Tuesday, September28, 2021
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Marine Weather and Tides
Clayton, NY

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:56AMSunset 6:51PM Tuesday September 28, 2021 9:37 PM EDT (01:37 UTC) Moonrise 10:09PMMoonset 1:37PM Illumination 48% Phase: Third Quarter Moon; Moon at 22 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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SLZ022 Saint Lawrence River From Cape Vincent To Saint Regis 745 Pm Edt Tue Sep 28 2021
Tonight..West winds less than 10 knots. Partly to mostly cloudy.
Wednesday..Light and variable winds becoming north 5 to 10 knots. Partly Sunny through early afternoon, then becoming mostly cloudy.
Wednesday night..North winds 10 knots or less. Mostly cloudy.
Thursday..North winds 10 knots or less. A chance of showers.
Thursday night..Northwest winds less than 10 knots. Partly cloudy.
Friday..Northwest winds 10 knots or less becoming southwest. A chance of showers Friday night.
Saturday..Southwest winds less than 10 knots becoming northeast. A chance of showers.
Sunday..Northeast winds 5 to 10 knots. Mostly cloudy.


7 Day Forecast for Marine Location Near Clayton, NY
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location: 44.24, -76.09     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 290005 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 805 PM EDT Tue Sep 28 2021

SYNOPSIS. High pressure centered over the province of Ontario will support fair cool weather through at least Friday.

NEAR TERM /THROUGH WEDNESDAY NIGHT/. In the wake of last nights cold frontal passage . high pressure centered over the Upper Great Lakes will drift north to James Bay while taking firm control of our weather.

After patchy alto-cu moves in from the northwest this evening . we can look for mainly starlit skies by late tonight. The exception could be from about KROC to near KSYR where some nuisance lake induced strato-cu will be present. Lows will dip into the 40s many areas, including KBUF, which would be the first reading in the 40s observed there since mid June. Mostly clear skies east of Lake Ontario have allowed temps to drop quickly across the North Country, so could see at least upper 30s, maybe even mid 30s there, in the coldest spots.

Wednesday will feature another fair but cool day with at least partial sunshine. Areas east of Rochester will likely experience some self destruct sun with an isolated shower or two from subtle shortwaves rotating south into the region interacting with diurnal instability. Remains on the cool side of normal.

Fair weather will continue through Wednesday night.

SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/. Upper level low pivots through New England Thursday. Cooler air will continue to advect in across the area with 850Ts dropping to around +3C over western NY, down to around +1C east of Lake Ontario, plenty cold enough to elicit a lake response. That said, a chilly northerly flow will produce lake clouds and possibly a few lake effect showers south of both Lakes, before diurnal effects and drier air associated with high pressure dries us out during the afternoon. High pressure then takes hold across the region providing pleasant fall conditions for Thursday night and Friday. High pressure will slide south of the region Friday night keeping dry conditions intact for the bulk of the region. Exception will be across the North Country where an isolated shower or two will be possible owed to a weak shortwave moving southeast across northern NY and New England.

Otherwise, the chilly northerly flow will keep temperatures a bit below average on Thursday with highs mainly ranging through the 50s. Although readings may reach the lower 60s in some spots across the Niagara Frontier and Genesee Valley. Airmass modifies some Friday allowing daytime highs to climb several degrees above those on Thursday. Thursday night will be the chilliest night with lows ranging from the upper 30s across the higher terrain, to the lower and mid 40s elsewhere. There was some thinking that some patchy frost (marginal temps) may have been possible across the interior Southern Tier and Tug Hill Thursday night, however lows look to be a couple degrees warmer now, so have removed any frost from the grids at this point. This is still two nights away, so will of course continue to monitor. A bit warmer Friday night with most of the area solidly in the 40s.

LONG TERM /SATURDAY THROUGH TUESDAY/. Overall there remains a good deal of uncertainty in the long range, especially for the first part of the new work week. Bottom line, GFS keeps the area dry through the weekend owed to a large area of high pressure nosed in across the area keeping a surface boundary suppressed to our west. Meanwhile, the 12Z Euro and Canadian have the high pressure ridge axis displaced further east across New England. This would allow the aforementioned surface boundary to advance east into the region bringing unsettled conditions in the form of showers, especially from later Saturday through Sunday. Given the uncertainty, a mix of SChc/Chc PoPs will be advertised at this point.

Model consensus diverges even further heading into the first part of the new week. GFS continues with the dry weather owed to high pressure remaining in control. The Canadian shows ridging building back in from the north, pushing the boundary back to the south of the area, drying things out for the most part. Meanwhile the Euro stalls the boundary over our region keeping showers in the forecast right through the end of the period. With all of this in mind, SChc PoPs will be in place across the majority of the area due the degree of uncertainty amongst model guidance, with the feeling that better chances will exist across the western Southern Tier and lesser chances east of Lake Ontario at this time.

Daytime highs will average in the 60s each day, while overnight lows average from the mid 40s to mid 50s across the region.

AVIATION /00Z WEDNESDAY THROUGH SUNDAY/. Mid to high clouds will drift across western NY until after midnight. Overall though, expect wide open VFR conditions through Wednesday afternoon and evening.

Outlook .

Thursday through Sunday..Mainly VFR.

MARINE. Winds and wave action will diminish through tonight and remain light through Wednesday. Freshening northeast winds will then kick up a light chop along south shore of Lake Ontario Wednesday night into Thursday morning, but conditions should remain below Small Craft Advisory criteria.

BUF WATCHES/WARNINGS/ADVISORIES. NY . None. MARINE . None.



SYNOPSIS . RSH NEAR TERM . JLA/RSH SHORT TERM . JM LONG TERM . JM AVIATION . JLA/RSH MARINE . AR/JLA


Weather Reporting Stations
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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ALXN6 - 8311062 - Alexandria Bay, NY 10 mi50 min 73°F1013.6 hPa
OBGN6 - 8311030 - Ogdensburg, NY 45 mi56 min 53°F 68°F1012.7 hPa
OSGN6 - 9052030 - Oswego, NY 58 mi50 min NNW 6 G 8.9 59°F 1014.8 hPa42°F

Wind History for Oswego, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watertown, Watertown International Airport, NY16 mi42 minSSE 310.00 miFair46°F43°F89%1014.9 hPa
Fort Drum / Wheeler-Sack U. S. Army Airfield, NY23 mi42 minSSW 410.00 miFair44°F41°F87%1014.8 hPa

Link to 5 minute data for KART

Wind History from ART (wind in knots)
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Last 24hrNE8NE6NE6NE3NE4N7NE10N11
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NE7NE9NE9NE10NE10N9NE9N10N9NW12N9N7N5CalmCalmSE3
1 day agoW6CalmCalmS3S4S4S6S6S7S8SW7S10SW9
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S6S5SW8SW10SW8W5SW5SW3SW3Calm
2 days agoW9W9W9W4W8W5NW4CalmCalmS4SE4S5SW10W11
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W9W8

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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