong low pressure will move from the central high plains and across NE. Ely winds and clouds will increase with only 20-30 percent chances of showers and storms over sw WI through noon. Afterward, strong low to mid level thetae advection is expected ahead of the occluded low and negative tilt upper wave. An ATM river with PWs of 1.2-1.4 inches will arrive with the warm front reaching far sw WI around early evening, although some of the strongest convection may go through beforehand. Thus much of srn WI will see elevated showers and storms but with mdt effective shear and MUCAPE of 1000-1500 J/KG especially toward sw WI where the frontal inversion won't be as deep. Thus the highest SVR potential for large hail and damaging winds will be along and west of a line from WI Dells to Madison to Janesville with lesser chances to the east. Heavy rainfall will also occur with the HRRR PMM producing rain accum of 2-2.50 inches over sw WI and portions of south central WI. Will message both the SVR risk and heavy rainfall.

A dry slot will arrive late Tue evening into the overnight while a narrow warm sector will lift into srn WI. The cold front or occluded front will then pass from early Wed AM to late morning as the occluded low tracks to west central WI by 18Z Wed. There does appear to be enough instability and CAPE for another round of showers and storms but with high uncertainty on SVR potential.

Gehring

LONG TERM
Issued 308 PM CDT Mon Apr 15 2024

Wednesday night through Monday:

The low will move away by Wed evening with declining winds and little to no pcpn left. A large upper low will then move along the Canadian/US border with shortwave troughs rotating through the nrn Great Plains into the Great Lakes. 850-700 mb frontogenesis associated with the features will bring rain chances of 30-50 percent for Thu into Thu eve. A cold front will then follow with a prolonged period of nwly winds until high pressure arrives for Sun-Mon. High temps only in the 50s and lows in the 30s are forecast for Fri-Sun with perhaps 60F on Mon.

Gehring

AVIATION
Issued 308 PM CDT Mon Apr 15 2024

VFR conditions today, tonight, into early Tue afternoon but with breezy ely winds developing on Tue. Widespread showers and storms will then move into sw WI and south central WI late Tue afternoon with MVFR Cigs developing, along with significant reductions in Vsbys and Cigs within the storms.

Gehring

MARINE
Issued 308 PM CDT Mon Apr 15 2024

Light and variable winds will become east to northeast over all of the open lake by late afternoon. Easterly winds will then develop and increase late tonight into Tuesday morning over the south half of the lake as low pressure of 29.2 inches approaches from the Central Plains. Brisk easterly winds are expected by Tuesday evening with a potential for gales over much of the lake into Wednesday. A Gale Watch is now in effect for this period.

The low will slowly move across central Wisconsin on Wednesday reaching northern or central Lake Michigan Wednesday evening with a central pressure around 29.5 inches. The brisk southeast winds over the southern half of the lake will shift southwesterly Wednesday afternoon, while brisk and possible easterly gales will continue across the far northern portion of the lake. The winds will finally turn westerly but much weaker for late Wednesday night over the far north. Light to modest westerly winds Thursday morning will then turn southwest for the afternoon across the entire lake. For the nearshore waters from Sheboygan to Winthrop Harbor, a Gale Watch is in effect Tuesday night.

Gehring

MKX WATCHES/WARNINGS/ADVISORIES
WI...None.
LM
Gale Watch
LMZ080-LMZ364-LMZ366-LMZ563-LMZ565-LMZ567-LMZ669- LMZ671-LMZ673-LMZ675-LMZ777-LMZ779-LMZ868-LMZ870-LMZ872- LMZ874-LMZ876-LMZ878...6 PM Tuesday to 10 AM Wednesday.

Gale Watch...LMZ261-LMZ362...6 PM Tuesday to 7 PM Wednesday.

Gale Watch...LMZ643-LMZ644-LMZ645-LMZ646...6 PM Tuesday to 7 AM Wednesday.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MLWW3 - Milwaukee, WI 0 mi29 min E 5.1G5.1 46°F
PWAW3 - Port Washington, WI 26 mi59 min NE 8G13 48°F 30.08
KNSW3 - Kenosha, WI 29 mi39 min NNE 1G1 49°F 30.03
WHRI2 - Waukegan Harbor, IL 45 mi99 min S 1.9


Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMKE GENERAL MITCHELL INTL,WI 4 sm46 minESE 0610 smA Few Clouds55°F39°F54%30.02
KMWC LAWRENCE J TIMMERMAN,WI 11 sm53 minESE 0510 smClear63°F32°F32%30.04
KRAC BATTEN INTL,WI 18 sm45 minESE 0410 smClear54°F39°F58%30.05
KUES WAUKESHA COUNTY,WI 19 sm53 minE 0810 smClear57°F34°F41%30.03
Link to 5 minute data for KMKE


Wind History from MKE
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Tide / Current for
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Weather Map
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GEOS Local Image of GreatLakes   
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Milwaukee, WI,



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