Whiting, IN Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Whiting, IN

December 1, 2023 8:27 PM CST (02:27 UTC)
Sunrise 6:56AM   Sunset 4:22PM   Moonrise  9:09PM   Moonset 12:02PM 

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Marine Forecasts
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LMZ779 Expires:202312020500;;729692 Fzus63 Kmkx 012050 Glflm
open lake forecast for lake michigan national weather service milwaukee/sullivan wi 250 pm cst Fri dec 1 2023
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered.
modest to brisk northeast winds will continue over the lake tonight as low pressure around 29.8 inches tracks from central illinois to lake erie. Light to modest east winds will then prevail for Saturday into Saturday night, as another weak low pressure area tracks from the great plains to around far southern lake michigan by Sunday morning. After the low passes, modest north to northwest winds will develop over the lake for late Sunday into Monday.
lmz080-669-671-673-675-777-779-870-872-874-876-878-020500- lake michigan from michigan city in to st. Joseph mi 5 nm offshore to mid lake- lake michigan from sheboygan to port washington wi 5 nm offshore to mid lake- lake michigan from port washington to north point light wi 5 nm offshore to mid lake- lake michigan from north point light to wind point wi 5 nm offshore to mid lake- lake michigan from wind point wi to winthrop harbor il 5 nm offshore to mid lake- lake michigan from winthrop harbor to wilmette harbor il 5 nm offshore to mid lake- lake michigan from wilmette harbor il to michigan city in 5 nm offshore to mid lake- lake michigan from whitehall to pentwater mi 5 nm offshore to mid lake- lake michigan from grand haven to whitehall mi 5 nm offshore to mid lake- lake michigan from holland to grand haven mi 5 nm offshore to mid lake- lake michigan from south haven to holland mi 5 nm offshore to mid lake- lake michigan from st. Joseph to south haven mi 5 nm offshore to mid lake- 250 pm cst Fri dec 1 2023
sheboygan wi to pentwater mi south...
Tonight..Northeast winds 10 to 20 kt. Rain. Patchy fog overnight. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
Saturday..Northeast winds 10 to 15 kt becoming east. Patchy fog in the morning. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Saturday night..East winds 10 to 15 kt becoming southeast. Rain likely overnight. Waves 1 to 3 ft.
Sunday..Southeast winds 10 to 20 kt backing to northwest. Rain in the morning, then chance of rain in the afternoon. Waves 2 to 4 ft.
Sunday night..Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
Monday..Northwest winds 10 to 20 kt becoming west. Waves 2 to 4 ft.
Monday night..Southwest winds 10 to 20 kt. Chance of rain showers. Waves 2 to 4 ft.
Tuesday..West winds 10 to 20 kt becoming northwest 15 to 25 kt. Chance of rain showers. Waves 2 to 4 ft.
Wednesday..Northwest winds 10 to 20 kt becoming west. Waves 3 to 5 ft.

No data

7 Day Forecast for Marine Location Near Whiting, IN
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Area Discussion for - Chicago, IL
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Area Forecast Discussion National Weather Service Chicago/Romeoville, IL 703 PM CST Fri Dec 1 2023

Issued at 703 PM CST Fri Dec 1 2023

It's a soggy night with pockets of drizzle, scattered showers, and fog. Much of the same is expected overnight albeit with gradually decreasing coverage of showers in favor of fog and drizzle. As a result, temperatures overnight will be pretty similar to where they stand now and in the upper 30s (northwest) to lower 40s (elsewhere).

Tomorrow, the signal remains that a thick (2500-3000 feet deep)
layer of low-level stratus will hold tight beneath a strong inversion rooted near 800mb. Temperatures will, accordingly, hold pretty steady in the lower 40s. With steep lapse rates through the stratus layer, areas of drizzle may prevail particularly during the evening hours as the next system approaches from the southwest. For this reason, opted to explicitly mention a slight chance of drizzle in our official forecast all day tomorrow carried by 20% chances for measurable rain though some (many?)
hours may end up completely dry.

Updated products will be sent soon.


Issued at 328 PM CST Fri Dec 1 2023

Through Tonight...

Key messages:

* Precipitation increasing in coverage again this afternoon into this evening. Most locations will see all rain, but snow may mix in with the rain, or even fall as the outright precipitation type, roughly along and northwest of a Dixon to Woodstock, IL line.

* Where snow falls in our forecast area, road accumulations are unlikely, but areas north and west of Rockford may receive anywhere from a dusting to an inch or so of slushy snow accumulation on grassy and elevated surfaces.

The core of the upper-level disturbance that helped foster this morning's widespread precipitation has long since departed to our east. Lingering low-level moisture allowed for some areas of light rain/drizzle to hang around into this afternoon, and this precipitation is still being observed across a good chunk of our forecast area as of this writing. Meanwhile, a residual vort max hanging out back closer to the center of a surface low in west- central Illinois has helped an additional area of stratiform precipitation flare up across the northwestern portion of the state this afternoon. The expectation is that this area of precipitation will continue to expand in coverage through the remainder of this afternoon and into this evening as this vort max shears out and shifts east and as a trailing shortwave over the lower Missouri River Valley rides up a southwest-northeast oriented baroclinic zone into the area.

Surface temperatures predominantly in the 40s across much of our CWA will support rain remaining as the sole precipitation type at most locations. However, across our northwestern counties, temperatures will be cold enough to support snow mixing in at times and even falling as the outright precipitation type. Surface temperatures there are still expected to remain at or above freezing, which should help mitigate road impacts, but webcam imagery just across CWA lines in Freeport, IL has shown that the snow there has fallen at a steady enough clip to accumulate on grass at least, and a similar scene could be seen in extreme northwestern portions of our forecast area (roughly west and north of Rockford). Any snow accumulation that occurs within our forecast area would be unlikely to be much more than a slushy inch due to the marginal surface temperatures and limited residence time of the steadier snowfall rates.

Most or all of the precipitation is then expected to end during the overnight hours as the aforementioned trailing shortwave starts to peel away. Precipitation could acquire a more drizzle-like nature again before ending as forecast soundings indicate that cloud ice should be lost before saturation depths within the overhead stratus deck are slashed by a meaningful amount. Even then, some guidance indicates the stratus deck could remain deep enough to support patches of drizzle through and beyond sunrise tomorrow morning, though confidence in this outcome being realized at this time is only low-medium.


Issued at 223 PM CST Fri Dec 1 2023

Saturday through Friday...

Key Messages:

* Several chance of light precip, mostly rain, Saturday night through Tuesday morning * Period of dry and unseasonably mild weather late next


We'll be between weather systems Saturday, but with no push of drier air, stratus is expected to linger through the day. Model guidance varies with respect to the depth of the saturated (ie stratus) layer, generally between 3-5kft thick during the morning. Given the expected depth of the stratus, it wouldn't take much for some drizzle to occur and have introduced a chance of drizzle during the morning. During the afternoon, ceilings may lift a bit and stratus is expected to thin a bit, so held off on adding drizzle to the forecast during the afternoon, but wouldn't be hard to envision drizzle lingering later. The thick cloud cover generally neutral to slight cold air advection should result in temps basically flatlining all day Saturday.

Saturday night-Sunday night:

Progressive shortwave trough is progged to ripple across the area bringing a period of mostly rain, starting late Saturday evening and continuing into Sunday morning. Thick stratus and warm air advection in advance of the system should result in temps generally remaining steady Saturday night. Thermal profiles support all rain over most of the area, though far northwest CWA could could see rain mix with or change to wet snow as slightly drier low levels could allowing for a bit of wet-bulb cooling.
Temps should generally remain just above freezing at the surface, so at this point the threat of any accums on roads appears minimal (<25%).

Rain should taper off to drizzle or end during the day as the trough axis shifts east of the area. Fast on the heels of this wave, another shortwave trough is progged to track mainly just south of the CWA Sunday night into early Monday morning. Stronger forcing should remain mostly south of our CWA, but did hang onto the slight chance pops southern CWA offered up by the NBM.

Monday-Tuesday night:

Monday should be dry with seasonable temps followed by another quick moving shortwave trough, an Alberta Clipper, moving quickly across the region Monday night into Tuesday morning. There could be some showers Monday night associated with the warm air advection wing of this clipper. Once again, cloudiness and warm air advection should result in a precip type of primarily rain with any showers that do occur. Better precip chances with this wave look to stay north of our area with sfc low progged to track north of our CWA.


Medium range guidance is in reasonably good agreement on pattern transitioning to more of a zonal flow late next week. Zonal flow this time of year tends to be a mild pattern. and with storm track associated with the northern stream jet expected to remain well north of our area, we could be headed toward a period of dry and unseasonably mild weather.

- Izzi

For the 00Z TAFs...

Aviation concerns:

* -RADZ with associated IFR vis and IFR/LIFR cigs tonight * -SNRA at RFD this evening

Rain and drizzle continues across the area this evening along with associated IFR visibility and ceilings and LIFR at GYY. This will gradually transition to mainly drizzle late evening into the early overnight hours. There is a corridor of improved vis and cigs approaching the Chicago area terminals that could result in at least a brief period of improved vis and cigs. Will continue to monitor trends, though model guidance still supports a return to drizzle and reduced visibility. The better signal for LIFR/VLIFR visibility in fog remains mainly south of I-80 and accordingly have have held onto 3SM for the Chicago area terminals. It is possible that light drizzle persists into the morning hours on Saturday (20 percent), though cigs will gradually lift to MVFR after daybreak into the afternoon.

The earlier band of snow has since shifted east of RFD with light snow/flurries and even a period of VFR visibility. There is another band near the Freeport area shifting east that could bring another round of brief vis/cig reductions in snow (potentially mixed with rain) this evening.

Northeasterly winds will trend northerly overnight then return to a northeast to easterly direction during on Saturday.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
CHII2 - Chicago, IL 14 mi57 min NE 12G13 44°F 44°F
CNII2 16 mi42 min N 5.1G7 41°F 40°F
CMTI2 - 9087044 - Calumet, IL 17 mi57 min N 7G11 42°F 29.8042°F
OKSI2 17 mi147 min NE 1.9G4.1 42°F
BHRI3 - Burns Harbor, IN 20 mi47 min ENE 2.9G2.9 43°F 29.85
MCYI3 - Michigan City, IN 24 mi57 min NE 4.1G4.1 42°F 29.8342°F
WHRI2 - Waukegan Harbor, IL 42 mi87 min N 9.9G13 40°F
SJOM4 - St. Joseph, MI 45 mi87 min E 2.9G6 40°F 29.87

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Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KGYY GARY/CHICAGO INTL,IN 20 sm42 minNNE 045 smMostly Cloudy Mist 43°F43°F100%29.82

Wind History from GYY
(wind in knots)

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Chicago, IL,

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