Thursday, July29, 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 5:47AMSunset 8:32PM Thursday July 29, 2021 10:12 PM EDT (02:12 UTC) Moonrise 10:39PMMoonset 10:46AM Illumination 68% Phase: Waning Gibbous; Moon at 20 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 737 Pm Edt Thu Jul 29 2021
Tonight..Northeast winds less than 10 knots becoming northwest 10 to 15 knots. A chance of showers from late evening on.
Friday..Northwest winds 10 to 15 knots. A chance of showers early.
Friday night..Northwest winds 10 to 15 knots becoming west less than 10 knots. Partly cloudy.
Saturday..West winds 10 to 15 knots. A chance of showers in the afternoon.
Saturday night..Southwest winds 5 to 10 knots. A chance of showers in the evening, then showers likely overnight.
Sunday..Southwest winds 10 knots or less. Showers likely.
Monday..Northwest winds 10 knots or less. Partly cloudy.
Tuesday..Southwest winds 5 to 10 knots. Partly 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 292346 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 746 PM EDT Thu Jul 29 2021

SYNOPSIS. Cooler and notably less humid will filter southwards across the forecast area later tonight and Friday . as a cold front will make its way into Pennsylvania. While mainly fair weather will then be with us through the first part of the weekend . a slow moving system will douse the region with widespread showers and possible thunderstorms Saturday night and especially Sunday.

NEAR TERM /THROUGH FRIDAY/. A cold front slowly pushing south across the Southern Tier will support a few more showers and possibly a thunderstorm during the first half of tonight before additional showers develop in response to a passing mid level shortwave.

Cool northwesterly flow will be over the region Friday, with some lingering showers south of the lakes during the morning hours. Expect cloud cover to linger a bit longer than model guidance due to the cool flow aloft across the relatively warm lake waters. Highs will only be in the mid to upper 60s.

SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/. Unseasonably cooler weather is expected through the period as a broad upper level trough remains anchored over the Northeastern US. High pressure will initially work in from the southwest over the Lower Great Lakes and Ohio Valley Friday night. Though cool northwesterly flow may kick up a few lake effect clouds southeast of the lakes overnight, large scale subsidence and low inversion heights should prevent more significant lift needed for shower development. Low temperatures Friday night will generally settle in the mid 40s to low 50s. Warmer temperatures in the mid/upper 50s and possibly lower 60s will be found along the immediate lakeshores.

Dry conditions will last through Saturday as surface high pressure shifts ESE across the Ohio Valley and into the Mid-Atlantic. Daytime high temperatures will reach the upper 60s and low 70s, low/mid 60s east of Lake Ontario on the higher terrain. A shortwave will then begin to rotate through the upper level trough Saturday morning, initially placing a deepening surface low across the Upper Great Lakes. The approaching system will then swing a cold front across the Central Great Lakes, reaching WNY by late Saturday night. Chances for showers will increase from northwest to southeast through the night, with widespread shower activity expected by daybreak and lasting through the day Sunday. The area should dry out fairly quick Sunday night as the trough axis shifts east of the region.

An abundance of cloud cover Saturday night will moderate temperatures some, with lows in the mid to upper 50s, lower 50s on the Tug Hill. Highs on Sunday will be a degree or two lower than on Saturday, with overnight lows in the low/mid 50s.

LONG TERM /MONDAY THROUGH THURSDAY/. Shortwave ridge moves through base of longwave trough Monday/Monday night . equating to fair weather across our region.

No forcing within col of upper air trough Tuesday . but diurnally driven showers will be possible for parts of the Srn Tier and Finger Lakes.

Frontal passage on Wednesday with scattered showers.

Bulk of Thursday will be fair and dry but with diurnally driven showers again possible well inland from the lakes.

Below normal temps on Monday will moderate through the period.

Preferred ECMWF over outlying CanNH.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. A cold front will drop south across the area this evening, with an area of IFR/MVFR stratus expected to drop from N-S across the area tonight. This stratus will gradually lift and scatter out during the day on Friday.

Outlook .

Friday night and Saturday . VFR. Sunday . MVFR. Showers and possibly a thunderstorm. Monday and Tuesday . VFR.

MARINE. Winds will increase from the north and northwest tonight into Friday to near 25 knots. Small Craft Advisories have been issued as a result as choppy conditions will likely continue into Friday . especially on Lake Ontario.

Colder air coming across the lakes pushing delta Ts to near 18C Friday and Friday night, but relatively low equilibrium level and less than ideal gradient flow suggest a very low, but non-zero risk for waterspouts during that time period.

BUF WATCHES/WARNINGS/ADVISORIES. NY . Beach Hazards Statement from 2 AM EDT Friday through late Friday night for NYZ001>004. MARINE . Small Craft Advisory until 2 PM EDT Friday for LEZ040-041. Small Craft Advisory from 11 PM this evening to 6 PM EDT Friday for LOZ030. Small Craft Advisory from 11 PM this evening to 2 AM EDT Saturday for LOZ042>044.



SYNOPSIS . RSH NEAR TERM . Apffel/RSH SHORT TERM . PP LONG TERM . RSH AVIATION . Apffel MARINE .


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 mi55 min 68°F1007.1 hPa
OBGN6 - 8311030 - Ogdensburg, NY 45 mi61 min 66°F 68°F1007.1 hPa
OSGN6 - 9052030 - Oswego, NY 58 mi55 min NW 6 G 7 68°F 1007.6 hPa64°F

Wind History for Oswego, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watertown, Watertown International Airport, NY16 mi77 minN 03.00 miFog/Mist64°F62°F93%1006.7 hPa
Fort Drum / Wheeler-Sack U. S. Army Airfield, NY23 mi2.3 hrsN 010.00 miFair67°F63°F86%1006.6 hPa

Link to 5 minute data for KART

Wind History from ART (wind in knots)
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Last 24hrCalmSE3CalmSE3SE3CalmE3CalmCalmCalmSE5CalmE5E5SE7W3S4E5N7N5N7CalmCalmCalm
1 day agoNE3NE3NE3NE3CalmNE4CalmCalmN4NE5NE543NE56NE6N10N7NW3N5CalmSW3CalmCalm
2 days agoS3CalmCalmSE3E4E3E4CalmCalmCalmCalmSW4W9W7NE7E7NE8N6NE4N6N6N8N8NE7

Tide / Current Tables for
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Tide / Current Tables for
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GEOS Local Image of Northeast    EDIT
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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