Tuesday, August4, 2020
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Marine Weather and Tides
Dexter, 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 5:54AMSunset 8:24PM Tuesday August 4, 2020 10:15 AM EDT (14:15 UTC) Moonrise 8:25PMMoonset 5:38AM Illumination 100% Phase: Full Moon; Moon at 15 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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LOZ045 Expires:202008040330;;892747 Fzus51 Kbuf 040034 Nshbuf Nearshore Marine Forecast National Weather Service Buffalo Ny 834 Pm Edt Mon Aug 3 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. Loz044-045-040330- Sodus Bay To The Saint Lawrence River Along Lake Ontario- 834 Pm Edt Mon Aug 3 2020
Tonight..Southeast winds 5 to 10 knots. A chance of showers and Thunderstorms early, then showers likely with a chance of Thunderstorms late. Waves 1 foot or less.
Tuesday..Southeast winds 10 to 15 knots becoming south. Showers likely in the morning, then showers likely with a chance of Thunderstorms in the afternoon. Waves 2 feet or less.
Tuesday night..Southeast winds 10 to 15 knots becoming west 15 to 20 knots. Showers likely in the evening, then a chance of showers overnight. Waves building to 3 to 5 feet. Waves occasionally around 6 feet.
Wednesday..Northwest winds 15 to 20 knots becoming west. A chance of showers. Waves 3 to 5 feet. Waves occasionally around 6 feet.
Wednesday night..West winds 10 to 15 knots. Mainly clear. Waves subsiding to 1 to 3 feet.
Thursday..West winds 10 knots or less. Mostly Sunny. Waves 2 feet or less.
Friday..South winds less than 10 knots. Mostly Sunny. Waves 1 foot or less.
Saturday..South winds less than 10 knots. Sunny. Waves 1 foot or less. Winds and waves higher in and near Thunderstorms.
LOZ045


7 Day Forecast for Marine Location Near Dexter, NY
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location: 44.02, -76.06     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 040951 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 551 AM EDT Tue Aug 4 2020

SYNOPSIS. Unsettled weather will remain over the region through tonight as weak disturbances pass through, while tropical system Isaias races up the east coast. High pressure will build across the region late Wednesday with near normal temperatures and a dry weather pattern through the end of the work week.

NEAR TERM /THROUGH TONIGHT/. Regional radars showing just a few showers across western New York early this morning. More widespread showers starting to work into eastern New York, as moisture well in advance Isaias continues streaming northward.

Complicated forecast today with the bulk of the impacts from Isaias staying off to our east, although the western edge of the moderate to heavy tropical rain shield could reach portions of the North Country this afternoon, with the heaviest rainfall likely to stay east of Interstate 81. Further west, the combination of increasing moisture and diurnal heating will likely bring a blossoming of showers and thunderstorms, with the best chances from the Genesee Valley to the western Finger Lakes. Severe risk looks limited, but could certainly see some tropical downpours. The tropical system will lift out quickly tonight allowing a cold front to sweep across the region. Shortwave moving through and lingering instability due to cooler air crossing Lake Ontario will maintain the chance for a few showers or an isolated thunderstorm southeast and east of Lake Ontario.

SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/. An upper level low will move east out of Ontario into Quebec on Wednesday. Cyclonic flow aloft will combine with some lingering moisture in the wake of Isaias and even some lake enhancement to aid a west/southwest upslope flow (850Ts dip down into the upper single digits C). This will produce a few showers east of Lake Ontario during the first half of the day (most prevalent over the terrain), with dry conditions elsewhere. By Wednesday afternoon, drier will make it into the North Country as high pressure continues to build in from the southwest, drying things out here as well. Surface high pressure will then settle across the region through the remainder of the period providing dry, quiet weather through Thursday night.

Otherwise, temperatures will be below normal through the period, which is quite the rarity so far this summer season. Wednesday will be the coolest day with highs mainly in the low to mid 70s. In fact, some areas across the interior higher terrain may possibly only top out in the upper 60s. Combine this with dew points in the low to mid 50s and a brisk westerly breeze, it will feel very refreshing outside. Expect much of the same on Thursday, with highs a few degrees warmer and a much lighter breeze.

LONG TERM /FRIDAY THROUGH MONDAY/. An upper level trough will approach from the upper Great Lakes on Friday, while a weak wave of surface low pressure moves south of our area. Although mainly dry weather is expected to end the work week, there may be enough moisture/lift associated with these features to bring a few showers/isolated thunderstorm to the Southern Tier Friday afternoon into the first part of Friday night. Aside from a diurnally driven shower or storm Saturday or Sunday afternoon/early evening across the Finger Lakes and Southern Tier, weak ridging should provide mainly dry weather for the majority of the weekend. A moist southwesterly flow will develop on Monday as high pressure slides east of the area, while an upper level trough over the upper Great Lakes approaches the region. Increasing low level moisture and lowering heights aloft combined with diurnal heating will bring the next better chance for some showers and storms to start the work week.

Near normal temperatures to start the period will trend above average by the weekend into the start of next week, along with a noticeable uptick in humidity as we progress through the period.

AVIATION /10Z TUESDAY THROUGH SATURDAY/. Mainly VFR conditions early this morning, except for IFR/LIFR along the Southern Tier, impacting KJHW. The low conditions along the Southern Tier will improve to low end VFR by mid morning with showers becoming more widespread. The showers will be accompanied by some thunder during the afternoon. Heavy rain on the western fringe of Isaias will likely remain east of KART-KSYR line.

Outlook .

Tonight . MVFR/VFR. A chance of showers and thunderstorms mainly east of Lake Ontario. Wednesday . VFR, but showers possible east of Lake Ontario. Thursday through Saturday . VFR.

MARINE. Light winds and negligible waves will persist into this afternoon before a cold front crosses the lower Great Lakes tonight helping to increase winds from the northwest, especially on Lake Ontario. A round of Small Craft Advisories will be issued tonight into Wednesday on Lake Ontario.

Waterspouts will be possible behind the cold front tonight into Thursday with lowering temperatures aloft. The period for best waterspout potential would be later Wednesday into Thursday morning with cold temperatures aloft and winds becoming light enough to favor developing low-level convergence zones where waterspouts typically form.

BUF WATCHES/WARNINGS/ADVISORIES. NY . None. MARINE . Small Craft Advisory from 2 AM to 5 PM EDT Wednesday for LOZ043. Small Craft Advisory from 2 AM to noon EDT Wednesday for LOZ042. Small Craft Advisory from 4 AM Wednesday to 2 AM EDT Thursday for LOZ044-045.



SYNOPSIS . Apffel/TMA NEAR TERM . TMA SHORT TERM . JM LONG TERM . JM AVIATION . TMA MARINE . JLA/TMA


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ALXN6 - 8311062 - Alexandria Bay, NY 23 mi58 min 1013 hPa
OSGN6 - 9052030 - Oswego, NY 45 mi46 min SSE 7 G 9.9 70°F 1012 hPa67°F
45135 - Prince Edward Pt 46 mi76 min SSE 12 G 14 72°F 73°F1 ft1011.3 hPa (-0.5)
OBGN6 - 8311030 - Ogdensburg, NY 56 mi46 min 66°F 73°F
RPRN6 - Rochester, NY 97 mi16 min S 2.9 G 5.1 72°F

Wind History for Oswego, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watertown, Watertown International Airport, NY2 mi20 minE 34.00 miLight Rain Fog/Mist71°F68°F90%1012 hPa
Fort Drum / Wheeler-Sack U. S. Army Airfield, NY17 mi20 minSE 810.00 miLight Rain69°F67°F94%1012.5 hPa

Link to 5 minute data for KART

Wind History from ART (wind in knots)
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Last 24hrSW11W13W13W11
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W11SW7SW7SW4CalmCalmCalmE4CalmCalmE6N6NE8E4E4CalmNE3N4E4E3
1 day agoS11
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2 days agoCalm4W6W7SW9W8W8SW6W3CalmCalmE3E4E5E4E3CalmNE4CalmS4E9E9SE5S6
G14

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Buffalo, NY (10,2,3,4)
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Ground Weather Radar Station Montague, NY
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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 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.