Saturday, December7, 2019
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Marine Weather and Tides
Chateaugay, NY

Version 3.4
NOTICE
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.
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 7:19AMSunset 4:14PM Saturday December 7, 2019 2:48 PM EST (19:48 UTC) Moonrise 3:08PMMoonset 3:14AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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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SLZ024 Expires:201912072215;;997645 Fzus61 Kbuf 071734 Glfsl Forecast For The Saint Lawrence River Including The Thousand Islands Region National Weather Service Buffalo Ny 1234 Pm Est Sat Dec 7 2019 Slz022-024-072215- Saint Lawrence River From Cape Vincent To Saint Regis 1234 Pm Est Sat Dec 7 2019
This afternoon..West winds 5 to 10 knots. Partly to mostly Sunny.
Tonight..Southwest winds 10 knots or less becoming south 10 to 15 knots. Mainly clear in the evening, then becoming mostly cloudy.
Sunday..South winds 15 to 25 knots. Mostly cloudy.
Sunday night..South winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of snow showers and sleet in the evening, then rain showers, snow showers and sleet likely overnight.
Monday..South winds 5 to 15 knots becoming southwest. Rain showers.
Tuesday..Southwest winds 5 to 15 knots becoming west. Rain and snow showers likely during the day, then snow showers likely Tuesday night.
Wednesday..West winds 5 to 10 knots. A chance of snow showers.


7 Day Forecast for Marine Location Near Chateaugay, NY
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location: 45.41, -73.91     debug


Area Discussion for - Burlington, VT
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FXUS61 KBTV 071812 AFDBTV

Area Forecast Discussion National Weather Service Burlington VT 112 PM EST Sat Dec 7 2019

SYNOPSIS. A few flurries are possible today with snow showers across higher summits. Mainly dry and colder weather arrives this afternoon before temperatures rebound nicely on Sunday. The milder trend continues into early next week with increasing chances for rainfall by Monday afternoon into Tuesday. Cold conditions return for the middle of next week.

NEAR TERM /THROUGH SUNDAY/. As of 1236 PM EST Saturday . Report from nws employee at local resort in the northern Green Mtns continues to indicate light snow with some accumulation occurring. Have continued to mention likely pops with total daytime snowfall accumulation of an inch or two possible from Mansfield to Jay Peak. The localized BTV snow machine is having difficulties finding the off switch, which is not a bad thing, especially when some are having fun with product testing. Otherwise, flow becomes unblocked this aftn and depth of moisture decreases by 21z, which will result in decreasing areal coverage of snow shower activity. No significant changes to crnt fcst.

Water vapor shows mid/upper lvl trof across the ne conus, this combined with strongly blocked llvl flow with froude around 0.50, upslope flow, and weak caa continuing will produce plenty of clouds across the northern dacks into the eastern side of the cpv/western slopes. However, some breaks in the overcast continue east of the Greens, especially lower CT River Valley where downslope is helping to enhance llvl drying. Still anticipating a few light snow showers/flurries across the dacks into the western slopes thru mid aftn, with some on and off flurries likely at BTV, due to some Lake Champlain moisture enhancement. Overall, tweaked sky grids, increased pops into the chc/low likely western slopes and matched crnt obs. Shallow moisture should slowly dissipate by mid aftn, with increasing areas of clearing expected toward evening. Temps mainly in the teens to mid 20s.

Previous discussion below: Surface high builds over the north country today, expecting decreasing clouds through the day with drier air working into the area. Upslope flurries and mountain snow showers are expected, especially in the morning, as upper level trough and some vorticity advection remains over the area. Low level flow will become more unblocked during the afternoon and backside of upper level trough kicks through this evening. Maximum temperatures this afternoon will range through the 20s. Surface high crests over our area around 00z, and temperatures will drop quickly following sunset. Minimum temperatures will bottom out in the single digits above zero, then rise later in the overnight as some clouds start to stream into the area as flow begins to pick up out of the southwest. Surface high slides off the New England coast on Sunday, and increasing winds are anticipated out of the south-southwest with increased pressure gradient and 45 to 50 kt low level jet moving into the area. Strong low level warm air advection set up, and maximum temperatures will range through the 30s. Windy conditions develop across Northern New York and into the Champlain valley, especially in the St Lawrence and Champlain valleys where channeled flow will enhance the gusty winds. We may near wind advisory criteria, will have to monitor for this potential. Winds will gust in the 35-40 mph range.

SHORT TERM /SUNDAY NIGHT THROUGH MONDAY NIGHT/. As of 350 AM EST Saturday . A warm front will lift across the North Country Sunday night into Monday as low pressure moves from the Upper Midwest and across the Great Lakes. Moisture will increase through the overnight hours Sunday night on a 850mb low level jet. This will also allow warm air advection, and the result will be light precipitation spreading across the North Country later Sunday night through Monday. The Champlain and St Lawrence Valleys will mainly see plain rain, but cold surface temperatures across the Adirondacks and east of the Green Mountains mean a period of sleet and/or freezing rain. Any sleet accumulation or ice accretion will be light, but still anticipate a slippery commute for some areas early Monday morning. Temperatures will continue to warm through the day Monday, with eventually everyone warming to at least the upper 30s; hence all mixed precip will turn over to rain by afternoon. Brisk southwest flow will result in the usual QPF shadowing in the Champlain Valley, along with breezy surface winds Sunday night into early Monday. Rain will continue Monday night with temperatures remaining steady in the mid and upper 30s as the aforementioned low lifts well to our west. Overall QPF through this period will be a quarter to a little over three-quarters of an inch, the highest amounts in southern VT. Given the minimal snow cover, therefore don't anticipate any hydro concerns with this round of precipitation.

LONG TERM /TUESDAY THROUGH FRIDAY/. As of 350 AM EST Saturday . Low pressure will move by well to our north, eventually shifting east of the region Tuesday afternoon, dragging its attendant cold front across the North Country. This is quite a potent front, and anticipate temperatures will drop sharply Tuesday afternoon. We will need to watch for a potential flash freeze, though the best moisture will move east of the region at that time, as well. Should any precipitation linger, it will be rain quickly changing over to snow. A broad upper trough and a secondary frontal passage will keep the risk of snow showers around for Wednesday, with temperatures only topping out in the 20s. Ridging takes hold Thursday and Friday, leading to a cool but dry end to the work week.

AVIATION /18Z SATURDAY THROUGH THURSDAY/. Through 18Z Sunday . Crnt obs show conditions range from ifr at slk to vfr at pbg early this aftn with intervals of snow showers impacting our mtn taf sites. Expect MVFR with periods of ifr vis in the heavier snow shower activity at MPV/SLK thru 20/21z, before better moisture dissipates and snow shower activity weakens. At BTV blocked flow has resulted in mvfr cigs with occasional snow showers/flurries and vis in the 3 to 5 sm. A few additional snow showers possible thru 20z, before improving conditions to vfr likely by sunset. Generally quiet with vfr overnight, with light/variable winds becoming south by morning. Gradient increases aft 12z with localized gusts up to 20 knots expected by 15z Sunday, along with a ribbon of snow showers. Best potential for brief mvfr vis in snow showers will be mss/slk btwn 15z-18z on Sunday. As winds continue to increase in the low levels, expect areas of wind shear and turbulence on Sunday, especially near trrn.

Outlook .

Sunday: VFR. NO SIG WX. Sunday Night: Mainly VFR, with local MVFR possible. Chance RA, Chance FZRA, Chance PL. Monday: Mainly MVFR, with local IFR possible. Definite RA, Likely FZRA. Monday Night: Mainly IFR, with areas MVFR possible. Likely SHRA. Tuesday: Mainly MVFR, with areas IFR possible. Chance SHRA. Tuesday Night: VFR. Chance SHSN. Wednesday: Mainly VFR, with local MVFR possible. Chance SHSN.

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

SYNOPSIS . Neiles NEAR TERM . Neiles/Taber SHORT TERM . Hastings LONG TERM . Hastings AVIATION . Taber


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OBGN6 - 8311030 - Ogdensburg, NY 97 mi54 min 24°F 1028.3 hPa

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Franklin County State Airport, VT54 mi52 minN 010.00 miOvercast26°F15°F66%1027.8 hPa

Link to 5 minute data for KFSO

Wind History from FSO (wind in knots)
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Last 24hrW3W4W4CalmW3W3W3W4W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW5W3W4W3Calm
1 day agoW6W5W5W6W5W4W4W8W4W5W4W3W6W5W3W3CalmW3W3W4CalmCalmCalmW3
2 days agoS3S4S5S4S4S6S5S4CalmS5S3S4S5S4S3CalmW6CalmCalmW3W3W5W9
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Tide / Current Tables for Sorel, Quebec
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Sorel
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Sat -- 02:10 AM EST     Moonset
Sat -- 06:13 AM EST     0.81 meters Low Tide
Sat -- 07:20 AM EST     Sunrise
Sat -- 11:55 AM EST     0.83 meters High Tide
Sat -- 02:04 PM EST     Moonrise
Sat -- 04:06 PM EST     Sunset
Sat -- 07:11 PM EST     0.81 meters Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.8

Tide / Current Tables for Islets Perces, Quebec
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Islets Perces
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Sat -- 01:16 AM EST     0.88 meters High Tide
Sat -- 02:10 AM EST     Moonset
Sat -- 06:03 AM EST     0.87 meters Low Tide
Sat -- 07:19 AM EST     Sunrise
Sat -- 01:48 PM EST     0.91 meters High Tide
Sat -- 02:03 PM EST     Moonrise
Sat -- 04:06 PM EST     Sunset
Sat -- 06:27 PM EST     0.90 meters Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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wmap_A
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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Wind Forecast for Burlington, VT (14,3,4,5)
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Ground Weather Radar Station Burlington, VT
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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.