Monday, March30, 2020
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Marine Weather and Tides
Willsboro, NY

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 6:34AMSunset 7:19PM Monday March 30, 2020 1:13 AM EDT (05:13 UTC) Moonrise 10:00AMMoonset 12:38AM Illumination 36% Phase: Waxing Crescent; Moon at 6 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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7 Day Forecast for Marine Location Near Willsboro, NY
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location: 44.32, -73.32     debug


Area Discussion for - Burlington, VT
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FXUS61 KBTV 300247 AFDBTV

Area Forecast Discussion National Weather Service Burlington VT 1047 PM EDT Sun Mar 29 2020

SYNOPSIS. Deep low pressure over the Great Lakes region this afternoon will slowly track across the Northeast through Monday with periods of rain and some higher elevation snow possible. Some showers linger into early Tuesday morning, but drier conditions are generally forecast for the rest of the week along with near normal temperatures.

NEAR TERM /THROUGH MONDAY NIGHT/. As of 1042 PM EDT Sunday . Steep mid-level lapse rates of 7-7.5 C/km and strong forcing ahead of approaching closed low over the northern Great Lakes contributed to several rounds of moderate to briefly heavy showers this evening, along with some embedded thunderstorms. Elevated instability was limited - generally less than 500 J/kg, but sufficient for numerous reports of small (pea-sized hail) aided by very low freezing levels. Also had one report of severe hail around 530pm in southern St. Lawrence County, associated with a long-lived thunderstorm and small- scale bow echo. The more significant activity has pushed ewd into NH/ME, but a few lingering showers are possible overnight. Thermal profiles may support a rain/snow mix along and east of the Green Mtns. Also, some spotty freezing rain is possible across the higher elevations, and have updated the REC forecast accordingly.

Monday morning will start generally dry across the region, but conditions will quickly turn awful as the aforementioned low pressure system tracks from north of Lake Ontario eastward to the New England coastal waters Monday night. As the low passes overhead, showers will once again become widespread from mid-morning through the day with some snow mixing in at the higher elevations and across eastern VT in the afternoon and likely down to the valley floor after midnight. The high peaks could see a couple inches of accumulation, while the valleys a coating to an inch or so.

SHORT TERM /TUESDAY THROUGH TUESDAY NIGHT/. As of 324 PM EDT Sunday . The main upper low finally moves away Tuesday, though we'll remain under cyclonic flow. This will lead to drier conditions as we lose deep moisture; the result will be just a few snow/rain showers possible Tuesday, mainly over the higher terrain. Clouds will gradually decrease, especially late in the day and into Tuesday night, and expect partly cloudy conditions to dominate by early Wednesday. Tuesday's high temperatures will be in the lower to mid 40s, followed by lows in the mid and upper 20s Tuesday night.

LONG TERM /WEDNESDAY THROUGH SUNDAY/. As of 324 PM EDT Sunday . Dry weather will persist through the middle of the week as surface low pressure skirts to our south while upper troughiness persists over the North Country. The southern surface low will stall over the western Atlantic, allowing moisture to rotate westward into New England Thursday into Friday. Guidance continues to differ on whether or not precipitation associated with this moisture will make it into our region; the ECMWF and CMC say yes while the GFS weakens and dissipates moisture across New Hampshire before any appreciable precipitation gets here. The model differences continue into the weekend as the GFS is faster with our next system, a cold front which will move eastward through the Great Lakes as its parent low traverses across central Ontario/Quebec. The GFS and CMC bring precipitation associated with this front in late Saturday-Saturday night, while the ECMWF is much slower, holding it off until almost Monday. Regardless, temperatures will warm into the 50s ahead of the front as we finally see some ridging aloft. Overnight temperatures will be marginally cold enough that some spots, particularly in the higher elevations, could see some snow.

AVIATION /03Z MONDAY THROUGH FRIDAY/. Through 00Z Tuesday . Busy start to the period with thunderstorms ongoing at RUT and moderate showers at BTV. At MPV it was a close call for lightning as well, with convection holding together better than previously expected. At all three VT sites, conditions should bounce between MVFR and VFR depending on the intensity of rain with ceilings close to 3000 feet overall. In NY, some scattered showers will prevail with VFR conditions, although MSS ceilings are still MVFR, through 06Z. After these showers move through, a brief period of low level wind shear at MSS is anticipated with a punch of dry stronger mid-level air. Generally at all sites a trend towards VFR is expected after 05Z in northern NY and after 8 or 09Z in VT, followed by showers returning in the afternoon with widespread MVFR and some IFR possible with lowering ceilings.

Outlook .

Monday Night: Mainly MVFR, with local IFR possible. Likely SHRA, Chance SHSN. Tuesday: Mainly VFR, with local MVFR possible. Slight chance SHSN. Tuesday Night: VFR. NO SIG WX. Wednesday: Mainly VFR, with local MVFR possible. NO SIG WX. Wednesday Night: Mainly MVFR, with local IFR possible. NO SIG WX. Thursday: Mainly MVFR, with local IFR possible. Chance SHRA. Thursday Night: Mainly MVFR, with areas IFR possible. Slight chance SHRA. Friday: Mainly MVFR, with local IFR possible. Slight chance SHRA.

BTV WATCHES/WARNINGS/ADVISORIES. VT . None. NY . None.

SYNOPSIS . Lahiff NEAR TERM . Banacos/Lahiff SHORT TERM . Hastings LONG TERM . Hastings AVIATION . Kutikoff


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington, Burlington International Airport, VT14 mi19 minSSE 810.00 miLight Rain40°F36°F86%1013.9 hPa
Plattsburgh International Airport , NY24 mi20 minSSE 1110.00 miLight Rain40°F37°F89%1012.8 hPa

Link to 5 minute data for KBTV

Wind History from BTV (wind in knots)
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Last 24hrSE3SW3S4S3SE8SE11S4SE10
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1 day agoCalmCalmCalmCalmCalmE3S3CalmS3CalmS5SW7S8S8S11
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2 days agoN6NW8NW10NW6E3NE3NE5N7N7N13N7NE10
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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 Northeast    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 Burlington, VT (1,6,7,8)
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Ground Weather Radar Station Burlington, VT
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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.