Friday, January17, 2020
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Marine Weather and Tides
North Haven, 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 7:09AMSunset 4:47PM Friday January 17, 2020 8:04 AM EST (13:04 UTC) Moonrise 12:48AMMoonset 12:34PM Illumination 52% 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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ANZ340 Peconic And Gardiners Bays- 640 Am Est Fri Jan 17 2020
.gale warning in effect until 1 pm est this afternoon...
Today..NW winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 30 kt this afternoon. Waves 2 to 3 ft.
Tonight..NW winds 15 to 20 kt with gusts up to 25 kt, becoming N 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less.
Sat..NE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. Snow likely with rain in the afternoon. Vsby less than 1 nm in the afternoon.
Sat night..SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Rain, mainly in the evening with vsby 1 to 3 nm.
Sun..W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft.
Sun night..NW winds around 15 kt with gusts up to 25 kt. Waves around 2 ft in the evening, then 1 ft or less.
Mon..NW winds 10 to 15 kt. Waves 1 ft or less.
Mon night..NW winds around 10 kt. Waves 1 ft or less.
Tue..N winds around 10 kt. Waves 1 ft or less.
Tue night..N winds 5 to 10 kt. Waves 1 ft or less.
ANZ300 640 Am Est Fri Jan 17 2020
Synopsis for the long island waters and new york harbor.. High pressure builds today followed by a frontal system expected to impact the area Saturday and Saturday night. High pressure builds in behind a cold front Sunday and Monday. The high settles across the region Tuesday and remains through the week.


7 Day Forecast for Marine Location Near North Haven, NY
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location: 41.03, -72.27     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 171201 AFDOKX

Area Forecast Discussion National Weather Service New York NY 701 AM EST Fri Jan 17 2020

SYNOPSIS. High pressure builds today followed by a frontal system expected to impact the area Saturday and Saturday night. This systems is expected to bring snow in the late afternoon Saturday followed by rain overnight. High pressure builds in behind a cold front Sunday and Monday. The high settles across the region Tuesday and remains through the week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Made only minor changes to the temperatures and dew points for current conditions.

Strong +1040mb surface high builds into southern Quebec today brining in cold dry conditions for the near term. The eastward movement of the upper level ridge axis near Lake Erie promotes subsidence locally with clear skies for the forecast area today. As the high builds, brisk north winds 10-15 mph with gust up to 20 mph will keep temperatures below freezing for the entire day with wind chills in the teens.

SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/. Advisory level snow amounts Saturday afternoon through the night will be the main concern for the short term. As the surface high shifts offshore and out of the area overnight Friday into Saturday a deepening low pressure system over the Great Lakes moves east into New York State propelled by a 130kt upper level jet. Upsloped moisture along the leading edge of the system will be initially falling through frozen air. The 1000-500 mb thickness values are less than 540 dm during the first half of the event meaning that the primary precip type Saturday afternoon will be snow. As with most systems a tight snowfall gradient is expected to split the forecast area. Snowfall amounts for Lower Hudson Valley and Southern CT could range 3-4 inches, near the city may see 2-3 inches, while 1-2 inches of snow is possible along Long Island. Isolated higher amounts can not be ruled out at this time. A Winter Weather Advisory is in effect for Portions of northeast New Jersey, southern Connecticut and southeast New York from 10 am Saturday through 1 am Sunday. By late Saturday evening snow should transition into rain owing to a warming atmospheric column. Temperatures are forecast to increase throughout the evening and overnight into the mid 40s.

LONG TERM /SUNDAY THROUGH THURSDAY/. A surface trough will remain just north of the region, across the Hudson Valley into southern New England, Sunday with deep cyclonic flow remaining. Also, the upper trough will just be exiting the area Sunday afternoon with a rather strong vort max accompanying the trough axis passage. Moisture will be remaining and with the atmospheric column cold enough to support snow growth a few snow showers or flurries will be possible across the northern zones in the afternoon. At this time will not have any probabilities and mention isolated flurries.

A longwave upper trough will remain across the eastern states into the midweek period as arctic high pressure builds to the west. While temperatures will be slightly below normal by Monday as the arctic cold moves in, the core of the cold air will remain to the west and southwest of the region. Surface high pressure will then settle across the region late Tuesday and remain into late in the week. Temperatures modify back to, or just above normal, Thursday and Friday.

AVIATION /12Z FRIDAY THROUGH TUESDAY/. High pressure builds in from the west today and settles over the area tonight.

VFR. NW winds north of 310 magnetic with gusts mostly 25-32kt through the morning push. Gusts should lower thereafter, especially during the afternoon. Gusts end Friday evening. Light winds, going variable to calm later at night. Clouds increase and lower, but still maintaining VFR conditions into Saturday morning.

. NY Metro Enhanced Aviation Weather Support .

Detailed information, including hourly TAF wind component forecasts, can be found at: http://www.weather.gov/zny/n90

KJFK TAF Comments: Timing of ending of wind gusts may be off by 1 to 2 hours this evening.

The afternoon KJFK haze potential forecast is GREEN . which implies slant range visibility 7SM or greater outside of cloud.

KLGA TAF Comments: Timing of ending of wind gusts may be off by 1 to 2 hours this evening.

The afternoon KLGA haze potential forecast is GREEN . which implies slant range visibility 7SM or greater outside of cloud.

KEWR TAF Comments: Timing of ending of wind gusts may be off by 1 to 2 hours this evening.

The afternoon KEWR haze potential forecast is GREEN . which implies slant range visibility 7SM or greater outside of cloud.

KTEB TAF Comments: Timing of ending of wind gusts may be off by 1 to 2 hours this evening.

KHPN TAF Comments: Timing of ending of wind gusts may be off by 1 to 2 hours this evening.

KISP TAF Comments: Timing of ending of wind gusts may be off by 1 to 2 hours this evening.

OUTLOOK FOR 12Z SATURDAY THROUGH TUESDAY. Friday night. VFR. Saturday. IFR or lower with snow developing late morning/afternoon. Snow changes to rain southeast to northwest late afternoon into the evening, possibly remaining snow well northwest. 2 inches possible NYC, 1-2 inches possible LI, 2-4 inches possible for CT and Lower Hudson Valley Terminals. Sunday. VFR. W G25-35kt. Monday-Tuesday. VFR, NW winds.

MARINE. No changes made to winds and seas with this update.

Gales are expected to continue until this afternoon. North gusts of 35-40 kt range are possible for the ocean waters. Winds should improve there after, with a period of SCA conditions, through this afternoon on the non ocean waters, and into this evening on the ocean. Winds switch out of the south late Saturday morning ahead of an approaching system. As the system nears, potential SCA or gale conditions will be possible Saturday evening into Sunday.

With low pressure departing to the northeast Sunday morning ocean gales will likely be continuing, at least through the morning, with SCA conditions afterward. On the remainder of the waters SCA conditions will be on going Sunday and continue into Sunday night, possibly as late as early Monday morning.

A strong pressure gradient force will remain across the waters into Monday as high pressure builds in slowly from the west. As a result, SCA conditions on the ocean are expected to remain through Monday.

High pressure will be dominating across the waters with tranquil conditions Monday night through late in the week.

HYDROLOGY. No hydrologic impacts are expected through today. QPF between 0.25 and 0.50 inches, with much of the precipitation in the form of snow, is possible Saturday and Saturday night. No hydrologic impacts are expected Sunday through the middle of next week.

EQUIPMENT. NYC NOAA Weather Radio Station KWO35 (162.55 MHz) is still operating at reduced power.

OKX WATCHES/WARNINGS/ADVISORIES. CT . Winter Weather Advisory from 10 AM Saturday to 1 AM EST Sunday for CTZ005>012. NY . Winter Weather Advisory from 10 AM Saturday to 1 AM EST Sunday for NYZ067>073. NJ . Winter Weather Advisory from 10 AM Saturday to 1 AM EST Sunday for NJZ002-004-006-103>108. MARINE . Gale Warning until 1 PM EST this afternoon for ANZ330-335-338- 340-345-350-353-355.

SYNOPSIS . DJ/16/MET NEAR TERM . DJ/16 SHORT TERM . DJ/16 LONG TERM . MET AVIATION . JE MARINE . DJ/16/MET HYDROLOGY . DJ/16/MET EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MTKN6 - 8510560 - Montauk, NY 17 mi53 min 24°F 41°F1030.9 hPa
LDLC3 - New London Ledge CT - Ledge Light Weather 22 mi40 min NW 17 G 22 21°F 1028.4 hPa8°F
NLNC3 - 8461490 - New London, CT 25 mi53 min NNW 6 G 12 21°F 43°F1030.2 hPa
NWHC3 - 8465705 - New Haven, CT 38 mi47 min N 12 G 21 19°F 40°F1031.8 hPa
BRHC3 - 8467150 - Bridgeport, CT 49 mi47 min N 11 G 17 20°F 41°F1032.5 hPa

Wind History for New London, CT
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Montauk, Montauk Airport, NY19 mi71 minNNW 17 G 26 mi24°F10°F57%1029.4 hPa
The Gabreski Airport, NY23 mi72 minNNW 23 G 3310.00 miFair and Windy21°F3°F45%1031 hPa
Groton / New London, Groton / New London Airport, CT24 mi69 minNNW 15 G 227.00 miFair20°F7°F57%1029.5 hPa

Link to 5 minute data for KMTP

Wind History from MTP (wind in knots)
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1 day agoNW4NW6NW7NW8NW9--NW10W63CalmCalmCalmCalmCalmCalmCalmS453S6S6SE4S5SW7
2 days agoN3CalmCalmCalmE5--E4SE4E33E3E3Calm3E3CalmCalmCalmCalmW5W9NW5NW9W5

Tide / Current Tables for Cedar Point, Long Island Sound, New York
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Cedar Point
Click for Map
Fri -- 03:16 AM EST     2.70 feet High Tide
Fri -- 07:11 AM EST     Sunrise
Fri -- 08:00 AM EST     Last Quarter
Fri -- 09:37 AM EST     -0.03 feet Low Tide
Fri -- 11:33 AM EST     Moonset
Fri -- 03:42 PM EST     2.23 feet High Tide
Fri -- 04:47 PM EST     Sunset
Fri -- 09:51 PM EST     -0.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.422.52.72.62.21.71.10.50.100.30.91.41.92.22.221.510.60.1-00.2

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Fri -- 02:22 AM EST     -0.00 knots Slack
Fri -- 05:36 AM EST     -1.50 knots Max Ebb
Fri -- 07:11 AM EST     Sunrise
Fri -- 08:00 AM EST     Last Quarter
Fri -- 09:12 AM EST     0.00 knots Slack
Fri -- 11:33 AM EST     1.32 knots Max Flood
Fri -- 11:34 AM EST     Moonset
Fri -- 02:35 PM EST     -0.00 knots Slack
Fri -- 04:48 PM EST     Sunset
Fri -- 05:58 PM EST     -1.58 knots Max Ebb
Fri -- 09:31 PM EST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.10.3-0.5-1.1-1.4-1.5-1.2-0.7-0.20.71.21.310.5-0.3-1-1.4-1.6-1.4-0.9-0.40.41.2

Weather Map
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wmap_A
GEOS Local Image of Northeast    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (8,2,3,4)
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Ground Weather Radar Station Upton, 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.