Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Sandusky, OH

Version 3.4
NOTICE
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 6:40AMSunset 8:29PM Saturday August 17, 2019 1:20 PM EDT (17:20 UTC) Moonrise 8:53PMMoonset 7:30AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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- Lake Erie Nearshore Waters From Avon Point To Willowick Oh- Lake Erie Nearshore Waters From Willowick To Geneva-on- The Lake Oh- 353 Am Edt Sat Aug 17 2019
Today..South winds 5 to 15 knots becoming west. A slight chance of showers and Thunderstorms early, then a chance of showers and Thunderstorms from late morning on. Waves 2 feet or less.
Tonight..Southwest winds 5 to 10 knots. A chance of showers and Thunderstorms. Waves 2 feet or less.
Sunday..South winds 5 to 10 knots becoming southwest. A chance of showers and Thunderstorms. Waves 1 foot or less.
Sunday night..Southwest winds 5 to 15 knots. A chance of showers and Thunderstorms. Waves 1 foot or less. Winds and waves higher in and near Thunderstorms. SEe lake erie open lakes forecast for Monday through Wednesday. The water temperature off toledo is 76 degrees, off cleveland 76 degrees, and off erie 76 degrees.
LEZ144 Expires:201908171415;;763642 FZUS51 KCLE 170753 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 353 AM EDT Sat Aug 17 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>147-171415-


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 171706
afdcle
area forecast discussion
national weather service cleveland oh
106 pm edt Sat aug 17 2019

Synopsis
A zonal flow will set up across the great lakes region this
weekend through the early part of next week which will bring an
active weather pattern as well as above average temperatures. A
trough will cross the great lakes region towards the middle of
next week bringing a cooler and drier airmass to the region for
the end of the week.

Near term through Sunday
Main concern for this afternoon is developing convection. Area
continues to destabilize with moisture pooling over northern
ohio and NW pa. Looking at scattered storms for the early
afternoon. Primary concern is the increase in bulk effective
shear approaching 50kts later this afternoon, a change from our
earlier assessment. This increase could provide more support for
organized strong to severe storms with large hail and damaging
winds. Coverage of storms expected to be scattered given lack of
focus apart from outflows. MCS over in will move east under a
zonal flow this afternoon. It is expected to diminish in
coverage as it pushes east toward oh based on short term models,
however they have struggled with these types of systems so will
monitor closely.

Short term Sunday night through Tuesday night
Instability will linger into the Sunday overnight hours, allowing
scattered showers and thunderstorms to persist. A cold front will
approach from the northwest Monday morning and slow down into a weak
west-east oriented stationary front over our forecast area. Although
there is weak upper level forcing, MUCAPE ranging between 2000-3000
j kg will be plenty to support mostly diurnally driven showers and
thunderstorms, some of which could produce strong downburst winds
and some hail on Monday and Tuesday. There won't be too much
vertical wind shear each of these days, so there won't be much
organized convection and any threat of severe weather will remain
isolated. Flooding could be a concern with a weak stationary front
over our area. Pwat is expected to range between 1.6 and 1.8 with
mean storm motions around 15 to 20 knots. While these numbers aren't
particularly concerning, the presence of a stationary front along
with this environment could prove problematic if we get training
thunderstorms.

Long term Wednesday through Friday
A large digging upper trough is expected to move southeast across
ontario and into the upper great lakes region Wednesday. A surface
low is expected to develop over ontario and into western quebec. A
cold front extending from the low is expected to sweep through our
forecast area on Wednesday afternoon. A relatively warm, moist
atmosphere will still be in place ahead of this front. With slightly
higher deep layer shear of 25 to 30 knots present on Wednesday,
convection that initiates along and ahead of this cold front should
be more organized that Monday and Tuesday's convection. The threat
for severe weather will be a little bit higher on this day is the
passage of the cold front is during the afternoon when it is most
diurnally favorable. High pressure will follow on Thursday and
Friday, with a big airmass change. Expect mostly sunny skies,
temperatures in the mid to upper 70s and dew points in the upper 50s
on Thursday and Friday, all of which are far more comfortable than
the preceding days.

Aviation 18z Saturday through Thursday
Scattered thunderstorms expected this afternoon mainly during
peak daytime heating. Showers should reduce in coverage
overnight. Otherwise mainlyVFR conditions expected through the
taf period. A warm and humid night on tap for the area, some
ground fog can't be ruled out. More storms expected Sunday again
timed mainly during peak heating.

Outlook... Intervals of non-vfr possible primarily with
thunderstorms daily through Tuesday.

Marine
Generally west to southwest flow will persist through the weekend. A
west to east oriented stationary front is expected to be present
over or south of the lake on Monday and Tuesday, making winds and
waves a little more variable on those days. Scattered thunderstorms
remain in the forecast through Wednesday. A cold front will move
east across the area Wednesday afternoon. Northerly winds of 10 to
15 knots will follow this, bringing waves of 2 to 4 feet,
likely to be the highest waves in the forecast period.

Cle watches warnings advisories
Oh... None.

Pa... None.

Marine... None.

Synopsis... Griffin
near term... Jamison
short term... Saunders
long term... Saunders
aviation... Jamison
marine... Saunders


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MRHO1 - 9063079 - Marblehead, OH 6 mi57 min W 6 G 8 76°F 77°F1014.3 hPa71°F
HHLO1 - Huron Light, OH 10 mi31 min WSW 8 G 12 80°F 1013.9 hPa
OWXO1 - Old Woman Creek, OH 12 mi96 min SSW 2.9 80°F 1015 hPa71°F
SBIO1 - South Bass Island, OH 14 mi21 min WSW 8.9 G 9.9 76°F 1014.4 hPa (+0.5)
45005 - W ERIE 28NM Northwest of Cleveland, OH 22 mi31 min WSW 9.7 G 12 75°F 1 ft1014.7 hPa71°F
LORO1 27 mi51 min WNW 8.9 G 9.9 77°F
TWCO1 33 mi21 min N 1 G 2.9 76°F
45165 34 mi21 min NNW 1.9 G 1.9 77°F 78°F69°F
THLO1 - Toledo Light No. 2 OH 36 mi61 min SSW 7 G 8 75°F
THRO1 - 9063085 - Toledo, OH 44 mi51 min WSW 2.9 G 6 81°F 1014.3 hPa68°F
45169 48 mi21 min NW 9.7 G 14 68°F 76°F2 ft

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 mi28 minWSW 8 G 2010.00 miA Few Clouds82°F66°F58%1014.5 hPa

Link to 5 minute data for KLPR

Wind History from LPR (wind in knots)
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Last 24hrW10W9----SW7SW9SW3--S3S5--S4--S7S8--S6S5SW9--W8W7SW8SW8
G20
1 day ago5E10
G17
SE4SE5N6----N3CalmCalmW3Calm--------W5W8------W6NW7W7
2 days ago4N11N7NE7NE8NE10E5NE3NE3CalmCalmCalmCalmE4E3CalmCalmSE4N9E4NE3SE5CalmCalm

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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GOES 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.
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Wind Forecast for Cleveland, OH (13,3,4,5)
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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 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.