Sunday, March7, 2021
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Marine Weather and Tides
Beverly Shores, IN

Version 3.4
NOTICE
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 6:10AMSunset 5:46PM Sunday March 7, 2021 5:22 PM CST (23:22 UTC) Moonrise 3:42AMMoonset 12:44PM Illumination 31% Phase: Waning Crescent; Moon at 24 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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LMZ745 Expires:202103080400;;626771 Fzus53 Klot 072145 Nshlot Nearshore Marine Forecast National Weather Service Chicago/romeoville Il 345 Pm Cst Sun Mar 7 2021 For Waters Within 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 Waves, Along With The Average Height Of The Highest 10 Percent Of The Waves Which Will Occasionally Be Encountered. Lmz743>745-080400- Calumet Harbor To Gary-gary To Burns Harbor- Burns Harbor To Michigan City- 345 Pm Cst Sun Mar 7 2021
Tonight..Northeast winds 5 to 10 kt becoming southeast 10 to 20 kt early this evening then southwest 15 to 25 kt overnight. Partly cloudy. Waves 1 to 3 ft.
Monday..Southwest winds 15 to 25 kt becoming west 10 to 20 kt in the afternoon. Mostly Sunny. Waves 2 to 4 ft.
Monday night..Northeast winds 5 to 10 kt becoming south after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 ft.
Tuesday..South winds 10 to 20 kt increasing to 20 to 25 kt in the afternoon. Mostly cloudy in the morning then becoming mostly Sunny. Waves 1 to 3 ft.
LMZ745


7 Day Forecast for Marine Location Near Beverly Shores, IN
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location: 41.69, -86.99     debug


Area Discussion for - Chicago, IL
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FXUS63 KLOT 072114 AFDLOT

Area Forecast Discussion National Weather Service Chicago/Romeoville, IL 314 PM CST Sun Mar 7 2021

SHORT TERM. 300 PM CST

Through Monday night .

A broad area of cirrus spread out across the area ahead of a quick moving shortwave rounding the upper ridge has acted to limit warming just a bit today, especially over our snow covered areas which are still in the mid 40s and locations along and south of the Kankakee River valley which will likely only top out in the mid 50s.

The low-level jet will increase in strength in the wake of the aforementioned disturbance overnight also increasing gustiness at the surface tonight into tomorrow morning out of the southwest with gusts to 25 to near 30 mph possible. This persistent southwesterly flow will act to advect warmer air into the local area with highs in the 60s likely for snow-free areas, upper 60s are even possible along and south of the Kankakee River Valley. Areas with a rather resilient snow pack that acts to limit how warm those areas can get, so did nudge down highs into the upper 50s for those locations. The stronger surface winds gradually shift south during the afternoon as surface high pressure dips closer to the area. This should act to weaken the surface gradient and wind gusts in the evening, which in turn will provide the lake breeze an opportunity to push inland in the early evening resulting in quickly dropping temperatures for areas near the lakeshore into the 30s and lower 40s.

Another disturbance ejecting off the Rockies approaches the area by Monday evening which will again result in an increase in high clouds over the area. This should help limit any fog concerns. If this cloud cover is delayed a bit more, thanks to increasing surface dew points and additional added moisture from expected melting of the remaining snowpack, there could be some patchy fog/haziness Monday evening before surface winds begin to ramp up and high clouds stream in overhead Monday night.

Petr

LONG TERM. 300 PM CST

Tuesday through Sunday .

We'll have gusty southerly winds in advance of the approaching warm front Tuesday afternoon, with gusts approaching 30 mph as our gradient tightens. Southerly flow will continue throughout Tuesday overnight into Wednesday, actually increasing to near 40 mph by Wednesday afternoon. This trajectory will advect in warm, moist air, with dewpoints approaching the lower 50s by Wednesday overnight, favoring our northwestern counties. Isentropic ascent associated with this warm front combines with a weak vort lobe to create rain showers early Wednesday morning. Although we'll be cloudy with rain, the strong southerly winds will allow our temperatures to climb once again into the 60s. Chances for precipitation may decrease somewhat Wednesday afternoon as we're between vort lobes, but will increase again Wednesday overnight with the approaching cold front. The best area for showers should be further west of our region where dynamics are a bit better for heavier rain and even a chance for thunderstorms, but not so great for our region due to a strong cap in place around 700 mb (around 8000 ft), with a decently dry atmosphere above this cap. This cap will erode throughout the day, but instability will also decrease, minimizing our chances for thunderstorms, with a short-lived moment of increased low-level instability (approaching 100 J/kg CAPE) Wednesday evening.

Precipitation is expected to continue throughout Wednesday night, with the cold front moving through Thursday morning, increasing our chances for heavier rain and creating a slight chance for possible thunderstorms, but presently the chance for thunder is low. Winds will turn northerly behind the front. There isn't a strong upper level support for this front, so it will not move south of us very quickly, allowing the rain to linger throughout Thursday into Thursday evening. The colder air is lagging behind, with 850 mb temperatures dropping from close to 10 C Wednesday overnight to close to 2 C Thursday night. Temperatures will cool down to lows in the mid to upper 30s and highs near 50 Friday afternoon.

Another surface low will approach from the southwest quickly after this cold front, bringing back more rain Friday overnight, the best chances of rain appearing to be south of I-80 at this time. Cold air will continue to filter into our region from the north, with some areas seeing lows Saturday morning slightly below freezing. These low temperatures will create a chance for rain/snow mix Saturday morning, switching primarily to rain Saturday afternoon as we warm up to the upper 40s. The chance for rain/snow mix will return Sunday morning as temperatures will again drop to below freezing at most locations Sunday morning, creating another chance for rain/snow mix Sunday morning. Once again we'll see any rain/snow mix to switch to liquid precipitation Sunday afternoon as we warm up again.

BKL

CLIMATE. 330 AM CST

A very mild air mass will be over the region Monday through Wednesday. If high temperatures overperform on Tuesday March 9th, readings could approach the current record highs for the date. Then record high minimum temperatures will likely be threatened or broken on Wednesday March 10th, most likely at Rockford.

Tuesday March 9th . Record High for Chicago: 69 in 1974 Record High for Rockford: 68 in 1977

Wednesday March 10th . Record High Min for Chicago: 52 in 1876 Record High Min for Rockford: 44 in 2010 Forecast Low: Lower 50s for both Chicago and Rockford

Castro

AVIATION. For the 18Z TAFs .

VFR conditions are expected through the TAF period.

Wind directions will prevail south to south southeasterly today varying at times between 190-150 degrees this afternoon into early evening. If we have a bit more gustiness, especially across the Chicago area terminals, winds may sporadically turn south southwesterly this afternoon. To account for this, opted for a prevailing 180 degree direction at ORD and MDW through this evening.

A low-level jet will develop overnight resulting in marginal LLWS potential into early Monday morning with increasing gustiness at the surface as winds turn more west southwesterly. Surface gusts increase through Monday morning into the mid 20 kt range before gradually easing in the afternoon. A lake breeze will be possible as the surface pressure gradient eases, but this looks to occur beyond the current 30 hr TAF period.

Petr

LOT WATCHES/WARNINGS/ADVISORIES. IL . None. IN . None. LM . None.

Visit us at weather.gov/chicago

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MCYI3 - Michigan City, IN 5 mi32 min SSE 7 G 8 48°F 21°F
BHRI3 - Burns Harbor, IN 9 mi42 min S 6 G 7 49°F 1028.1 hPa
CMTI2 - 9087044 - Calumet, IL 29 mi52 min SSE 8 G 13 1026.5 hPa
CHII2 - Chicago, IL 35 mi32 min SE 8.9 G 9.9 37°F 33°F
CNII2 35 mi22 min SE 1.9 G 4.1 39°F 30°F
OKSI2 37 mi82 min ESE 7 G 12 42°F
SJOM4 - St. Joseph, MI 39 mi22 min E 1.9 G 2.9 37°F 1029.1 hPa (-0.4)
FSTI2 40 mi82 min 38°F

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Michigan City Municipal Airport, IN9 mi27 minS 410.00 miFair46°F21°F37%1028.4 hPa
Valparaiso Porter County Municipal Airport, IN17 mi26 minS 610.00 miFair48°F25°F41%1029.1 hPa
Gary Regional Airport, IN23 mi37 minSSE 910.00 miFair50°F25°F37%1027.8 hPa

Link to 5 minute data for KMGC

Wind History from MGC (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE4S5S4SE5SE3SE5S6S5S4S4
1 day agoN3CalmNE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW4N5NW5NW5N5N5N7N8NE5
2 days agoN4N3N5N5N5N4CalmNE3CalmCalmCalmCalmCalmCalmCalmNW3NW8W6NW8NW8
G15
N8NW9N6N6

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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