Thursday, February20, 2020
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Marine Weather and Tides
Sandusky, OH

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:17AMSunset 6:11PM Thursday February 20, 2020 12:53 PM EST (17:53 UTC) Moonrise 5:50AMMoonset 3:17PM Illumination 9% Phase: Waning Crescent; Moon at 27 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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LEZ144 Expires:202002201530;;813402 Fzus51 Kcle 200816 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 316 Am Est Thu Feb 20 2020 For Waters Within Five Nautical Miles Of Shore Waves Are The Significant Wave Height - The Average Of The Highest 1/3 Of The Wave Spectrum. Occasional Wave Height Is The Average Of The Highest 1/10 Of The Wave Spectrum. Lez142>144-201530- Lake Erie Nearshore Waters From Maumee Bay To Reno Beach Oh- Lake Erie Nearshore Waters From Reno Beach To The Islands Oh- Lake Erie Nearshore Waters From The Islands To Vermilion Oh- 316 Am Est Thu Feb 20 2020
Today..North winds 5 to 10 knots. Mostly Sunny. Waves 2 feet or less.
Tonight..North winds 5 to 10 knots becoming west. Mostly clear. Waves 2 feet or less.
Friday..West winds 10 to 15 knots becoming southwest. Sunny. Waves 2 feet or less.
Friday night..Southwest winds 15 to 20 knots. Clear. Waves 2 feet or less. SEe lake erie open lakes forecast for Saturday through Monday. The water temperature off toledo is 34 degrees, off cleveland 35 degrees, and off erie 34 degrees.
LEZ144


7 Day Forecast for Marine Location Near Sandusky, OH
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location: 41.46, -82.71     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 201729 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 1229 PM EST Thu Feb 20 2020

SYNOPSIS. High pressure over the northern Plains will build south across the Mid-Mississippi and Ohio Valleys today, then continuing to the southeastern United States through Saturday. Mostly quiet weather is expected through the weekend. Another storm system will bring milder weather and widespread rainfall by early next week.

NEAR TERM /THROUGH FRIDAY/. No big changes for the afternoon.

Previous discussion . The weather is relatively quiet and uneventful this morning. We have some scattered to broken high cirrus moving across the Ohio Valley Region. The center of a Canadian high pressure system was currently centered over the Upper Midwest region this morning. This high pressure system will continue to bring northwesterly winds and cold advection today across the eastern Great Lakes. Temperatures will struggle today and only manage to reach the middle to upper 20s this afternoon. The center of the high will move down to the Mid- Mississippi Valley region by Friday morning.

The only weather concern for the next 36 hours will be the potential for some light lake effect snow showers for the primary Snowbelt region today through this evening. Scattered lake effect clouds and some flurries were already developing this morning for areas of far northeastern Ohio and northwestern Pennsylvania. Colder air aloft at 850 mb will continue to move in today with 850 mb temperatures falling down to -15C to -18c by mid afternoon. While not the best setup for organized lake effect snow bands, there will be some scattered lake effect snow showers by late morning through early evening for the higher terrain of Ashtabula County into Erie County and Crawford County PA. We could see a dusting to 1 inch of snowfall later today. Where skies are clear tonight and away from the lakeshore, low temperatures will be the coldest this week with temps down into the lower and middle teens. Southwesterly winds 10 to 20 mph will return on Friday on the back side of the exiting high pressure system. Afternoon temperatures will start the rebound process and make it to the middle and upper 30s which is just about typical for this time of year.

SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/. The short term forecast period remains very quiet, as previously advertised. High pressure to the southwest of the region on Friday night will continue to push east towards the Tennessee Valley on Saturday and then off the Southeast U.S. Coast on Sunday. This high is supported by a strong upper ridge, allowing for strong subsidence over the region, and in turn, dry weather. The main forecast challenge with this forecast period are the temperatures. The recovery will have begun on Friday, but as this high pressure pivots south and southeast of the region, warm air will surge into the region. Have continued to push temperatures warmer through the period with 40s across the area on Saturday and upper 40s to lower 50s on Sunday. Low pressure will enter from the southwest on Sunday night into Monday, and much of the wet weather will be for the long term forecast period (See Below), but have a chance of rain entering the western part of Ohio after Midnight on Sunday night.

LONG TERM /MONDAY THROUGH WEDNESDAY/. The long term forecast period will be quite the change from the quiet weather from the weekend. A shortwave trough will enter the Central Plains on Monday, supporting a low pressure system that will move through the Great Lakes region on Monday into Tuesday. This will bring wet weather back to the region to start the week and have likely PoPs at this time for portions of Monday. Have much of the precipitation type as rain as warm air still lingers over the region and high temperatures are expected to be in the 40s for much of the area. The low passes through the region on Tuesday and its associated cold front will clear by Tuesday afternoon, bringing temperatures down closer to normal. For Wednesday and beyond, the extended guidance has finally settled on the colder solution, featuring a sort of clipper system entering from the northwest. This system will bring the chance for some snow on Wednesday and beyond, as temperatures are back towards normal in the upper 30s for highs and mid 20s for lows.

AVIATION /18Z Thursday THROUGH Tuesday/. High pressure will continue to build into the region through the overnight hours and into Friday. Through the afternoon however, a cold northwest flow across Lake Erie will continue the threat of MVFR cigs and visibilities in scattered snow showers for northeast Ohio and northwest PA. From late afternoon into the evening expect dry air to overwhelm and lake induced forcing and bring the threat of snow showers to an end. Expect VFR conditions overnight and Friday.

OUTLOOK. Non-VFR possible with widespread snow and/or rain Sunday night into Monday morning and with rain Monday afternoon.

MARINE. High pressure over the Red River Valley will be the main factor for the marine weather through Sunday. This area of high pressure will expand over the Great Lakes today as it makes its slow journey from the northern Plains to the Southeast United States for this weekend. For today, this area of high pressure will remain centered northwest of Lake Erie, allowing for northwest flow over the lake, which has been losing strength with time. As this high pivots southwest of the lake on Friday into Saturday, flow will shift around more to the southwest. A low pressure system will be moving well north of the lake in Canada, and the resulting pressure gradient between this low to the north and high to the southwest will allow for winds to be somewhat strong, perhaps up to 20-25 knots on Friday into Saturday. This persistent flow will also allow for waves to build over the eastern half of the lake. At this point, a Small Craft Advisory seems likely for some period of Friday into Saturday. High pressure will move off the Southeast US coast on Sunday and flow will become lighter and more southerly, ending any hazardous marine weather. Low pressure entering the Central Plains on Sunday night and moving towards the Great Lakes region will allow for offshore, southeast flow over the lake on Monday.

CLE WATCHES/WARNINGS/ADVISORIES. OH . None. PA . None. MARINE . None.

SYNOPSIS . Griffin NEAR TERM . Griffin/TK SHORT TERM . Sefcovic LONG TERM . Sefcovic AVIATION . TK MARINE . Sefcovic


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MRHO1 - 9063079 - Marblehead, OH 6 mi60 min NNW 11 G 15 20°F 33°F1036.2 hPa6°F
HHLO1 - Huron Light, OH 10 mi54 min N 8.9 G 13 20°F 1034.2 hPa (+1.0)
OWXO1 - Old Woman Creek, OH 12 mi69 min NNW 4.1 22°F 1036 hPa9°F
SBIO1 - South Bass Island, OH 14 mi54 min NNW 12 G 14 21°F 1037.8 hPa (+0.9)
CMPO1 17 mi84 min NNW 11 G 13 21°F
LORO1 27 mi84 min N 11 G 15 20°F
TWCO1 33 mi34 min N 6 G 11
THLO1 - Toledo Light No. 2 OH 36 mi54 min NNW 9.9 G 12 21°F
THRO1 - 9063085 - Toledo, OH 44 mi60 min NW 8 G 13 22°F 1036.6 hPa3°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lorain / Elyria, Lorain County Regional Airport, OH29 mi61 minN 1110.00 miOvercast22°F10°F60%1036.7 hPa

Link to 5 minute data for KLPR

Wind History from LPR (wind in knots)
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Last 24hrNW11NW9NW8W6NW7NW4N3CalmSW3SW3SW4W5NW5N8N11N8N7N7N8N8N8N9N10N11
1 day agoW13
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2 days ago5SE7SE11NE9NE8E6NE6NE7E6E7SE8SE9SE10SE9S11S12SW11--W16
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of GreatLakes    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Cleveland, OH (12,3,4,5)
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Ground Weather Radar Station Cleveland, OH
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.