Wednesday, November22, 2017 L-36.com


Marine Weather and Tides
Shoreham, NY

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:47AMSunset 4:29PM Wednesday November 22, 2017 3:28 PM EST (20:28 UTC) Moonrise 11:05AMMoonset 8:57PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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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ANZ345 South Shore Bays From Jones Inlet Through Shinnecock Bay- 1234 Pm Est Wed Nov 22 2017
.small craft advisory in effect until midnight est tonight...
This afternoon..NW winds 15 to 20 kt. Gusts up to 30 kt late. Waves around 2 ft. Showers likely early.
Tonight..NW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less.
Thu..NW winds around 10 kt. Waves 1 ft or less.
Thu night..W winds around 10 kt. Waves 1 ft or less.
Fri..W winds 5 to 10 kt. Waves 1 ft or less.
Fri night..SW winds 5 to 10 kt. Waves 1 ft or less.
Sat..SW winds 10 to 15 kt. Waves 1 ft or less.
Sat night..W winds around 10 kt. Waves 1 ft or less.
Sun..NW winds 10 to 15 kt. Waves around 2 ft.
Sun night..NW winds 15 to 20 kt. Waves around 2 ft.
ANZ300 1234 Pm Est Wed Nov 22 2017
Synopsis for the long island waters and new york harbor.. A cold front will continue to cross the waters this afternoon as low pressure develops east of cape cod this evening. High pressure builds in tonight through the end of the week. A warm front lifts well north on Saturday followed by a cold front Saturday night. High pressure builds to the west for the beginning of next week.

7 Day Forecast for Marine Location Near Shoreham, NY
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location: 41, -72.86     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 221750
afdokx
area forecast discussion
national weather service new york ny
1250 pm est Wed nov 22 2017

Synopsis
A cold front crosses the area from west to east through this
afternoon. High pressure builds in Wednesday night through the
end of the week. A cold front crosses Saturday night, with high
pressure building in from the west for the beginning of next
week.

Near term until 6 pm this evening
Rain will continue to come to an end from west to east through
this afternoon as the cold front sweeps across the area. Behind
the front skies will begin to clear, resulting in a period of
partly to mostly sunny conditions this afternoon, especially
from nyc north and west.

Temperatures will remain nearly steady or slowly fall through
the afternoon as gusty northwest winds usher in colder air
behind the front.

Short term 6 pm this evening through 6 pm Thursday
Clear, with diminishing winds overnight allows for radiational
thermal decoupling in the rural areas. A blend of MOS was used
with near freezing in the ny metro for lows forecast.

Sunny and chilly, but with a light wind for thanksgiving. Cooler
nam ECMWF blend seems best for temps (about 8 degrees below
normal).

Long term Thursday night through Tuesday
High pressure at the surface, pushes off the east coast late
Friday into Friday night as a warm front over the eastern great
lakes lifts well north of the area. Warm air advection doesn't
seem to kick in until Friday evening, so dry and continued cool
for Friday, but slightly warmer than Thursday with highs in the
middle to upper 40s.

Another cold front approaches the area late Saturday and passes
through Saturday night. Southwesterly flow ahead of the front will
bring temperatures to normal levels to above normal levels, in the
upper 40s to upper 50s. 00z GEFS keeps it dry.

A secondary cold front moves through on Sunday with a
reinforcing shot of cold air. Some instability with the colder
air aloft associated with the upper level trough may produce
some light rain showers.

High pressure then keeps the area dry through the beginning of next
week.

Aviation 18z Wednesday through Monday
A coastal low passes well to the east of long island as high
pressure builds in from the west tonight.

Vfr returns most terminals, except subVFR initially eastern
terminals. After 20-22z,VFR as skies clear. TheseVFR conditions
continue through tonight and Thursday morning.

Gusty NW winds of 10-20 kt with gusts 20-30 kt are forecast for the
remainder of the afternoon. Winds taper off during the evening, with
gusts abated by around midnight. Winds diminish to less than 10 kt
throughout overnight. NW winds slowly back toward the W NW Thursday
morning.

Ny metro enhanced aviation weather support...

detailed information, including hourly TAF wind component fcsts,
can be found at: http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44039 - Central Long Island Sound 14 mi156 min N 12 G 16 52°F 1 ft
NWHC3 - 8465705 - New Haven, CT 20 mi41 min N 13 G 18 46°F 51°F1011.3 hPa
BRHC3 - 8467150 - Bridgeport, CT 21 mi47 min NNW 12 G 21 46°F 51°F1011.1 hPa
44069 24 mi59 min NW 12 G 19 50°F 46°F44°F
44040 - Western Long Island Sound 38 mi44 min NNW 19 G 29 49°F 2 ft40°F
LDLC3 - New London Ledge CT - Ledge Light Weather 47 mi29 min NNW 16 G 19 49°F 1008.6 hPa (-0.9)45°F
44022 - Execution Rocks 47 mi44 min N 16 G 21 50°F 41°F
NLNC3 - 8461490 - New London, CT 48 mi41 min N 8.9 G 11 48°F 54°F1009.1 hPa
MTKN6 - 8510560 - Montauk, NY 48 mi41 min 50°F 53°F1008.9 hPa

Wind History for New Haven, CT
(wind in knots)    EDIT      (on/off)   Help
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Last
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SW11
G14
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1 day
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W12
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NW20
G27
NW16
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NW11
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G25
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G28
NW13
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Shirley, Brookhaven Airport, NY12 mi93 minNW 710.00 miLight Rain51°F48°F89%1010.7 hPa
The Gabreski Airport, NY16 mi36 minNW 10 G 1810.00 miOvercast50°F46°F86%1010.7 hPa
Bridgeport, Sikorsky Memorial Airport, CT19 mi37 minNW 14 G 2210.00 miMostly Cloudy47°F37°F69%1011.4 hPa
Islip, Long Island Mac Arthur Airport, NY19 mi93 minNW 1010.00 miMostly Cloudy53°F48°F83%1010.4 hPa
New Haven, Tweed-New Haven Airport, CT19 mi36 minNW 11 G 1710.00 miOvercast47°F39°F74%1011.2 hPa

Wind History from HWV (wind in knots)
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Last 24hrS10
G19
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S8SW10
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SW7SW5SW7SW5SW4W5S3SW6S5S4SW4S5S3NW5NW7N8NW7NW16
G25
1 day agoW9
G17
W6SW6W6SW6W7W4S33SW4S3SW5SW6SW5SW5SW3SW6SW10S13
G22
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2 days agoNW20
G27
NW18
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G32
NW13
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W8NW11W5W8W8W6W8NW12
G20
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W8W11W12
G22
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G18
W14

Tide / Current Tables for Herod Point, Long Island Sound, New York
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Herod Point
Click for Map
Wed -- 01:05 AM EST     5.82 feet High Tide
Wed -- 06:47 AM EST     Sunrise
Wed -- 07:04 AM EST     0.76 feet Low Tide
Wed -- 10:04 AM EST     Moonrise
Wed -- 01:15 PM EST     6.32 feet High Tide
Wed -- 04:27 PM EST     Sunset
Wed -- 07:34 PM EST     0.36 feet Low Tide
Wed -- 07:57 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.45.85.54.53.22.11.20.81.12.13.44.75.86.36.15.13.82.41.20.50.41.12.33.6

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Wed -- 02:25 AM EST     -1.34 knots Max Ebb
Wed -- 05:46 AM EST     0.00 knots Slack
Wed -- 06:45 AM EST     Sunrise
Wed -- 08:23 AM EST     1.39 knots Max Flood
Wed -- 10:02 AM EST     Moonrise
Wed -- 11:43 AM EST     -0.00 knots Slack
Wed -- 02:57 PM EST     -1.54 knots Max Ebb
Wed -- 04:26 PM EST     Sunset
Wed -- 06:46 PM EST     0.00 knots Slack
Wed -- 07:56 PM EST     Moonset
Wed -- 08:56 PM EST     1.04 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.5-1-1.3-1.3-0.9-0.40.10.91.31.31.10.6-0.2-0.9-1.4-1.5-1.3-0.9-0.50.20.810.90.6

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Northeast    EDIT
Geos

Wind Forecast for New York City/Upton, NY (15,3,4,5)
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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 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.