Sunday, January24, 2021
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Marine Weather and Tides
Great Barrington, MA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:12AMSunset 4:58PM Sunday January 24, 2021 10:21 AM EST (15:21 UTC) Moonrise 2:13PMMoonset 4:46AM Illumination 86% 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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ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 529 Am Est Sun Jan 24 2021
.small craft advisory in effect until 3 pm est this afternoon...
Today..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Tonight..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft in the evening, then 1 ft or less.
Mon..NW winds 5 to 10 kt. Seas 1 ft or less.
Mon night..NE winds 5 to 10 kt. Seas 1 ft or less.
Tue..NE winds around 10 kt. Seas 1 ft or less. Chance of light snow in the morning, then light snow likely in the afternoon.
Tue night..NE winds around 10 kt. Seas 1 ft or less. Light snow likely, mainly in the evening.
Wed..NE winds 5 to 10 kt. Seas 1 ft or less.
Wed night..NE winds 5 to 10 kt with gusts up to 20 kt. Seas 1 ft or less.
Thu..NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of snow and rain. Vsby 1 to 3 nm.
Thu night..N winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
ANZ300 529 Am Est Sun Jan 24 2021
Synopsis for the long island waters and new york harbor.. Low pressure slowly weakens over the canadian maritimes through the weekend, while high pressure builds in from the west. The high weakens Sunday night and Monday as low pressure approaches from the southwest. The low passes south of the area Monday night into Tuesday night. High pressure returns Wednesday, followed by a coastal storm passing fairly well south of the area Wednesday night through Thursday.


7 Day Forecast for Marine Location Near Great Barrington, MA
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location: 42.19, -73.36     debug


Area Discussion for - Albany, NY
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FXUS61 KALY 241440 AFDALY

AREA FORECAST DISCUSSION National Weather Service Albany NY 940 AM EST Sun Jan 24 2021

SYNOPSIS. High pressure will settle across the region for this last day of the weekend with cold but dry conditions. A weakening upper impulse is expected to track east from the Great Lakes region where some additional cloud coverage is anticipated tonight. Dry weather will continue into Monday as we closely monitor trends of a storm developing to our south and its northern periphery may bring some light snow to the region later Tuesday into Tuesday night.

NEAR TERM /THROUGH MONDAY/. 9:30 AM EST Update . Wind Chill Advisory has been allowed to expire with current wind chills over the area reading above -20F. As far as the going forecast, have made just slight adjustments to temperatures to reflect current observations. Rest of forecast remains on track. See previous discussion below.

As of 615 AM EST . Skies have cleared across the majority of the CWA as temperatures continue to fall along with an occasional gust of wind. Wind chill advisory remains in effect for the Dacks as the remainder of the region values were at or below zero this Sunday morning. Not much change from the forecast as upstream clouds will filter the January sunshine somewhat this afternoon.

Prev Disc . Diminishing stratus off Lake Ontario should continue this early Sunday morning for the Schoharie Valley and Catskills. So a mostly sunny start to the day with sunrise after a very chilly beginning with temperatures below zero across the Dacks, single digits along and north of I90 to teens south. However, H2O vapor imagery depicts an approaching upper trough into the western Great Lakes. Diffluent pattern downstream is resulting in a region of high and mid level clouds which, per HRRR/HREF, will move across the region later this afternoon and evening. Otherwise, a dry forecast today into tonight with highs this afternoon ranging from the teens across the higher terrain to near 30F for mid-Hudson Valley. Overnight lows at or below zero once again across the Dacks to teens south of Albany through the Hudson River Valley and southern portions of Litchfield County CT.

Through Monday, high pressure will once again reestablish itself as heights aloft increase. As skies will generally be mostly clear, some increase in high level moisture is expected through the daylight hours. This in response to the developing storm across the mid-Mississippi River Valley and ample moisture being advected northward across the mid-Atlantic region. Highs temperatures will be a tad warmer with 20s for most areas, lower 30s for the mid-Hudson and southern Litchfield County.

SHORT TERM /MONDAY NIGHT THROUGH TUESDAY NIGHT/. A light accumulating snowfall event is in the forecast Tuesday into Tuesday night.

00Z NCEP Model Suite and International guidance all suggest the northern extent of the moisture from the southern storm system will advect northward and across most of our region later Tuesday into Tuesday. While the best baroclinicity is expected to be south of I90, a prolonged deformation east-west axis seen in the cross sections between 800-900MB will likely be the main driving force for the light snow development. As bulk of deeper moisture is expected to slide off the Atlantic seaboard Tuesday, overall QPF appears light across the region. Specific humidities within that aforementioned layer are progged to be around 2 g/kg with broad lift and most of which occurs below the best dendritic zone. So expectations are for the light snow to evolve across most of the region with accumulations falling between 1-4" (higher amounts into the Catskills). Further north, likely reduced snowfall as moisture will be competing with the cold/dry Canadian high north of the Great Lakes. Highs Monday and Tuesday generally into the 20s and lower 30s.

Moisture is expected to quickly dissipate overnight Tuesday from north to south as the wave, deformation slide southeast and surface ridge from the north builds southward. Clouds too should diminish from north to south as temperatures fall back into the teens and lower half of the 20s.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Weak wave of low pressure will be departing off the east off the mid- Atlantic coast and into the open Atlantic. Behind this system, there will be a brief period of weak shortwave ridging in place for Wednesday into Wednesday night. Despite the ridging, low level moisture trapped beneath an inversion should still allow for plenty of clouds over the region, but weak forcing should keep it dry with no precip. Daytime temps look seasonable in the mid 20s to mid 30s, with overnight lows in the teens to low 20s.

By Thursday, another storm system will be moving across the mid- Atlantic states. Based on the latest model and ensemble guidance, this system should be remaining too far to the south to have much of an impact on our weather. Will allow for slight chc POPs across far southern areas in case it trends northward, otherwise, it will be dry and chilly, with a partly to mostly cloudy sky. Temps will remain below freezing, with highs in the 20s to low 30s and lows on Thursday night in the single digits and teens.

An upper level low will move across the Northeast from southern Canada for Friday. Any forcing for precip should be east of the region, but much lower heights and colder temps aloft will allow for even colder weather. Highs on Friday look to stay in the teens and 20s, with a northwesterly breeze. Overnight lows will be in the single digits to low teens, and there is the potential for even colder temps if winds diminish faster than currently anticipated.

As the upper level disturbance moves away, heights will slowly rise across the Northeast for Saturday. It should stay dry with continued below normal temps. The next chance for any precip doesn't look to be until Sunday into Monday, when some light snow or a wintry mix spreads towards the area.

AVIATION /15Z SUNDAY THROUGH THURSDAY/. Flying conditions are VFR with clear skies over the region. Any upslope or lingering lake effect clouds have cleared from the TAF sites and sunny skies are expected through the day today, allowing for continued VFR conditions. Some mid or high level clouds will start to build in for this evening into tonight, but it will remain VFR.

Although winds did diminish somewhat overnight, daytime mixing will allow for winds to pick up at all sites again today, although it won't be as windy as Saturday. West to northwest winds will be 10 to 15 kts, with some gusts up to 25 kts possible. These winds will lower for tonight, with west-northwest winds of 4 to 8 kts expected tonight.

Outlook .

Monday Night: No Operational Impact. NO SIG WX. Tuesday: High Operational Impact. Likely SN. Tuesday Night: Moderate Operational Impact. Likely SN. Wednesday: No Operational Impact. NO SIG WX. Wednesday Night: No Operational Impact. NO SIG WX. Thursday: No Operational Impact. NO SIG WX. Thursday Night: No Operational Impact. NO SIG WX. Friday: No Operational Impact. NO SIG WX.

HYDROLOGY. No widespread hydrological issues are expected during the the upcoming week. A few periods of light snow and lake effect snow are possible which will have little impact on the rivers.

Cold temperatures will persist through the middle of next week. Cold air will support river and lake ice development, especially at night.

For details on specific area rivers and lakes, including observed and forecast river stages and lake elevations, please visit the Advanced Hydrologic Prediction Service /AHPS/ graphs on our website.

ALY WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. MA . None. VT . None.

SYNOPSIS . BGM NEAR TERM . Evbuoma/BGM SHORT TERM . BGM LONG TERM . Frugis AVIATION . Frugis HYDROLOGY . Evbuoma/BGM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANMN6 - Hudson River Reserve, NY 32 mi52 min WSW 2.9 21°F 1022 hPa4°F
TKPN6 33 mi52 min N 8 G 12 24°F 34°F1022.8 hPa3°F
NPXN6 40 mi52 min NW 6 20°F 1024 hPa3°F
NWHC3 - 8465705 - New Haven, CT 67 mi52 min NNW 21 G 25 22°F 37°F1021.2 hPa
BRHC3 - 8467150 - Bridgeport, CT 71 mi52 min WNW 8 G 13 23°F 40°F1021.1 hPa

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pittsfield Municipal Airport, MA17 mi28 minWNW 8 G 1710.00 miFair9°F-3°F58%1020.9 hPa

Link to 5 minute data for KPSF

Wind History from PSF (wind in knots)
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2 days agoS10S5SW644CalmSW4W4CalmCalmNE3CalmNE5CalmW3W3CalmCalmCalmCalmCalmSW6SW6W12

Tide / Current Tables for Hudson, Hudson River, New York
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Hudson
Click for Map
Sun -- 03:48 AM EST     Moonset
Sun -- 05:47 AM EST     0.45 feet Low Tide
Sun -- 07:15 AM EST     Sunrise
Sun -- 11:51 AM EST     3.62 feet High Tide
Sun -- 01:14 PM EST     Moonrise
Sun -- 04:59 PM EST     Sunset
Sun -- 06:40 PM EST     0.41 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.92.621.40.90.60.50.91.82.63.23.53.63.42.92.21.610.50.40.91.62.22.7

Tide / Current Tables for Coxsackie, Hudson River, New York
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Coxsackie
Click for Map
Sun -- 12:24 AM EST     3.26 feet High Tide
Sun -- 03:48 AM EST     Moonset
Sun -- 06:18 AM EST     0.28 feet Low Tide
Sun -- 07:15 AM EST     Sunrise
Sun -- 12:53 PM EST     4.62 feet High Tide
Sun -- 01:14 PM EST     Moonrise
Sun -- 04:59 PM EST     Sunset
Sun -- 07:07 PM EST     0.37 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.23.22.61.91.40.80.30.41.32.33.344.44.64.23.42.71.910.40.61.322.6

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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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.