Friday, September25, 2020
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Marine Weather and Tides
Cortland, NY

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:57PM Friday September 25, 2020 8:10 PM EDT (00:10 UTC) Moonrise 3:09PMMoonset 12:00AM Illumination 63% Phase: Waxing Gibbous; Moon at 9 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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LOZ044 Expires:202009260315;;357589 Fzus51 Kbuf 252104 Nshbuf Nearshore Marine Forecast National Weather Service Buffalo Ny 504 Pm Edt Fri Sep 25 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. Loz043-044-260315- Hamlin Beach To Mexico Bay Along Lake Ontario Including Irondequoit Bay- 504 Pm Edt Fri Sep 25 2020
Tonight..East winds 10 knots or less becoming south. Mainly clear. Waves 1 foot or less.
Saturday..South winds 10 to 15 knots. Sunny. Waves 2 feet or less.
Saturday night..South winds 10 to 15 knots. Partly cloudy. Waves 1 foot or less.
Sunday..South winds 10 to 15 knots. Mostly Sunny. Waves 2 feet or less.
Sunday night..South winds 10 to 15 knots. Partly to mostly cloudy. Waves 2 feet or less.
Monday..South winds 10 to 15 knots. A chance of showers. Waves 2 fee or less.
Tuesday..South winds 10 to 15 knots. Showers likely. Waves 2 feet or less.
Wednesday..Southwest winds 15 to 20 knots. A chance of showers. Waves 2 to 4 feet. The water temperature off rochester is 63 degrees.
LOZ044


7 Day Forecast for Marine Location Near Cortland, NY
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location: 42.6, -76.18     debug


Area Discussion for - Binghamton, NY
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FXUS61 KBGM 252321 AFDBGM

Area Forecast Discussion National Weather Service Binghamton NY 721 PM EDT Fri Sep 25 2020

SYNOPSIS. High pressure through most of the weekend, but some Atlantic moisture will bring some clouds and possibly light rain for parts of NE PA and into the Eastern Catskills Saturday. Temperature remain warm with ridging overhead through the weekend, but the weather pattern becomes more unsettled the beginning of next week, with showers and possible thunderstorms.

NEAR TERM /THROUGH SATURDAY NIGHT/. 345 PM Update .

Perfect conditions across the region this evening, with temperatures well above normal. Valley fog will likely develop again late tonight and persist through early Saturday morning. Once again temperatures should fall fast with a favorable radiational cooling setup so some minor tweaks were made with the early evening update to account for recent trends.

Tricky forecast for tomorrow as a weak wave of low pressure cross just south of the region and exits the coast across southern New Jersey.

Cloud cover associated with this weak system will increase across NE PA early Saturday morning and some light rain/or drizzle will be possible through the day across the Poconos Region and northeast into the Eastern Catskills. Most of Central NY should still have a decent day and temperatures will warm into the mid to upper 70s by Saturday afternoon. However, the high temperature forecast is a bit more tricky in the south due to the presence of clouds. Current thinking is that areas under the clouds in NE PA and into the Catskills will only see highs top out in the upper 60s to maybe low 70s.

Low level moisture will also linger for much of NE PA and Catskills through the overnight hours and can't rule out some light rain or drizzle in these areas through the overnight hours.

SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/. 300 PM Update .

A digging trough in the midwest will bring in some unsettled weather for the period. Sunday starts off dry but there will be some increasing clouds through the day as a shortwave approaches from the south. Increasing SE flow off of the Atlantic brings in low stratus and a possibility of some drizzle for the southeastern slopes of the Catskills and Pocono mountains. As lift increases with the shortwave, light precipitation develops and spreads across the rest of NE PA into central NY through the day on Monday.

Once the shortwave is north of us, a dry slot moves in with some clearing of the clouds late Monday night into Tuesday morning before getting socked back in.

LONG TERM /TUESDAY THROUGH FRIDAY/. 330 PM Update .

A deepening low propagating from the Great Lakes to the south of the Hudson Bay has a trailing cold front that approaches on Tuesday. Deep moisture moving poleward ahead of the front plus good dynamics will make for a narrow band of heavy rain to pass through from west to east. Right now with the expected cloud cover, CAPE will be very limited but with 50 kts of 0-6km shear and upper level divergence, there is a small possibility of severe thunderstorms if the front slows down or cloud cover is thinner in the morning.

The front that moves through on Tuesday is slowing down along with a few shortwaves riding the deep trough in the Great Lakes region so PoPs have been increased for Wednesday into Thursday. No other changes were made to the long term.

330 AM Update .

A quick cooling trend is expected into next week. Temperatures remain mild for Monday, peaking in the 70s and possibly lower 80s, but coming in cooler Tuesday with rain across the area. Behind the front, temperatures Wednesday and Thursday should only peak in the 60s, possibly closer to 70F in the Wyoming valley. Overnight lows in the 60s Monday night drop into the 40s Wednesday and Thursday night.

AVIATION /23Z FRIDAY THROUGH WEDNESDAY/. High pressure overhead tonight with mostly clear skies/VFR conditions much of the time. Valley fog appears likely late tonight, with fairly high confidence for restrictions at ELM during the early morning hours on Saturday due to fog. Chance for occasional alternate minimum restrictions in the 08z to 12z timeframe.

Low level moisture will increase from the Southern Tier into NE PA tomorrow and this could bring sct to bkn cloud bases between 2.5 to 5k ft agl BGM and ELM; especially in the afternoon.

AVP will likely see MVFR CIGS moving in between 10-14z Saturday morning, then lowering to fuel alternate at times through the day. There will also be some light rain showers or drizzle around, which could occasionally reduce visibility.

All other sites further north should remain VFR through the day.

Light and variable winds under 5 kts overnight, turning southerly 8-15 kts on Saturday.

Outlook . Saturday evening into Sunday . Atlantic moisture moves in from the southwest with maybe some sprinkles/drizzle for AVP. MVFR likely AVP and south central NY. VFR at SYR/RME.

Sunday night into Wednesday . Scattered showers and thunderstorms may lead to occasional restrictions.

BGM WATCHES/WARNINGS/ADVISORIES. PA . None. NY . None.

SYNOPSIS . MPK NEAR TERM . MPK/MWG SHORT TERM . AJG LONG TERM . AJG/HLC AVIATION . MPK/MJM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OSGN6 - 9052030 - Oswego, NY 62 mi53 min ENE 1 G 1.9 67°F 1016.2 hPa60°F
RPRN6 - Rochester, NY 88 mi71 min SE 1 G 1.9 67°F
RCRN6 - 9052058 - Rochester, NY 90 mi53 min 65°F 1015.3 hPa

Wind History for Oswego, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ithaca, Ithaca Tompkins Regional Airport, NY17 mi15 minE 510.00 miFair64°F55°F75%1017.4 hPa

Link to 5 minute data for KITH

Wind History from ITH (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmE3E4E3E5E6E6E34S5SW4Calm3434SE4E4E5
1 day agoCalmE3E3E3CalmCalmE3E4E3E6E4E6E3CalmS5S8S6SW6NW3SW4SW3N3N3E3
2 days agoCalmCalmCalmCalmE3E4E3E3E3E3CalmCalmCalmNW8W9NW14
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NW15NW14NW12NW8Calm

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
Ground Weather Radar Station Binghamton, NY
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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.