Friday, September22, 2017 L-36.com


Marine Weather and Tides
Westhampton Beach, 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 6:38AMSunset 6:48PM Friday September 22, 2017 8:07 PM EDT (00:07 UTC) Moonrise 8:55AMMoonset 8:25PM Illumination 6% 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- 748 Pm Edt Fri Sep 22 2017
Tonight..N winds around 15 kt with occasional gusts up to 25 kt. Waves 2 to 3 ft. Isolated showers early this evening.
Sat..N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Sat night..NE winds around 5 kt, becoming N after midnight. Waves around 2 ft.
Sun..NE winds around 5 kt, becoming se in the afternoon. Waves around 2 ft.
Sun night..SW winds around 5 kt, becoming nw after midnight. Waves around 2 ft.
Mon..E winds 5 to 10 kt. Waves around 2 ft in the morning, then 1 ft or less.
Mon night..E winds around 10 kt, becoming ne after midnight. Waves 1 ft or less.
Tue..NE winds 5 to 10 kt. Waves 1 ft or less.
Tue night..NE winds around 10 kt. Waves 1 ft or less.
Wed..NE winds around 10 kt. Waves 1 ft or less.
Wed night..NE winds 5 to 10 kt. Waves 1 ft or less.
ANZ300 748 Pm Edt Fri Sep 22 2017
Synopsis for the long island waters and new york harbor.. Post tropical cyclone jose will meander and weaken to the southeast of long island through Sunday,as high pressure remains centered over the eastern great lakes, and extends into the northeast, into the beginning of next week. Meanwhile, hurricane maria tracks offshore of the east coast. A cold front passes through the region Wednesday night into Thursday. Please refer to national hurricane center products for more details on maria.

7 Day Forecast for Marine Location Near Westhampton Beach, NY
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location: 40.8, -72.65     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 222334
afdokx
area forecast discussion
national weather service new york ny
734 pm edt Fri sep 22 2017

Synopsis
Post tropical cyclone jose will meander and weaken to the southeast
of long island through Saturday night as high pressure remains
centered over the eastern great lakes, and extends into the
northeast, into the beginning of next week. Meanwhile,
hurricane maria tracks well offshore of the east coast. A cold
front passes through the region Wednesday night into Thursday.

High pressure builds to the northwest next Friday. Please refer
to national hurricane center products for more details on jose
and maria.

Near term until 6 am Saturday morning
Upper levels still exhibit the persistent pattern of a strong
high amplitude ridge across the eastern us. Upper jet remains
displaced well north into interior SE canada.

For tonight, the weakening post tropical cyclone jose will keep
clouds and some occasional light showers across parts of long
island and southeast connecticut. Otherwise, mainly dry
conditions are expected. Northerly winds will still be gusty at
times through the evening and just remain gusty at the coast
late tonight.

A combination of mav met nam12 gmos was used for min
temperatures tonight. Lowered an extra degree for far western
parts of the region, interior northeast nj and western parts of
lower hudson valley and increased an extra degree for eastern
long island and southeast connecticut. Looking at a range from
the upper 50s to upper 60s.

Short term 6 am Saturday morning through Saturday night
Upper levels still exhibit the persistent pattern of a strong
high amplitude ridge across the eastern us Saturday and Saturday
night. Upper jet remains displaced well north into interior se
canada.

For Saturday, high pressure will approach closer to the region
and along with it, bring an increase in subsidence. Jose is
forecast to further weaken.

A dry day is forecast with more Sun as clouds will be less than
the prior day. The pressure gradient will further decrease
across the area. Northerly winds will lower as a result.

The warmer mav was preferred for temperatures due to recent
better performance. A combination of mav and gmos was used for
max temperatures, yielding a range from the upper 70s to upper
80s.

For Saturday night, high pressure builds in a little more with
continued subsidence. Further weakening of jose will create an
even weaker pressure gradient with winds likewise diminishing.

Radiational cooling will result in lower minimum temperatures
Saturday night. Used relatively cooler met guidance for Saturday
night lows.

Long term Sunday through Friday
The longwave pattern will continue to be highly amplified with a
strong upper ridge over the eastern states, with a trough across the
western states, that will remain in place through the beginning of
next week with dry conditions and temperatures above seasonal
normals. There is a possibility of tying or breaking record highs
for Sunday. See the climate section for more information. Meanwhile,
hurricane maria will track slowly north, east of the eastern
seaboard, then northeast through most of the upcoming week as post
tropical jose remains southeast of CAPE cod and dissipates Sunday.

Refer to the latest advisories from the national hurricane center
for the latest forecast information on jose and maria.

The longwave pattern will transition mid to late next week as a
trough digs into the northern plains and great lakes region and then
moves east as the eastern ridge weakens. This will bring an end to
the above normal temperatures. A cold front is expected to cross the
area Wednesday night into Thursday. There is some uncertainty with
the timing of the digging trough and the cold front crossing the
area. However, there will be little moisture accompanying the front
and portions of the region may be brushed with the outer bands of
showers from maria late in the week. So, will have mainly slight
chance probabilities Wednesday night into Thursday.

Weak ridging begins to build to the west Thursday into next Friday.

Due to long period swells from both jose and maria, there will be a
prolonged period of rough surf at the ocean beaches, with the
likelihood of a high risk of rip currents.

Aviation 00z Saturday through Wednesday
Remnants of jose will meander and weaken off the southern new
england coast through Saturday.

Vfr expected tonight, except eastern terminals. Kgon should observe
MVFR CIGS most of the night, less than 2 kft. Kisp and kbdr need to
be watched. Few clouds Saturday all terminals.

N winds continue around 10 to perhaps 15 kt, with occasional gusts
tonight across nyc metro and eastern terminals. Strongest winds at
kgon with gusts well in the 20s.

N winds begin to lighten Saturday, especially by afternoon.

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
44069 24 mi83 min NNE 12 G 19 74°F 69°F60°F
44017 - 23 Nautical Miles Southwest of Montauk Point, NY 33 mi78 min 64°F 65°F8 ft1011.7 hPa (+0.0)62°F
NWHC3 - 8465705 - New Haven, CT 36 mi50 min NNE 14 G 19 74°F 72°F1013.8 hPa
BRHC3 - 8467150 - Bridgeport, CT 38 mi50 min NNE 7 G 11
MTKN6 - 8510560 - Montauk, NY 40 mi50 min 65°F 67°F1012.2 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 47 mi78 min NNE 9.7 G 12 70°F 67°F7 ft1012.6 hPa (+0.0)64°F
NLNC3 - 8461490 - New London, CT 49 mi50 min N 6 G 15 66°F 67°F1012.8 hPa

Wind History for New Haven, CT
(wind in knots)    EDIT      (on/off)   Help
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NE12
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Gabreski Airport, NY3 mi15 minN 18 G 2510.00 miOvercast and Breezy70°F57°F66%1013.7 hPa
Shirley, Brookhaven Airport, NY11 mi12 minN 8 G 1810.00 miOvercast74°F62°F67%1013.6 hPa
Islip, Long Island Mac Arthur Airport, NY24 mi12 minNNE 1410.00 miMostly Cloudy74°F59°F60%1013.5 hPa

Wind History from FOK (wind in knots)
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Last 24hrN16N16
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1 day agoN10
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N9N9N11N10N10N13
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2 days agoN16
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Tide / Current Tables for Potunk Point, Moriches Bay, Long Island, New York
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Potunk Point
Click for Map
Fri -- 01:07 AM EDT     0.61 feet High Tide
Fri -- 06:38 AM EDT     Sunrise
Fri -- 07:34 AM EDT     -0.03 feet Low Tide
Fri -- 08:55 AM EDT     Moonrise
Fri -- 01:36 PM EDT     0.62 feet High Tide
Fri -- 06:47 PM EDT     Sunset
Fri -- 07:56 PM EDT     -0.00 feet Low Tide
Fri -- 08:25 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.60.60.50.30.20.1-0-00.10.20.40.50.60.60.50.40.30.10-00.10.20.3

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Fri -- 02:16 AM EDT     -1.80 knots Max Ebb
Fri -- 05:41 AM EDT     0.00 knots Slack
Fri -- 06:37 AM EDT     Sunrise
Fri -- 08:15 AM EDT     1.65 knots Max Flood
Fri -- 08:54 AM EDT     Moonrise
Fri -- 11:27 AM EDT     -0.00 knots Slack
Fri -- 02:41 PM EDT     -1.80 knots Max Ebb
Fri -- 06:11 PM EDT     0.00 knots Slack
Fri -- 06:46 PM EDT     Sunset
Fri -- 08:24 PM EDT     Moonset
Fri -- 08:37 PM EDT     1.46 knots Max Flood
Fri -- 11:46 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.8-1.4-1.8-1.7-1.2-0.60.31.31.61.61.20.4-0.5-1.2-1.7-1.8-1.4-0.9-0.20.81.41.41.20.7

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 (20,4,5,8)
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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 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.