Friday, April10, 2020
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Marine Weather and Tides
Amherst, 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 6:54AMSunset 8:05PM Friday April 10, 2020 2:49 PM EDT (18:49 UTC) Moonrise 10:30PMMoonset 7:47AM Illumination 91% Phase: Waning Gibbous; Moon at 18 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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LEZ145 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-lake Erie Nearshore Waters From Geneva-on-the- Lake To Conneaut Oh- 1009 Am Edt Fri Apr 10 2020
.small craft advisory in effect through late tonight...
Rest of today..Northwest winds to 30 knots becoming west and diminishing to 15 to 20 knots. A slight chance of snow showers late this morning. Waves 5 to 9 feet subsiding to 4 to 7 feet. Waves occasionally around 11 feet.
Tonight..West winds 15 to 20 knots becoming northwest 10 to 15 knots. Partly cloudy. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around 7 feet.
Saturday..West winds 5 to 15 knots becoming southwest. Sunny in the morning, then becoming partly Sunny. Waves 1 to 3 feet subsiding to 1 foot or less.
Saturday night..South winds 5 to 15 knots. A chance of showers overnight. Waves 1 foot or less. SEe lake erie open lakes forecast for Sunday through Tuesday. The water temperature off toledo is 48 degrees, off cleveland 44 degrees, and off erie 45 degrees.
LEZ145 Expires:202004102030;;878002 FZUS51 KCLE 101409 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 1009 AM EDT Fri Apr 10 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. LEZ145>148-102030-


7 Day Forecast for Marine Location Near Amherst, OH
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location: 41.44, -82.26     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 101803 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 203 PM EDT Fri Apr 10 2020

SYNOPSIS. High pressure will build across the region today and tonight as a trough of low pressure over the southern Great Lakes weakens and moves east. The high will move east Saturday and off the Atlantic coast Saturday night. Low pressure over the southern Mississippi valley Sunday will deepen and lift north through the Great Lakes Monday.

NEAR TERM /THROUGH SATURDAY/. Snow showers have mostly moved out of the area leaving behind an expansive cu field with partly to mostly cloudy skies for the afternoon. Northwest winds remain breezy with gusts of 25-30 mph.

Original discussion . Lake effect snow showers beginning to intensify a bit early this morning with the passage of a weak low level trough. The snow showers remain rather disorganized with a few more organized bands noted on radar. This activity will peak over the next 3-4 hours with better boundary layer moisture, inversion heights around 10kft, and around 300 j/kg lake induced CAPE. Activity expected to diminish after 12Z through midday with backing flow, warming aloft, and diminishing moisture. In the meantime, some light accumulations will be confined to mainly grassy/elevated surfaces, with warm ground temps and air temps in the mid to upper 30s across much of the area. Will keep the advisory going through the morning across southern Erie, with additional amounts in the 1 to 3 inch range across the higher terrain of the county. Otherwise, skies will be partly cloudy for much of the day with highs in the upper 30s/low 40s across NW PA to the low/mid 40s across northern OH. Lows tonight will drop into the upper 20s/low 30s with good radiational cooling conditions as high pressure brings clearing skies and light winds. Clouds will increase through the day Saturday ahead of the next weather system, although conditions should be dry through the day with highs in the low to mid 50s.

SHORT TERM /SATURDAY NIGHT THROUGH MONDAY NIGHT/. High pressure shifts east Saturday night and a warm front lifts north across Ohio. We may see scattered showers with this feature. But the primary player will be a strong surface low that will originate across the southern Plains on Sunday and track to the vicinity of lower MI by Monday morning. As long as the warm front lifts north of the area then the warm sector Sunday may be rather uneventful and have precip chances that are lower then the NBM. Highs in the 60s are expected with a very limited, if any, lake breeze. The main forcing and deep moisture arrives for Sunday night. Winds will be the big story on Monday and it is very likely that we will need a Wind Advisory for gusts in excess of 45 MPH. Highs look to be early on Monday with precip pulling out rather quickly. Lake enhanced showers are left behind for far northeast OH/nw PA in west flow. Monday night lows will fall back to the lower 30s.

LONG TERM /TUESDAY THROUGH THURSDAY/. Much of the CONUS will be under the influence of a broad upper trough and therefore below normal temperatures through mid week. A couple of disturbances in that broad trough will bring precip chances, but at this timeframe, these quick disturbances are hard to time. Have gone with a blend of guidance for now. Daily highs will be in the 40s with sub-freezing lows away from the lakeshore each night. With this cold airmass there will be a chance for snow showers.

AVIATION /18Z Friday THROUGH Wednesday/. Scattered to broken cu deck will remain across the area into tonight, eventually becoming more scattered late. Northwest winds will remain breezy through the afternoon with gusts of 25-30 knots through 23Z. Winds will back to southwesterly late tonight and become breezy again after 16Z.

OUTLOOK. Non-VFR possible Sunday night into Monday with showers and thunderstorms.

MARINE. Small Craft Advisory conditions continue for today as west-northwest winds will push 30 knots especially during the first half of the day. Later this afternoon and into the evening winds will slowly diminish. A ridge of high pressure will build across the Ohio Valley Saturday and this will further diminish the winds and back them to the southwest. A dynamic system will then affect the region and the lake early next week. Southerly flow Sunday will back southeast Sunday night as a deepening low approaches and a warm front lifts north of the lake. Low pressure will track in the vicinity of lower MI late Sunday night and sweep a cold front across the lake early Monday. Southwest Gales are very likely Monday with winds slowly diminishing through Tuesday. With that low water conditions would also likely occur for the western basin Monday and high water across the eastern basin with possible lakeshore flooding and erosion concerns.

CLE WATCHES/WARNINGS/ADVISORIES. OH . None. PA . None. MARINE . Small Craft Advisory until 4 AM EDT Saturday for LEZ142>149.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LORO1 4 mi79 min WNW 24 G 27 39°F
OWXO1 - Old Woman Creek, OH 14 mi64 min W 7 44°F 1013 hPa23°F
HHLO1 - Huron Light, OH 15 mi49 min WNW 18 G 26 42°F 1011.2 hPa (+0.4)
MRHO1 - 9063079 - Marblehead, OH 26 mi49 min WNW 20 G 24 41°F 47°F1012.8 hPa (+0.0)25°F
SBIO1 - South Bass Island, OH 33 mi49 min NW 24 G 26 41°F 1013 hPa (+0.5)
CNDO1 - 9063063 - Cleveland, OH 34 mi49 min WNW 21 G 25 40°F 49°F1012 hPa (+0.8)27°F
CMPO1 41 mi79 min NW 14 G 25 44°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lorain / Elyria, Lorain County Regional Airport, OH8 mi56 minNNW 17 G 2310.00 miMostly Cloudy41°F23°F49%1013.4 hPa
Cleveland Hopkins International Airport, OH21 mi58 minNW 17 G 2610.00 miMostly Cloudy42°F24°F49%1013.4 hPa

Link to 5 minute data for KLPR

Wind History from LPR (wind in knots)
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Last 24hrNW12
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1 day agoN7N93CalmSE3SE5SE6S8S6W6N16
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NW7NW7W7NW15
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N9N8SW10W7W12NW14
G22
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2 days agoSW13W13SW11W11
G19
SW12SW5S5SW6S9N9W13NW9N3SW4NW7NW11NW11N7N9CalmW4Calm43

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.
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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.