Wednesday, March29, 2017 L-36.com


Marine Weather and Tides
Shoreham, NY

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:37AMSunset 7:15PM Wednesday March 29, 2017 1:03 PM EDT (17:03 UTC) Moonrise 7:49AMMoonset 9:12PM Illumination 5% 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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ANZ345 South Shore Bays From Jones Inlet Through Shinnecock Bay- 1223 Pm Edt Wed Mar 29 2017
This afternoon..NW winds around 10 kt. Waves 1 ft or less.
Tonight..N winds around 10 kt with gusts up to 20 kt. Waves 1 ft or less.
Thu..N winds 5 to 10 kt. Waves 1 ft or less.
Thu night..S winds around 5 kt. Waves 1 ft or less. Chance of rain after midnight.
Fri..SE winds 5 to 10 kt...increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves 1 ft or less. Rain.
Fri night..E winds 10 to 15 kt with gusts up to 25 kt. Waves 1 ft or less. Rain. Vsby 1 to 3 nm in the evening.
Sat..N winds 10 to 15 kt...diminishing to 5 to 10 kt after midnight. Waves 1 ft or less. Rain likely...mainly in the morning.
Sun..NW winds 5 to 10 kt. Waves 1 ft or less.
ANZ300 1223 Pm Edt Wed Mar 29 2017
Synopsis for long island waters and new york harbor.. Low pressure tracks out to sea today. High pressure build in on Thursday. Low pressure approaching from the central states will impact the region Thursday night into Saturday. High pressure will build in on Sunday.

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 291412
afdokx
area forecast discussion
national weather service new york ny
1012 am edt Wed mar 29 2017

Synopsis
Low pressure will track out to sea today, allowing high pressure
to build in on Thursday. Low pressure will impact the area
Thursday night through Saturday. High pressure builds in for
Sunday through Monday night. Another area of low pressure
affects the region Tuesday.

Near term /through tonight/
Forecast remains on track with only minor changes made to
reflect current observations.

Low pressure northeast of the region will continue to track out
to sea today. A 1030s high building southward over ontario will
combine with the exiting low to produce northerly winds into
tonight. Residual low clouds will burn off this morning, then
fair weather cumulus should develop this afternoon as convective
temperatures are reached. Moderate mixing will allow for
temperatures to eclipse highs of the past few days, despite the
essentially cooler airmass. The guidance was in good agreement
so a blend was used.

Short term /Thursday/
High pressure drifts across the forecast area resulting in fair
weather and light winds. Mid and high clouds will filter out the
sunshine from time to time. A blend of the guidance, which was
in good agreement, was used for temperatures.

Long term /Thursday night through Tuesday/
Operational models are in fairly good agreement in the long term.

High pressure at the surface pushes off the new england coast
Thursday night. Warm air advection allows clouds to lower and
thicken, with precipitation moving in mainly late Thursday night as
a weakening surface low form the mid-west approaches. Precipitation
may start out as a brief period of wintry mix inland. Little, if any
accumulation is expected.

Precipitation continues into Friday, with plain rain everywhere by
the afternoon. The rain may come down moderate to heavy at times
Friday night as a secondary low develops off the mid-atlantic coast,
creating a decent amount of lift throughout the column to support
the heavier rainfall. Precipitable water values exceeding an inch
late Friday night is well above the average for the date, given
climatology.

After some lingering showers Saturday morning, surface high pressure
builds in thereafter, keeping the area dry through the rest of the
weekend into Monday.

High pressure pushes off the east coast on Monday night, allowing for
another low to affect the area Tuesday.

Temperatures during the long term will be seasonable, with the
exception of Friday and Saturday. Cloudy skies and rain will keep
temperatures below normal these days.

Aviation /14z Wednesday through Sunday/
A cold front pushes through the region this afternoon followed
by high pressure building towards the area tonight.

Bands of MVFR CIGS will continue to gradually improve toVFR
through 16z.VFR conditions are then expected through the taf
period.

Nw gusts of 20-25 kt likely through the morning which may weaken
a bit in the early/mid afternoon. These gusts may return late
afternoon into early evening. NW gusts likely last for metro
terminals through 00-02z, diminishing 00 to 02z. Winds
expected to be right of 310 magnetic through the period.

Ny metro enhanced aviation weather support...

detailed information, including hourly TAF wind component forecasts,
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 mi64 min N 7.8 G 9.7 44°F 1 ft
NWHC3 - 8465705 - New Haven, CT 20 mi46 min N 12 G 19 49°F 40°F1017.4 hPa
BRHC3 - 8467150 - Bridgeport, CT 21 mi46 min NNW 8 G 17 49°F 1017.2 hPa
44040 - Western Long Island Sound 38 mi49 min N 7.8 G 16 45°F 1 ft36°F
LDLC3 - New London Ledge CT - Ledge Light Weather 47 mi34 min N 16 G 20 49°F 33°F
44017 - 23 Nautical Miles Southwest of Montauk Point, NY 48 mi74 min 42°F 42°F3 ft1017.3 hPa (+1.3)40°F
NLNC3 - 8461490 - New London, CT 48 mi46 min N 1.9 G 8.9 49°F 40°F1016.3 hPa

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Shirley, Brookhaven Airport, NY12 mi68 minN 8 G 1810.00 miFair51°F36°F56%1017.8 hPa
The Gabreski Airport, NY16 mi71 minNNW 16 G 2210.00 miMostly Cloudy49°F34°F56%1017.6 hPa
Bridgeport, Sikorsky Memorial Airport, CT19 mi72 minNW 1010.00 miA Few Clouds54°F35°F49%1017.6 hPa
Islip, Long Island Mac Arthur Airport, NY19 mi68 minN 17 G 2310.00 miA Few Clouds51°F36°F56%1017.3 hPa
New Haven, Tweed-New Haven Airport, CT19 mi71 minN 11 G 1810.00 miA Few Clouds52°F33°F49%1017.1 hPa

Wind History from HWV (wind in knots)
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Last 24hr5Calm43N335544N4N5N9N8N6N11
G18
N9N7N4N10N13
G20
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G24
N8
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NW13
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1 day agoSW8SW6N8N7CalmCalmCalmCalm4CalmCalmCalm43SE3353SE5SE66--SE45
2 days agoE9
G15
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G14
5E7
G15
55E7E733E5Calm334E7E5E635SE9S6S4SW5

Tide / Current Tables for Herod Point, Long Island Sound, New York
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Herod Point
Click for Map
Wed -- 12:21 AM EDT     7.13 feet High Tide
Wed -- 06:35 AM EDT     -0.99 feet Low Tide
Wed -- 06:39 AM EDT     Sunrise
Wed -- 07:49 AM EDT     Moonrise
Wed -- 12:48 PM EDT     6.77 feet High Tide
Wed -- 06:52 PM EDT     -0.67 feet Low Tide
Wed -- 07:13 PM EDT     Sunset
Wed -- 09:11 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.16.95.73.81.90.2-0.8-0.901.73.65.36.56.764.42.60.9-0.3-0.7-01.43.45.2

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Wed -- 02:01 AM EDT     -2.01 knots Max Ebb
Wed -- 05:27 AM EDT     0.00 knots Slack
Wed -- 06:38 AM EDT     Sunrise
Wed -- 07:47 AM EDT     Moonrise
Wed -- 07:55 AM EDT     1.75 knots Max Flood
Wed -- 11:05 AM EDT     -0.00 knots Slack
Wed -- 02:20 PM EDT     -1.94 knots Max Ebb
Wed -- 05:37 PM EDT     0.00 knots Slack
Wed -- 07:12 PM EDT     Sunset
Wed -- 08:18 PM EDT     1.92 knots Max Flood
Wed -- 09:10 PM EDT     Moonset
Wed -- 11:34 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.2-1.8-2-1.7-1.1-0.40.51.41.71.510.1-0.9-1.6-1.9-1.8-1.2-0.50.31.31.91.81.40.6

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 (13,3,4,5)
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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.