Sunday, January26, 2020
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Marine Weather and Tides
Shelter Island, 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 7:05AMSunset 5:00PM Sunday January 26, 2020 9:47 PM EST (02:47 UTC) Moonrise 9:24AMMoonset 7:45PM Illumination 4% Phase: Waxing Crescent; Moon at 2 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- 537 Pm Est Sun Jan 26 2020
Tonight..W winds 15 to 20 kt, diminishing to 10 to 15 kt. Occasional gusts up to 25 kt. Waves 1 ft or less.
Mon..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of flurries in the morning.
Mon night..NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft in the evening, then 1 ft or less.
Tue..NW winds around 15 kt with gusts up to 20 kt. Waves 1 ft or less.
Tue night..NW winds 10 to 15 kt. Waves 1 ft or less.
Wed..NW winds 10 to 15 kt. Waves 1 ft or less.
Wed night..N winds 10 to 15 kt. Waves 1 ft or less.
Thu..N winds 5 to 10 kt. Waves 1 ft or less.
Thu night..NW winds around 5 kt. Waves 1 ft or less.
Fri..W winds 5 to 10 kt. Waves 1 ft or less.
Fri night..NW winds 5 to 10 kt. Waves 1 ft or less.
ANZ300 537 Pm Est Sun Jan 26 2020
Synopsis for the long island waters and new york harbor.. High pressure will gradually build in from the west through the upcoming week across the local waters. High pressure slowly builds in from canada mid to late week. An area of low pressure may impact the area next weekend.


7 Day Forecast for Marine Location Near Shelter Island, NY
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location: 41.07, -72.32     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 262337 AFDOKX

Area Forecast Discussion National Weather Service New York NY 637 PM EST Sun Jan 26 2020

SYNOPSIS. High pressure gradually builds in from the west through the upcoming week. High pressure slowly builds in from Canada mid to late week. An area of low pressure may impact the area next weekend.

NEAR TERM /UNTIL 6 AM MONDAY MORNING/. Generally dry conditions are anticipated tonight. Clouds will pass through, with sky forecasts averaging partly to mostly cloudy tonight. Cannot completely count out a passing flurry, mainly NW of NYC metro, but the forecast remains precip free.

Slight adjustments to temperatures tonight performed with this update, with lows mainly from the upper 20s to mid 30s. Not much disparity given the clouds and a persistent westerly wind.

SHORT TERM /6 AM MONDAY MORNING THROUGH MONDAY NIGHT/. Sct to bkn clouds linger through the day on Monday resulting in a partly to mostly sunny day for much of the area. Skies will then clear later Monday afternoon and into the evening.

Highs on Monday will be in the 40s. Lows Monday night will be in the mid to upper 20s across inland sections and low 30s along the coast.

LONG TERM /TUESDAY THROUGH SUNDAY/. Several weak shortwaves split across the country will prevail before a potentially deeper trough develops aided by shortwave energy that moves off the Pacific and dives across the midwest toward the east coast by the weekend.

Dry and seasonably chilly conditions are anticipated Tuesday through Friday night as high pressure gradually builds in from Canada, passing overhead by late in the week.

An upper shortwave, and sfc trough passes Tuesday resulting in some clouds but dry conditions. Skies look to clear from Wednesday through Friday as the high approaches and passes overhead.

By next weekend, models continue to diverge on eventual evolution of the next trough, and thus depth of sfc low development and tracks remain unclear. However, there is the potential for precip next weekend, with confidence in any one solution low at this time.

AVIATION /00Z MONDAY THROUGH FRIDAY/. High pressure to the north and west of the region slowly begins to shift south overnight. Dry conditions are expected locally.

VFR dominate through the TAF period. West winds with gusts around 20 kt currently will gradually die down overnight. West winds peak up in the morning with gusts around 20 kt once again by noon on Monday.

OUTLOOK FOR 18Z MONDAY THROUGH FRIDAY. Monday aftn. VFR. W gusts around 20 kt. Tuesday. VFR. NW gusts around 20 kt Wednesday through Friday. VFR.

MARINE. SCA conditions across the ocean waters will slowly diminish through Monday afternoon and evening as high pressure builds across the area waters. The non ocean waters should see winds remain just below SCA criteria, or 25 kt tonight and Monday.

Gusty NW winds will persist ahead of building high pressure Tuesday and Wednesday. Winds diminish Thursday and Friday as the center of the high passes over the waters.

Seas remain below SCA thresholds through the mid to late week period.

HYDROLOGY. No hydrologic impacts are anticipated through the end of the week.

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

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 6 PM EST Monday for ANZ350-353-355.

SYNOPSIS . Fig/PW NEAR TERM . Fig SHORT TERM . Fig LONG TERM . PW AVIATION . DJ MARINE . Fig/PW HYDROLOGY . Fig EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MTKN6 - 8510560 - Montauk, NY 19 mi53 min 41°F 40°F1007.7 hPa
LDLC3 - New London Ledge CT - Ledge Light Weather 21 mi172 min W 17 G 20 42°F 1004.6 hPa34°F
NLNC3 - 8461490 - New London, CT 24 mi53 min 40°F 42°F1007.2 hPa
NWHC3 - 8465705 - New Haven, CT 34 mi53 min 42°F 39°F1007.2 hPa
BRHC3 - 8467150 - Bridgeport, CT 46 mi53 min 42°F 39°F1007.5 hPa

Wind History for New London, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Montauk, Montauk Airport, NY21 mi53 minWSW 7 mi41°F30°F65%1007.8 hPa
The Gabreski Airport, NY23 mi54 minN 010.00 miOvercast31°F26°F82%1008.7 hPa
Groton / New London, Groton / New London Airport, CT23 mi1.9 hrsW 810.00 miFair40°F30°F68%1007.3 hPa
Chester, Chester Airport, CT24 mi92 minN 010.00 miPartly Cloudy37°F28°F70%1007.1 hPa

Link to 5 minute data for KMTP

Wind History from MTP (wind in knots)
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1 day agoE5E7
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2 days agoCalmCalmCalmCalmW3W3CalmCalmCalmCalmCalmN4NE4E4NE5NE7----E5E4E4E4E7E6

Tide / Current Tables for Greenport, Long Island Sound, New York
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Greenport
Click for Map
Sun -- 05:02 AM EST     0.05 feet Low Tide
Sun -- 07:06 AM EST     Sunrise
Sun -- 08:23 AM EST     Moonrise
Sun -- 11:16 AM EST     2.55 feet High Tide
Sun -- 04:58 PM EST     Sunset
Sun -- 05:38 PM EST     -0.15 feet Low Tide
Sun -- 06:45 PM EST     Moonset
Sun -- 11:47 PM EST     2.14 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.61.20.70.30.10.20.71.41.92.32.52.52.11.610.4-0-0.10.20.81.31.72.1

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Sun -- 12:59 AM EST     -1.53 knots Max Ebb
Sun -- 04:20 AM EST     0.00 knots Slack
Sun -- 07:00 AM EST     1.60 knots Max Flood
Sun -- 07:06 AM EST     Sunrise
Sun -- 08:23 AM EST     Moonrise
Sun -- 10:15 AM EST     -0.00 knots Slack
Sun -- 01:31 PM EST     -1.72 knots Max Ebb
Sun -- 04:59 PM EST     Sunset
Sun -- 05:05 PM EST     0.00 knots Slack
Sun -- 06:46 PM EST     Moonset
Sun -- 07:30 PM EST     1.25 knots Max Flood
Sun -- 10:30 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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-1.3-1.5-1.3-0.9-0.30.61.41.61.510.2-0.6-1.2-1.7-1.7-1.3-0.9-0.10.81.21.210.4-0.4

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (21,6,7,8)
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Ground Weather Radar Station Upton, NY
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weather_mapweather_map weather_map

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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.