Wednesday, December11, 2019
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Marine Weather and Tides
Powell, 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 7:42AMSunset 5:07PM Wednesday December 11, 2019 2:50 AM EST (07:50 UTC) Moonrise 4:57PMMoonset 6:58AM Illumination 100% Phase: Full Moon; Moon at 14 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- 348 Pm Est Tue Dec 10 2019
.small craft advisory in effect through late Wednesday night...
Tonight..West winds 15 to 25 knots becoming southwest. Mostly cloudy this evening, then clearing. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet.
Wednesday..Southwest winds 15 to 25 knots becoming west. Mostly Sunny. Waves 3 to 6 feet building to 4 to 7 feet, then subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
Wednesday night..West winds 15 to 25 knots diminishing to 10 knots or less. Partly cloudy. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet.
Thursday..South winds 5 to 10 knots. Partly Sunny. Waves 1 foot or less. SEe lake erie open lakes forecast for Friday through Sunday. The water temperature off toledo is 39 degrees, off cleveland 41 degrees, and off erie 40 degrees.
LEZ144 Expires:201912110315;;156093 FZUS51 KCLE 102048 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 348 PM EST Tue Dec 10 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. LEZ144-145-110315-


7 Day Forecast for Marine Location Near Powell, OH
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location: 40.17, -83     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 110533 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 1233 AM EST Wed Dec 11 2019

SYNOPSIS. Slightly cooler than normal temperatures will remain entrenched across the region through midweek before warmer air filters back in by this weekend. Rain chances will return by Friday into Saturday with another chance for precipitation again by early next week.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Highly amplified mid level flow with long wave trof from central Canada thru the nations mid section. High level clouds over ILN/s FA will continue shifting east giving way to clearing overnight. Also, stratocumulus clouds across Central Illinois will track ese and dissipate some -- with remnant scattered clouds pushing across Eastern Indiana and Western Ohio overnight.

Low level CAA has resulted in a quick drop of temperatures where skies have already began to clear over the northwest. Have made slight adjustment colder with overnight lows from the upper teens northwest to the lower 20s southeast.

SHORT TERM /6 AM THIS MORNING THROUGH 6 AM THURSDAY/. Temperatures will start off near 20 on Wednesday morning under clear skies as high pressure continues to build in across the Ohio Valley from the west on Wednesday morning. Some clouds are expected to move through the area late Wednesday morning into Wednesday afternoon as a weakening surface trough moves across the area. Ahead of the trough, winds will briefly shift to southerly before becoming westerly once again as high pressure moves overhead Wednesday evening. Flurries may be possible in central Ohio Wednesday afternoon as the trough moves through.

Wednesday night will be clear and calm under high pressure which will lead to efficient radiational cooling. Lows are expected to bottom out in the upper teens in the northeastern portions of the CWA and low 20s across the southwestern CWA. Some rural locations may be a little colder.

LONG TERM /THURSDAY THROUGH TUESDAY/. Surface high pressure will move off to the east on Thursday while the region remains under a quasi-zonal flow aloft. Clouds will increase along with increasing southerly flow. Highs will warm into the lower to mid 40s.

For the period Thursday night into Friday night, large scale mid level flow will begin to amplify into a trough across the eastern CONUS. This will eventually develop weak lift which will result in a chance of light pcpn for southern areas late Thursday night into Friday. Depending on the onset, it may begin briefly as a rain/snow mix before changing to rain as temperatures warm. The amplification of the mid level trough will perturb a surface low over the southeast U.S., which is expected to deepen and move northeast toward the mid Atlantic by Friday night. This will keep the threat of some rain across the region on the back side with the highest PoPs expected across the south/east. Lows in the upper 20s to the lower 30s will warm back into the lower 40s on Friday with temperatures staying in the 30s Friday night.

For Saturday into Saturday night, deepening low pressure will pull away north toward the mouth of the St. Lawrence River. Will continue with a chance of rain or rain likely on Saturday. A cold front will then move across the region Saturday night, which will bring a mix of rain and snow before ending. Highs in the 40s on Saturday will drop into the 25 to 30 degree range by Sunday morning.

Sunday is forecast to be dry as surface high pressure traverses the region. Highs will be in the 30s.

For Sunday night into Tuesday, models are suggesting another weather system developing out of the mid section of the U.S. then moving into the Great Lakes and the Ohio Valley. A surface low will likely move through the region, but much uncertainty exists at this juncture on its exact path. Rain/snow, or a wintry mix may occur with perhaps, pcpn changing back to snow before ending by Tuesday. Highs and lows will be dependent on the strength and track of the surface low. This is too far out in the extended to get too detailed at this time, so have gone with the NBM for lows/highs.

AVIATION /06Z WEDNESDAY THROUGH SUNDAY/. VFR conditions are expected through the night as winds become light out of the west or just south of west. On Wednesday, a weak upper level disturbance will develop a couple layers of clouds in the afternoon hours, but ceilings should stay above VFR limits. Winds will gust to near 15-20 knots out of the west in the afternoon, then shift to the northwest, then north as they weaken in the evening hours.

OUTLOOK . MVFR ceilings and visibilities possible Friday and Saturday.

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

SYNOPSIS . Campbell/KC NEAR TERM . AR SHORT TERM . Campbell LONG TERM . Hickman AVIATION . Hogue


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 87 mi66 min SW 4.1 21°F 1025 hPa13°F
HHLO1 - Huron Light, OH 88 mi51 min WSW 7 G 12 20°F 1023.7 hPa (-0.0)
MRHO1 - 9063079 - Marblehead, OH 96 mi57 min SW 5.1 G 11 21°F 37°F1025 hPa10°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbus, Ohio State University Airport, OH7 mi58 minWSW 710.00 miFair20°F10°F65%1028.4 hPa
John Glenn Columbus International Airport, OH13 mi60 minW 610.00 miPartly Cloudy22°F9°F57%1028.3 hPa
Marysville Union County Airport, OH19 mi54 minW 710.00 miFair19°F11°F71%1026.7 hPa
Columbus, Bolton Field Airport, OH20 mi56 minSW 510.00 miFair17°F12°F80%1027.4 hPa
Rickenbacker Air National Guard Base, OH24 mi56 minSW 510.00 miFair20°F13°F77%1027.8 hPa

Link to 5 minute data for KOSU

Wind History from OSU (wind in knots)
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1 day agoS9S8S8SE6S10S11SE11S14
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2 days agoSE7SE7SE7SE6SE7SE3S9S8S8S9S8S7S8S8S8S8S9S9S8S9S7S9S7S5

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 (2,6,7,8)
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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.