Fox Lake, IL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Fox Lake, IL

April 19, 2024 5:47 PM CDT (22:47 UTC) Change Location
Sunrise 6:02 AM   Sunset 7:40 PM
Moonrise 3:38 PM   Moonset 4:29 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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LMZ740 Winthrop Harbor To Wilmette Harbor Il- Wilmette Harbor To Northerly Island Il- Northerly Island To Calumet Harbor Il- 321 Pm Cdt Fri Apr 19 2024

.small craft advisory in effect until 7 pm cdt this evening - .

Tonight - West winds to 30 kt diminishing to 15 to 25 kt early this evening. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft.

Saturday - Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Mostly Sunny in the morning, then becoming partly cloudy. Waves 1 to 3 ft.

Saturday night - Northwest winds 10 to 15 kt becoming west. Mostly cloudy in the evening then clearing. Waves 1 to 2 ft.

Sunday - West winds 10 to 15 kt. Sunny. Waves 1 to 2 ft.

LMZ700
No data


7 Day Forecast for Marine Location Near Fox Lake, IL
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Area Discussion for - Chicago, IL
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FXUS63 KLOT 192018 AFDLOT

Area Forecast Discussion National Weather Service Chicago/Romeoville, IL 318 PM CDT Fri Apr 19 2024

KEY MESSAGES

- Gusty west winds 35-40 mph persist this afternoon.

- Potential for patchy frost/temperatures briefly near freezing toward sunrise across our northwest cwa. Freezing temperatures more likely Sunday morning for the same area.

- Next chance for rain Monday night through Tuesday

- Another period of inclement weather possible towards the end of next week

DISCUSSION
Issued at 318 PM CDT Fri Apr 19 2024

Through Saturday Night:

Deep upper level low pressure was evident in water vapor imagery across Ontario this afternoon, with a fast westerly 125+ kt upper level jet streak along the southern periphery of the low across the upper Midwest. At the surface, low pressure was stacked beneath the upper low to our north, while a ridge of high pressure extended from Montana to the lower Missouri and Ohio river valleys. Within the gradient north of the ridge axis, strong west to west-northwest flow was in place across the forecast area, with otherwise dry but cool conditions across the region. The surface ridge is forecast to eventually drift eastward Saturday and Saturday night, allowing winds to gradually ease with time.

In the near term, surface dew points in the 25-30F range were producing relative humidities in the 30-35 percent range in spots this afternoon, and may go a little lower still through mid- afternoon. Combined with winds gusting as high as 35-40 mph at times, this will continue to produce a somewhat elevated fire danger through sunset. The cool, dry air mass will also support temperatures lowering into the 30s across the area tonight, with some potential for dipping near the freezing mark across our northwest cwa for a brief time toward sunrise.
However, winds are expected to remain up a bit overnight within the stronger pressure gradient, and those 7-12 mph will likely prevent widespread freezing temperatures and frost formation for our cooler northwest areas. At this time, in collaboration with WFOs DVN and MKX have elected to hold off on any frost/freeze headlines for tonight but later shifts will monitor for stronger decoupling of boundary layer winds which could portend a greater freeze risk. Winds will remain breezy, with 20-25 mph gusts on Saturday, but will diminish more Saturday night with the surface ridge edging east. Frost/freeze conditions thus look to be more of an issue late Saturday night/Sunday morning.

Otherwise, a period of mid-level cloud cover is expected this evening across our southern cwa, with mainly clear conditions farther to the north. Forecast soundings suggest more of a diurnal scattered to broken stratocu deck on Saturday, before skies clear Saturday night. HRRR/RAP actually depict some light convective precip during the day Saturday, though forecast soundings suggest fairly shallow cloud layer and a stout inversion around 5 kft which argues against carrying any pops/precip mention in the forecast. Persistent low-level cold advection will result in cooler temps through Saturday, with low-mid 30s for lows tonight and highs from the upper 40s to lower 50s Saturday. As indicated above, more widespread lower-30s are possible across parts of northern IL away from the metro late Saturday night.

Ratzer

Sunday through Friday:

High pressure will remain as the dominant weather feature for Sunday and most of the day on Monday allowing dry conditions to prevail. Winds are also expected to become southerly Sunday night into Monday which will allow temperatures to gradually warm towards more typical readings in the 60s. While these southerly winds will also advect in higher dew points during the day on Monday, forecast soundings do show that the atmosphere may be able to mix into the base of a stout dry layer aloft. If this is indeed the case then dew points may be slower to increase and/or possibly decrease Monday afternoon leading to lower RH values than forecast. Couple the potential for lower RH readings with the expectation for winds to be gusting around 25 mph at times and there could be the potential for heightened fire weather concerns during this period.

Our next opportunity for rain is expected to arrive Monday night through Tuesday as a shortwave trough pivots through the Great Lakes. Guidance has started to indicate that there could actually be two periods of showers, one initially with the warm advection ahead of the trough Monday night and the second with a cold front Tuesday afternoon. While the impacts are nearly identical with each round, there is the potential for some thunderstorms Tuesday afternoon if sufficient instability can materialize. However, low-level moisture does look to be somewhat limited Tuesday afternoon which may limit the coverage of thunder. Therefore, have decided to keep an isolated (around 20% chance) mention for now.

As the cold front exits into Indiana Tuesday night, showers and any storms will come to an end as mid-level ridging begins to build into the central CONUS. While this will allow for a period of dry weather for the middle of the week, it will also generate a period of slightly cooler temperatures (highs in the 50s) as colder air filters in behind the aforementioned front.
Unfortunately, the dry weather looks to be short lived as guidance continues to show a series of troughs developing across the western CONUS and ejecting towards the Great Lakes towards the end of next week into next weekend. Obviously there is still some uncertainties in exact timing and specifics, but it does look as if we are in for another period of inclement weather.

Yack

AVIATION /18Z TAFS THROUGH 00Z SUNDAY/
Issued at 1229 PM CDT Fri Apr 19 2024

The sole forecast concern for this TAF period is the gusty west-northwest winds this afternoon. Gusts are generally expected to remain around 30 kts this afternoon, but occasionally higher gusts between 30 to 35 kts are possible.
While gusts will diminish somewhat this evening, forecast soundings show that the atmosphere may remain mixed overnight so expect at least periodic gusts around 20 kts to persist overnight and through Saturday. Otherwise, expect FEW to SCT VFR clouds this afternoon to gradually increase to BKN VFR ceilings Saturday afternoon.

Yack

LOT WATCHES/WARNINGS/ADVISORIES
IL...None.
IN...None.
LM...Small Craft Advisory until 7 PM CDT this evening for the IL and IN nearshore waters.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
WHRI2 - Waukegan Harbor, IL 19 mi107 min W 13
KNSW3 - Kenosha, WI 22 mi47 min WSW 13G19 53°F 30.03
MLWW3 - Milwaukee, WI 44 mi37 min W 14G19 53°F
OKSI2 45 mi107 min WNW 5.1G13 57°F
CHII2 - Chicago, IL 46 mi27 min W 29G33 56°F 29°F
CNII2 48 mi32 min W 20G22 55°F 22°F


Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KUGN WAUKEGAN NATIONAL,IL 15 sm56 minW 17G2810 smA Few Clouds55°F25°F30%30.02
KENW KENOSHA RGNL,WI 18 sm54 minW 21G3510 smA Few Clouds55°F27°F33%30.01
KBUU BURLINGTON MUNI,WI 21 sm12 minW 21G2510 smPartly Cloudy52°F25°F35%30.03
Link to 5 minute data for KUGN


Wind History from UGN
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Tide / Current for
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Weather Map
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GEOS Local Image of great lakes   
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Milwaukee, WI,



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