Sunday, December15, 2019
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Marine Weather and Tides
Canaan, CT

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 7:11AMSunset 4:24PM Sunday December 15, 2019 3:29 AM EST (08:29 UTC) Moonrise 9:03PMMoonset 11:17AM Illumination 87% Phase: Waning Gibbous; Moon at 18 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- 1229 Am Est Sun Dec 15 2019
.gale warning in effect through this afternoon...
Overnight..W winds around 20 kt with gusts up to 35 kt. Seas 3 to 4 ft.
Sun..W winds around 20 kt with gusts up to 35 kt. Seas around 4 ft.
Sun night..W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
Mon..W winds 5 to 10 kt. Seas 1 ft or less. Snow likely in the afternoon with vsby 1 to 3 nm.
Mon night..E winds 5 to 10 kt. Seas 1 ft or less. Snow, sleet and freezing rain in the evening. Rain. Vsby 1 to 3 nm.
Tue..NE winds around 10 kt, becoming N in the afternoon. Seas 1 ft or less. Rain.
Tue night..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less.
Wed..W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas around 2 ft.
Wed night..NW winds 15 to 20 kt. Seas 2 to 3 ft.
Thu..NW winds 10 to 15 kt. Seas around 2 ft in the morning, then 1 ft or less.
Thu night..NW winds 10 to 15 kt. Seas 1 ft or less.
ANZ300 1229 Am Est Sun Dec 15 2019
Synopsis for the long island waters and new york harbor.. High pressure builds in overnight, behind a storm departing to the north, and remains over the region through Sunday night. A low pressure system will then impact the waters Monday through Tuesday. High pressure returns for Wednesday and Thursday, but with a cold front moving through Wednesday night.


7 Day Forecast for Marine Location Near Canaan, CT
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location: 42.06, -73.32     debug


Area Discussion for - Albany, NY
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FXUS61 KALY 150541 AFDALY

AREA FORECAST DISCUSSION National Weather Service Albany NY 1241 AM EST Sun Dec 15 2019

SYNOPSIS. A strong cold front will move across the area tonight, with rain changing to accumulating snow in the western Adirondacks and some additional rain or snow showers elsewhere. Strong gusty winds will develop behind the cold front late tonight into Sunday. Colder temperatures filter into the region Sunday into Sunday night. Another storm system approaching from the west is expected to bring snow and or a wintry mix to the region Monday night through Tuesday.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Winter Weather Advisory remains in effect for northern Herkimer and Hamilton Counties from 10 PM tonight until 1 PM Sunday .

Wind Advisory has been issued for the southern Green Mountains Vermont, Berkshires, Mohawk and Schoharie Valleys, Capital District, northern and central Taconics, eastern Catskills, and Fulton and Hamilton Counties from 1 AM to 7 PM Sunday .

Cold air spreading across the region. Upper deformation snows in the southern Adirondacks with a little upslope rain and snow shower activity into the eastern Catskills, parts of the Taconics, Berkshires and southern VT. Temperatures will continue to cool through daybreak and upslope precipitation will slowly decrease in coverage as the upper energy and moisture lift north. Upper deformation snows will also slowly lift north but accumulating snow will continue at least through daybreak.

Lows in the 30s with gusty west winds and lows in 20s higher terrain north and west.

SHORT TERM /6 AM THIS MORNING THROUGH TUESDAY/. Upslope/deformation snow over the western Adirondacks will transition to more of a lake effect regime by Sunday morning, as the cyclone moves farther away from the region and the flow trajectory becomes W-NW with Conditional lake-induced instability. There will be some additional accumulation with this activity, especially across central Herkimer and southwest Hamilton counties where a few more inches are likely. The Winter Weather Advisory goes through 1 PM Sunday. Elsewhere, isolated to scattered snow showers are possible, but with little if any accumulation outside the southern Green Mountains. Gusty northwest winds will continue through early Sunday evening, as occasional gusts of 40-50 mph will persist across the Wind Advisory area in the cold advection regime and a strong pressure gradient in place. Temperatures will be colder than today, but still slightly above normal for mid December ranging from the lower 30s in the mountains to lower 40s in the Hudson Valley.

Lake effect snow showers should diminish Sunday night, as inversion heights are forecast to lower to around 850 mb. Still, it could take some time to completely end, so will mention light to low chance of snow showers into Sunday evening across the Mohawk Valley and southwest Adirondacks. Sunday night will be much colder across the entire region, as high pressure builds in from the west.

Monday now looks to be mainly dry, as the surface high gradually moves into western New England by late in the day. Most sources of guidance have slowed down onset of snow until Monday night, so will only mention slight to low chance south and west of Albany just prior to 00Z Tuesday.

Snow will develop Monday night from SW to NE associated with an open wave/positive tilt trough that will be approaching from the south and west. Model guidance still somewhat divergent with regards to the surface cyclone track. Model consensus is for the track to be just south of our region. However, warmer air aloft is still expected to move in associated with a southwest flow aloft. The NAM/GFS/ECMWF actually indicating similar thermal profile in the lowest 5 kft, with a warm nose aloft potentially moving northward to right around the Capital District and I-90 by Tuesday morning. Still, a period of snow is expected to result in light to moderate accumulations Monday night before snow mixes with sleet and/or freezing rain. The mix will occur first for far southern areas, where snow accumulations should be limited. However, there will be a gradient that could set up close to the I-90 corridor separating light vs. moderate snow accumulations.

At this time, the event looks to be a solid advisory event that should impact the Tuesday morning commute. With an open wave aloft, this system will be fast-moving, which will hold down QPF somewhat. Will continue to mention threat for snow and/or wintry mix in the HWO. Temperatures may not get above freezing for much of the area on Tuesday, except for mainly valley areas south of Albany.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/. As the early week storm pulls away, precipitation will gradually come to an end Tuesday night, ending as a period of snow for most locations. The next storm system and arctic cold front will slide across the region on Wednesday. Enough low- level moisture from the lakes, combined with 850 hPa temperatures below -10C, will set the stage for lake-effect (and lake-enhanced) snow showers and squalls. At this time, the steadiest and heaviest squalls are likely to affect the Mohawk Valley and Adirondacks.

In the wake of the front, temperatures Wednesday night will tumble to the lower teens across the mid-Hudson Valley, single digits across the Capital District, western New England and the Mohawk Valley and below zero across the Adirondacks. Gusty winds will make it feel even colder. A northwesterly flow over the Great Lakes will lead to lingering lake-effect snow showers, mainly affecting the Mohawk Valley and Catskills.

On Thursday, lake-effect snow showers will continue to affect portions of the Catskills, Mohawk Valley and even the Adirondacks, but will gradually dissipate as high pressure builds over the region. Thursday could end up being the coldest day so far this season with high temperatures ranging from the single digits and teens north to the low to mid-20s south.

High pressure will continue to dominate the region on Friday and Saturday. It will remain cold with temperatures averaging 5-10 degrees below normal.

AVIATION /06Z SUNDAY THROUGH THURSDAY/. As a low pressure system continues to lift north and strengthen, winds will increase in magnitude and remain gusty through the day Sunday. For the overnight period, ceilings should remain borderline VFR, with MVFR lingering at KPSF a bit longer. Main concern throughout the day will be the strengthening westerly winds. By mid-morning, expect gusts of up to 30 to 40 kts, strongest at KALB/KPSF. Winds should start to decrease after 00Z/Mon with continued VFR ceilings.

Outlook .

Sunday Night: Moderate Operational Impact. Windy NO SIG WX. Monday: Low Operational Impact. NO SIG WX. Monday Night: High Operational Impact. Definite SN. Tuesday: High Operational Impact Definite SN. SLEET. Tuesday Night: Low Operational Impact. Slight Chance of SN. Wednesday: Moderate Operational Impact. Chance of SHSN. Wednesday Night: Low Operational Impact. Isolated SHSN. Thursday: No Operational Impact. NO SIG WX.

HYDROLOGY. The Flood Watch for Berkshire and Litchfield County was allowed to expire this afternoon. River Flood Warnings are now in effect for most of the Housatonic river points, with Falls Village expected to be issued soon.

Another round of rainfall will move into the region through early this evening. However, greater amounts of a quarter to half inch will be west of the Hudson Valley, with much less east. This additional rainfall across the Taconics into western New England will not have any additional effect on river levels. Rain will change to snow over the western Adirondacks with rain and or snow showers elsewhere late tonight.

Another storm system will bring snow and or a wintry mix to the region, with bitter arctic cold expected from the middle of next week through at least the end of the work week. With colder air in place and primarily frozen precip expected, no additional flooding is anticipated.

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 . Wind Advisory until 7 PM EST this evening for NYZ033-038>040- 047>054-058-061-063-082. Winter Weather Advisory until 1 PM EST this afternoon for NYZ032-033. MA . Wind Advisory until 7 PM EST this evening for MAZ001-025. VT . Wind Advisory until 7 PM EST this evening for VTZ013-014.

SYNOPSIS . Thompson/JPV NEAR TERM . NAS/JPV SHORT TERM . JPV LONG TERM . Rathbun AVIATION . JLV HYDROLOGY . JPV


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANMN6 - Hudson River Reserve, NY 32 mi60 min WSW 9.9 43°F 995 hPa31°F
TKPN6 33 mi60 min S 8 G 11 43°F 35°F996.2 hPa29°F
NPXN6 37 mi60 min SW 8.9 41°F 996 hPa33°F
NWHC3 - 8465705 - New Haven, CT 58 mi60 min WNW 15 G 20 44°F 43°F995.6 hPa
BRHC3 - 8467150 - Bridgeport, CT 62 mi60 min WNW 7 G 13 44°F996.4 hPa

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pittsfield Municipal Airport, MA26 mi36 minW 17 G 229.00 miLight Snow37°F28°F73%993 hPa

Link to 5 minute data for KPSF

Wind History from PSF (wind in knots)
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Last 24hrN9NE85NE6NE4NE7CalmCalmNE5CalmCalmSE3CalmSE10
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1 day agoN4N4N6N3445NE5Calm4SE5CalmNE4N3CalmE44E65CalmCalmN6E5NE8
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W9W6SW3S4SW4W55W6SW5SW3S3S3CalmCalmCalmCalmCalmCalmSE8SE5SE934

Tide / Current Tables for Hudson, Hudson River, New York
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Hudson
Click for Map
Sun -- 04:58 AM EST     3.71 feet High Tide
Sun -- 07:16 AM EST     Sunrise
Sun -- 10:18 AM EST     Moonset
Sun -- 11:15 AM EST     -0.14 feet Low Tide
Sun -- 04:23 PM EST     Sunset
Sun -- 04:54 PM EST     4.59 feet High Tide
Sun -- 08:04 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.20.7233.53.73.52.920.90.2-0.1012.53.74.44.64.43.82.91.70.7-0

Tide / Current Tables for Catskill, Hudson River, New York
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Catskill
Click for Map
Sun -- 04:41 AM EST     3.54 feet High Tide
Sun -- 07:16 AM EST     Sunrise
Sun -- 10:18 AM EST     Moonset
Sun -- 11:01 AM EST     -0.15 feet Low Tide
Sun -- 04:23 PM EST     Sunset
Sun -- 04:37 PM EST     4.38 feet High Tide
Sun -- 08:04 PM EST     Moonrise
Sun -- 11:53 PM EST     -0.35 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.112.233.53.53.32.61.60.70.1-0.10.21.32.73.84.34.44.13.42.41.30.4-0.2

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Albany, NY (3,6,7,8)
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Ground Weather Radar Station Albany, NY
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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 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.