Thursday, July2, 2020
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Marine Weather and Tides
Port Clinton, 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 6:02AMSunset 9:11PM Thursday July 2, 2020 2:11 PM EDT (18:11 UTC) Moonrise 5:51PMMoonset 2:47AM Illumination 91% Phase: Waxing Gibbous; Moon at 12 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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LEZ143 Expires:202007022015;;198483 Fzus51 Kcle 021350 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 950 Am Edt Thu Jul 2 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>144-022015- 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- 950 Am Edt Thu Jul 2 2020
This afternoon..North winds 10 knots or less becoming southeast. Sunny. Waves 1 foot or less.
Tonight..Southwest winds 10 knots or less becoming west. Clear. Waves 1 foot or less.
Friday..Northwest winds 10 knots or less becoming north. Sunny. Waves 1 foot or less.
Friday night..Northeast winds 5 to 10 knots. Mostly clear. Waves 1 foot or less. SEe lake erie open lakes forecast for Saturday through Monday. The water temperature off toledo is 75 degrees, off cleveland 65 degrees, and off erie 68 degrees.
LEZ143


7 Day Forecast for Marine Location Near Port Clinton city, OH
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location: 41.53, -82.99     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 021736 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 136 PM EDT Thu Jul 2 2020

SYNOPSIS. High pressure will remain in control across the region today through Friday. A weak cold front will move south towards the area Friday night, but should remain north of the area with high pressure returning through early next week.

NEAR TERM /THROUGH FRIDAY/. Continued just minor changes to the forecast for this afternoon. Diurnal cumulus has developed as expected inland and will persist for the next several hours. Temperatures remain on track from prior forecasts.

Previous Discussion . High pressure will continue to dominate the area today through Friday. Some diurnal cumulus expected today, otherwise mostly sunny skies are expected, with mainly clear skies tonight. A weakening mid level trough will sink south across the Great Lakes Friday afternoon, which in combination with modestly unstable conditions could be enough to spark a few isolated showers/storms across the local area. Have opted for low slight chance pops across the area during the afternoon hours. Highs today will be in the upper 80s to low 90s across much of the area. Highs Friday could be a degree or two warmer across the board, contingent on any precip/cloud cover.

SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/. Continued heat will be the focus of the forecast through the holiday weekend. The forecast area will reside downstream of a high amplitude upper level ridge over the Plains and Upper Midwest. A shortwave will round ridge Friday night but expecting any thunderstorms that develop to dissipate by evening as we lose diurnal support. The passage of this trough will allow temperatures on Saturday to drop back 2 to 3 degrees into the upper 80s across far NE Ohio and NW Pennsylvania while inland areas remain at or above 90 degrees. The airmass will be relatively dry with dewpoints mixing down to near 60 degrees in the afternoon so heat index values will mirror temperatures. Temperatures start to creep up on Sunday with nearly all areas in the 90s and mid 90s possible in NW Ohio. Overnight lows will also see an upward trend, with some areas only dropping to the low 70s on Sunday night.

LONG TERM /MONDAY THROUGH THURSDAY/. A prolonged stretch of above normal temperatures will continue through the extended forecast. The upper ridge axis nudges eastward over the Great Lakes on Monday and Tuesday which may prove to be the hottest days before moisture and chances of showers and thunderstorms increase by midweek. Portions of the area will see several consecutive days with highs in the mid 90s and low temperatures continuing to creep up as the heat persists. Although heat index values are not forecast to reach advisory levels at this time, the prolonged duration of the heat, dry conditions, and ample sun will begin to take a toll, especially on sensitive groups. Moisture will begin to creep back up Tuesday into Wednesday and we start to see a chance of showers and thunderstorms return to the area. It is unclear when the ridge will finally break down, but could see enough energy at least round the ridge Tuesday night and Wednesday to warrant a chance of thunderstorms in the forecast. Temperatures will eventually trend down a degree or two but the added humidity will maintain similar heat index values.

It is worth noting during this stretch, the GFS appears to be an outlier with 850 temperatures averaging about 4C cooler than the Canadian/ECMWF. Given the building heat over the Plains and dry airmass, preference lies towards the warmer ECMWF MOS temperature forecast.

AVIATION /18Z Thursday THROUGH Tuesday/. VFR conditions will continue through the period with high pressure remaining to the northwest of the region. Some diurnal cumulus has developed as expected this afternoon and will diminish the evening. As high pressure retreats a bit, winds will be more favored out of the west to northwest tonight and into Friday. More diurnal cumulus is expected on Friday, although with a mid-level trough moving through the eastern Great Lakes region, some isolated showers and thunderstorms are possible, away from the lake.

Outlook . VFR.

MARINE. Although high pressure will generally remain in control of the weather, a series of weak troughs will slide south across the eastern Great Lakes through Friday. Lake breezes will develop on the central and western Lake Erie today while westerly winds increase to near 15 knots on the east end of the lake for a few hours this evening. Both the fetch and duration not expected to be long enough for a Small Craft Advisory, but choppy conditions with 2 to 4 foot waves can be expected for a few hours in the PA waters. For the holiday weekend, land and lake breeze circulations expected to persist with speeds of 15 knots or less.

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

SYNOPSIS . Greenawalt NEAR TERM . Greenawalt/Sefcovic SHORT TERM . KEC LONG TERM . KEC AVIATION . Sefcovic MARINE . KEC


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CMPO1 2 mi102 min E 5.1 G 6 79°F
SBIO1 - South Bass Island, OH 10 mi72 min ESE 4.1 G 5.1 78°F 1017.4 hPa (+0.6)
MRHO1 - 9063079 - Marblehead, OH 14 mi54 min ENE 4.1 G 5.1 77°F 76°F1017.5 hPa61°F
TWCO1 18 mi32 min ESE 9.9 G 11 77°F
45165 19 mi62 min ESE 7.8 G 9.7 78°F 78°F1 ft64°F
THLO1 - Toledo Light No. 2 OH 23 mi72 min SE 9.9 G 9.9 78°F
HHLO1 - Huron Light, OH 25 mi72 min NNE 4.1 G 5.1 75°F 1016.9 hPa (+0.3)
OWXO1 - Old Woman Creek, OH 28 mi87 min NNE 2.9 77°F 1017 hPa68°F
THRO1 - 9063085 - Toledo, OH 28 mi54 min E 8 G 8.9 82°F 1017.4 hPa60°F
LORO1 42 mi42 min N 5.1 G 6 75°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monroe, Custer Airport, MI37 mi76 minWNW 610.00 miPartly Cloudy87°F51°F30%1017.3 hPa

Link to 5 minute data for KTTF

Wind History from TTF (wind in knots)
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Last 24hrS7S4SE6S3S11
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S5SE4CalmCalmCalmCalmCalmCalmCalmW8CalmCalmNW3NW3N3NW4NW6NW6S7
1 day agoE8SE9
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E9SE6SE6SE7CalmE4NE3E4CalmCalmCalmNW4N7N5W7CalmCalmE4SE5SE7SE5
2 days agoS5S5CalmCalmS4SE3SE4CalmCalmCalmCalmCalmCalmCalmCalmW5W6N5NE4CalmN4E6NE6E5

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
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 (14,3,4,5)
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Ground Weather Radar Station Cleveland, 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 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.