Monday, December9, 2019
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Marine Weather and Tides
Delaware, OH

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:41AMSunset 5:07PM Monday December 9, 2019 9:58 AM EST (14:58 UTC) Moonrise 3:44PMMoonset 4:51AM Illumination 94% Phase: Waxing Gibbous; Moon at 13 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 Lake Erie Nearshore Waters From The Islands To Vermilion Oh- Lake Erie Nearshore Waters From Vermilion To Avon Point Oh- 404 Am Est Mon Dec 9 2019
.small craft advisory in effect from this evening through Tuesday afternoon...
Today..South winds 10 to 15 knots becoming southwest 15 to 20 knots. Rain. Waves 2 feet or less.
Tonight..Southwest winds 10 to 15 knots becoming west and increasing to 15 to 25 knots. Rain showers likely in the evening, then a chance of rain showers overnight. Waves 1 to 3 feet building to 3 to 6 feet. Waves occasionally around 7 feet.
Tuesday..West winds 15 to 25 knots diminishing to 10 to 15 knots. A chance of rain and snow showers. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet.
Tuesday night..West winds 10 to 15 knots increasing to 15 to 20 knots. Mostly cloudy in the evening, then becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet. SEe lake erie open lakes forecast for Wednesday through Friday. The water temperature off toledo is 39 degrees, off cleveland 41 degrees, and off erie 40 degrees.
LEZ144 Expires:201912091530;;079709 FZUS51 KCLE 090904 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 404 AM EST Mon Dec 9 2019 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. LEZ144-145-091530-


7 Day Forecast for Marine Location Near Delaware, OH
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location: 40.3, -83.07     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 091200 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 700 AM EST Mon Dec 9 2019

SYNOPSIS. Low pressure in the Midwestern States will lift into southern Ontario, providing rain through today into the evening hours. A strong cold front will bring sharply colder temperatures on Tuesday as the low exits to the northeast. Wednesday and Thursday will be cold and dry before temperatures begin to rebound late in the week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Rain has already begun to increase across the Tri State early this morning with development of a 45-50kt southwesterly low level jet as noted on radar data from TCVG and ILN. Expecting PoPs to generally increase from southwest to northeast through sunrise.

For the rest of the day, temperatures will continue to run well above normal, as high as the upper 50s in the southeast, under strong WAA. Precipitation will continue as upper level jet dynamics continue to be favorable for lift.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM TUESDAY/. Monday night into Tuesday, a strong cold front will push southeast, ending precipitation across much of the area as drier air works in aloft from the northwest and upper support exits to the east. However, model consensus shows increasing confidence that the front will slow across central Kentucky as a wave develops along it. This provides impetus for a precipitation shield to potentially touch our far southeastern counties (Scioto and Lewis), where light snow may develop on the cold side of the boundary. Added up to an inch of wet snow there, though admittedly the uncertainty is high as to the exact cutoff of the precipitation.

Temperatures will fall starting late Monday evening, then continue falling through the day on Tuesday. Skies will likely remain cloudy through the period under strong CAA conditions.

LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/. Any lingering light snow across our extreme southeast should taper off through Tuesday evening. With surface high pressure building in from the west, we should see an overall decreasing cloud trend through Tuesday night. The surface high will continue to build east into the Great Lakes region Wednesday into Wednesday night, with the axis of coldest air aloft shifting east across our area. This will help keep highs on Wednesday generally in the low to mid 30s. With the high centered just off to our northeast by Thursday morning, will undercut temps a bit for Wednesday night and go with lows in the teens. Thursday will also be dry and continued seasonably cool as the high shifts slowly off to the east. Highs on Thursday will be in the mid to upper 30s.

Quasi-zonal flow aloft mid week will become somewhat more amplified heading into the weekend as a series of mid level short waves move east out of the Plains. This will lead to a developing surface low over the eastern US, but the models continue to struggle with timing and placement of this. Nonetheless, in developing southerly lower level flow across the region on Friday, we should see some moisture advection up into our area. With still some uncertainty though, will just allow for some chance pops to spread across the region, mainly from Friday night into Saturday. Temperatures will moderate some through the end of the week, with highs Friday through Sunday mostly in the 40s.

AVIATION /12Z MONDAY THROUGH FRIDAY/. Rain is currently increasing at the terminals, and MVFR ceilings will soon develop based on model guidance. Expecting these to lower into IFR cigs by later this morning into early afternoon with continued periods of rain, with IFR visby also possible in mist.

TCVG radar currently measuring 45 knots of elevated wind out of the southwest at 2,000 feet AGL. These elevated winds will spread to the north and east this morning, with LLWS inserted at all terminals due to speed shear. Less certain are wind gusts in the 20-25 knot range mixing down to the surface, but did add them into the TAFs for the afternoon hours.

Expecting low cloud bases to lift into MVFR levels by later this evening due to some drying in the low levels after the rain ends. Latest guidance is slower to return VFR conditions until potentially by the end of the CVG TAF time frame.

OUTLOOK . No significant weather is expected.

ILN WATCHES/WARNINGS/ADVISORIES. OH . None. KY . None. IN . None.

SYNOPSIS . Hogue NEAR TERM . Hogue SHORT TERM . Hogue LONG TERM . JGL AVIATION . Hogue


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 80 mi74 min S 4.1 48°F 1007 hPa43°F
HHLO1 - Huron Light, OH 81 mi59 min S 9.9 G 15 47°F 1005.1 hPa (-2.7)
MRHO1 - 9063079 - Marblehead, OH 88 mi65 min SSE 8 G 17 47°F 38°F1005.7 hPa44°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbus, Ohio State University Airport, OH15 mi66 minSSE 118.00 miLight Rain47°F44°F90%1007.4 hPa
Marysville Union County Airport, OH16 mi64 minS 115.00 miOvercast47°F45°F94%1006.4 hPa
Marion, Marion Municipal Airport, OH22 mi66 minS 124.00 miLight Rain Fog/Mist47°F44°F90%1007.4 hPa
John Glenn Columbus International Airport, OH22 mi68 minSSE 117.00 miLight Rain47°F44°F90%1008.1 hPa

Link to 5 minute data for KOSU

Wind History from OSU (wind in knots)
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Last 24hrS8S8S9S8S7S8S8S8S8S9S9S8S9S7S9S7S5S9S8S8SE6S10S11SE11
1 day agoNE3CalmCalmSE33S5S4S3CalmSE4E3SE4SE7SE6SE5SE4SE5SE7SE7SE7SE6SE7SE3S9
2 days agoW4W9NW13NW10NW10N10NW7NW9N8N10N5N4N5NW6NW5N4N4N6NW5NW3CalmCalmCalmCalm

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    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 Wilmington, OH (9,2,3,4)
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Ground Weather Radar Station Wilmington, OH
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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 numerious 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.