Tuesday, August21, 2018 L-36.com


Marine Weather and Tides
Port Clinton, OH

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Sunrise 6:47AMSunset 8:23PM Tuesday August 21, 2018 6:01 PM EDT (22:01 UTC) Moonrise 4:27PMMoonset 1:21AM Illumination 79% Phase: Waxing Gibbous; Moon at 10 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 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- 1005 Am Edt Tue Aug 21 2018
Rest of today..South winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers and Thunderstorms late this morning, then showers and Thunderstorms likely this afternoon. Waves 2 feet or less.
Tonight..West winds 15 to 20 knots becoming northwest. A chance of showers and Thunderstorms in the evening. Waves 1 to 3 feet.
Wednesday..Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of waterspouts. Waves 1 to 3 feet.
Wednesday night..North winds 5 to 15 knots becoming northwest. Mostly clear. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near Thunderstorms. SEe lake erie open lakes forecast for Thursday through Saturday. The water temperature off toledo is 77 degrees, off cleveland 75 degrees and off erie 76 degrees.
LEZ143 Expires:201808212015;;408270 FZUS51 KCLE 211405 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 1005 AM EDT Tue Aug 21 2018 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>144-212015-


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 211956
afdcle
area forecast discussion
national weather service cleveland oh
356 pm edt Tue aug 21 2018

Synopsis
Low pressure just north of lake erie will continue northeast
tonight. A cold front trailing the low will move across the
local area this evening. A reinforcing cold front will arrive
early tomorrow. High pressure will move up the ohio valley
Wednesday night and Thursday.

Near term through Wednesday night
Scattered showers continue across the area. Just starting to see
a few lightning strikes. A couple of the showers near the pa
border have actually been showing some weak rotation.

But... Still think chances for severe weather are minimal except
at the very eastern tip of the area. Elsewhere... Brief heavy
rains will be the main concern this evening. The activity
currently over the area will continue east or northeast through
early evening. May see more shower development further west
closer to the cold front so it is likely much of the area could
see two rounds of precip through the evening. Chances will drop
off along the i-75 corridor by 00z. By daybreak chances will be
confined to areas downwind of the lake. The front will be east
of the area by 06z with a second trough or reinforcing front
arriving toward daybreak. That second feature will be the one
that really ushers in the colder air. Strong cold air advection
aloft is expected during the day tomorrow with 500 mb temps
getting to neg 17 in the afternoon. That will result in lake to
500 mb temp differences greater than 40 degrees meaning showers
and thunderstorms are likely downwind of the lake. Have bumped
chances up during the afternoon. Drier air and high pressure
will finally begin to win out tomorrow evening and will end
chances in the east. As is usually the case widespread
stratus strato cumulus will develop behind the cold front
tonight. It may take into the afternoon for skies to become
partly cloudy in west and and would be surprised to see anything
more than partial sunshine in the east before 00z Thursday.

Given the changing airmass have stayed on the cool side of
guidance for temps. Highs tomorrow will struggle to get to 70
most areas with perhaps the first 40s of the season for lows
Wednesday night.

Short term Thursday through Friday night
By Thursday morning, surface high pressure will be located over
the lower ohio valley. Northeast flow off the east end of lake
erie will keep some scattered lake effect clouds around in ne
ohio and NW pa, shifting inland and clearing Thursday afternoon.

Temperatures will trend 2 to 5 degrees warmer as the airmass
starts to modify. The warming trend will continue on Friday as
the flow increases out of the south with most sites reaching the
upper 70s to near 80 degrees.

Moisture begins to increase on Friday night as the next
shortwave lifts out of the plains ahead of a more consolidated
trough that will move east across the great lakes on Saturday.

Will introduce a low 20-30 pop from west to east on Friday night
then scattered pops on Saturday. The better upper support may
pass north of the area so will not go higher than 40 percent for
now.

Long term Saturday through Tuesday
A weakening cold front should be moving across the are Saturday
night with at least scattered showers thunderstorms anticipated.

This frontal boundary will likely stall over southern ohio on Sunday
then drift back to the north on Monday. This will be enough to keep
slight chance to chance pop's going into Monday evening. The warm
front should be north of the region by early Tuesday with a much
more humid airmass arriving.

Temperatures through the long term should remain above seasonal
averages.

Aviation 18z Tuesday through Sunday
Another tricky forecast with precip coverage the main challenge.

Still seeing some scattered showers floating across the area.

Satellite is showing the clouds breaking up a little which may
allow enough heating to trigger some thunderstorms the next few
hours. Best chances for this will be across the east half of the
area. Most areas will get a couple hour period of tempo thunder
followed by a break and then a few hours of showers right ahead
of the surface cold front. The front should reach tol by 00z and
will be east of the area by 06z. As is typical expect widespread
MVFR stratus strato CU to develop behind the front. Pockets of
ifr are possible downwind of the lake late tonight. Will keep
cigs going all areas through midday tomorrow. Mainly SW flow is
expected through the evening with winds becoming NW behind the
front. Gusts in excess of 20 knots will continue across the
eastern and southern portions of the area this afternoon.

Outlook... Non-vfr possible Saturday.

Marine
Deepening low pressure moving across lake erie late this afternoon
is causing winds to increase to near 20 knots with gusts of 25-30
knots. Southwest winds will shift to the northwest with the passage
of a cold front this evening causing waves to build along the south
shore of the lake. Waves heights will remain in the 3 to 5 foot
range from lorain county eastward to pennsylvania and will carry
both a small craft advisory and high risk of rip currents through
the day on Wednesday. Winds will drop off Wednesday night with high
pressure building east across the area on Thursday. Good marine
conditions will continue on Friday with southerly winds of 15
to 20 knots returning ahead of the next system on Saturday.

Waterspouts remain a possibility Wednesday morning in any residual
showers. Cold air aloft will help support the instability to produce
the waterspout potential. So will mention threat in the morning.

Cle watches warnings advisories
Oh... Beach hazards statement through Wednesday evening for
ohz010>012-089.

Pa... Beach hazards statement through Wednesday evening for paz001.

Marine... Small craft advisory until 10 pm edt Wednesday for lez145>149.

Synopsis... Kubina
near term... Kubina
short term... Kec
long term... Mullen
aviation... Kubina
marine... Kec


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBIO1 - South Bass Island, OH 10 mi121 min W 12 G 13 72°F 1006.4 hPa (+0.0)
MRHO1 - 9063079 - Marblehead, OH 14 mi31 min S 2.9 G 8.9 77°F 1007.6 hPa73°F
45165 19 mi21 min NNW 14 G 19 78°F 78°F1 ft68°F
THLO1 - Toledo Light No. 2 OH 23 mi41 min W 13 G 15 78°F
HHLO1 - Huron Light, OH 25 mi121 min WSW 9.9 G 12 73°F 1006.4 hPa (+0.3)
THRO1 - 9063085 - Toledo, OH 28 mi31 min WNW 12 G 17 79°F 1007.2 hPa65°F
OWXO1 - Old Woman Creek, OH 28 mi76 min WSW 1.9 74°F 1008 hPa74°F
45005 - W ERIE 28NM Northwest of Cleveland, OH 33 mi21 min SW 16 G 18 75°F 77°F1006.5 hPa70°F
LORO1 42 mi91 min WSW 18 G 21 74°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monroe, Custer Airport, MI37 mi64 minWNW 17 G 2310.00 miPartly Cloudy82°F67°F62%1006.4 hPa

Wind History from TTF (wind in knots)
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Last 24hrE6E5E4E6E8
G15
E3SE5SE3CalmS3S3S11SE3SW6S10S8SW7W9--W8
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1 day agoSE5E6CalmE6E3N6E4CalmNW3E5NE3W3NE3CalmNE3CalmE5SE8
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2 days agoCalmSE3CalmSE4N3N6CalmCalmCalmCalmCalmCalmNE3CalmCalmCalmSE5E7
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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wmap_A
GOES 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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Cleveland, OH (18,4,5,8)
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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 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.