Friday, May26, 2017 L-36.com


Marine Weather and Tides
West Hampton Dunes, NY

Version 3.4
What's New / NOTES
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 5:22AMSunset 8:14PM Friday May 26, 2017 4:52 PM EDT (20:52 UTC) Moonrise 6:24AMMoonset 9:12PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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- 338 Pm Edt Fri May 26 2017
Tonight..NW winds 5 to 10 kt. Waves 1 ft or less. Isolated showers early this evening.
Sat..N winds 5 to 10 kt...becoming sw in the afternoon. Waves 1 ft or less.
Sat night..S winds around 5 kt. Waves 1 ft or less.
Sun..SE winds 5 to 10 kt. Waves 1 ft or less.
Sun night..SE winds 5 to 10 kt. Waves 1 ft or less. Chance of showers after midnight.
Mon..SE winds 10 to 15 kt...diminishing to 5 to 10 kt in the afternoon. Waves 1 ft or less. Chance of showers. Chance of tstms in the afternoon.
Mon night..E winds 5 to 10 kt...becoming ne after midnight. Waves 1 ft or less. Chance of tstms in the evening. Chance of showers.
Tue..E winds around 5 kt...becoming sw. Waves 1 ft or less...then around 2 ft.
Wed..W winds 5 to 10 kt. Waves 1 ft or less...then around 2 ft in the afternoon and evening, then 1 ft or less after midnight. Winds and waves higher in and near tstms.
ANZ300 338 Pm Edt Fri May 26 2017
Synopsis for long island waters and new york harbor.. Low pressure departs the new england coast tonight as weak high pressure settles over the waters. A weak wave of low pressure passes to the south Saturday into Saturday night. A series of weak lows or troughs of low pressure move through the area Sunday through Wednesday.

7 Day Forecast for Marine Location Near West Hampton Dunes, NY
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location: 40.78, -72.69     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 262022
afdokx
area forecast discussion
national weather service new york ny
422 pm edt Fri may 26 2017

Synopsis
Low pressure departs the new england coast tonight as weak high
pressure settles over the region. A weak wave of low pressure
passes to the south Saturday into Saturday night. A series a weak
waves of low pressure or troughs will move through the northeast
Sunday through Thursday. A cold front is expected to move
through the region Friday.

Near term until 6 am Saturday morning
Weak instability and heating within deep cyclonic flow has developed
a few isolated showers this afternoon. Coverage looks to remain
isolated. With loss of heating this evening and now real defined
source for lift, any showers will dissipate.

Heights aloft will continue to rise tonight as low pressure
continues to depart the new england coast. Clouds will dissipate
somewhat, but there is enough low level moisture for at least partly
cloudy skies overnight.

Lows will range from the lower 50s inland to the middle and upper
50s near the coast.

There is a high risk of rip currents into this evening.

Short term 6 am Saturday morning through Saturday night
Main concern for Saturday is with a convectively induced shortwave
that is currently located over the upper mississippi river valley.

Models have not been handling this energy very well as depicted with
dprog dt at h5. However, it appears they are beginning to handle
this feature better with just some timing differences overall. The
shortwave is forecast to quickly traverse through the ohio valley
tonight and then towards the region on Saturday. Prefer to follow a
blend of the nam, 3-km NAM and ecmwf, which brings the shortwave
offshore late afternoon and early evening. The gfs, gefs, and cmc
are a bit slower and do not bring it offshore until overnight
Saturday. Have elected to go with slight chance pops, mainly
for the western half of the area, as better lift and moisture
appears to pass to the south of the region.

Otherwise, mostly cloudy skies are expected with high temperatures
around 70 in nyc and middle and upper 60s elsewhere.

Clouds gradually decrease Saturday night as ridging builds aloft.

Lows will be near normal.

Long term Sunday through Friday
With a delay in the timing of the northern stream longwave
trough and the shortwave rotating through the base of the trough
have delayed the probabilities of showers until late in the day
Sunday; and mainly across the far west and southwest zones.

Aloft, an upper ridge axis will still be west of the region at
12z Sunday with heights rising until the afternoon. At the
surface a weak high will be moving off the coast. Then as the
shortwave moves into the region probabilities increase Sunday
night into Monday. At the surface the will be weak forcing as a
weak cold front moves into the region. A thermal ridge also
moves into the area Monday afternoon. Monday may be one of the
warmer days of next week. With weak surface based instability,
and increasing aloft along with increasing CAPE will have
thunderstorms Monday afternoon into the evening. There is still
some uncertainty with the timing of the upper trough and
shortwave for Sunday and Monday.

The closed upper low and longwave trough will be slow to move
east through the week as a series of shortwaves rotate through
the trough, while at the surface weak lows, or troughs move
through the area. There remains a lot of uncertainty with the
timing and placement of the systems through the upcoming week.

And, there will be a prolonged period of unsettled weather. Will
carry slight chance to low chance probabilities through the
week, although there may be periods of dry weather.

Aviation 20z Friday through Wednesday
Low pres will track SE of nova scotia tonight... And then out to
sea Saturday.

Vfr. Isolated showers into early evening with possible brief
MVFR and gusts to 30 kt.

Gusty W wnw winds to 25 kt into early evening push... Diminishing
into tonight. Light NW winds for Sat morning push. S se
seabreeze development Sat 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 22 mi53 min W 14 G 18 71°F 64°F57°F
44039 - Central Long Island Sound 25 mi98 min SSW 5.8 G 5.8 59°F 1 ft56°F
44017 - 23 Nautical Miles Southwest of Montauk Point, NY 35 mi63 min 56°F 55°F7 ft1003.2 hPa (+0.6)56°F
NWHC3 - 8465705 - New Haven, CT 37 mi53 min SSW 8.9 G 12 62°F 59°F1002.3 hPa (+0.3)
BRHC3 - 8467150 - Bridgeport, CT 38 mi53 min WNW 6 G 16 1001.2 hPa (+0.3)
MTKN6 - 8510560 - Montauk, NY 43 mi53 min 62°F 54°F1002.7 hPa (+0.6)
44025 - LONG ISLAND 33 NM South of Islip, NY 44 mi63 min WSW 9.7 G 12 61°F 56°F5 ft1002.7 hPa (+0.4)
LDLC3 - New London Ledge CT - Ledge Light Weather 49 mi38 min W 5.1 G 6 60°F 1002.1 hPa55°F
44040 - Western Long Island Sound 49 mi68 min W 14 G 19 68°F 1 ft55°F

Wind History for New Haven, CT
(wind in knots)    EDIT      (on/off)   Help
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E4
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SE7
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G16
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SW6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Gabreski Airport, NY5 mi60 minSSW 510.00 miOvercast65°F59°F81%1003 hPa
Shirley, Brookhaven Airport, NY9 mi1.9 hrsS 510.00 miMostly Cloudy70°F61°F73%1002.1 hPa
Islip, Long Island Mac Arthur Airport, NY22 mi1.9 hrsWNW 17 G 2110.00 miMostly Cloudy76°F55°F50%1001.6 hPa

Wind History from FOK (wind in knots)
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Last 24hrE10
G19
E10E10
G16
E8NE7E6E9E9NE7E5E5NE7N7N8NW8NW8NW11NW11W9W10W12SW5SW6
G16
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1 day agoE3E9E8
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2 days ago--SW3S4SW3CalmCalmCalmCalmN5E3NE3CalmE3NE6CalmNE5NE7NE7NE11NE8NE14NE13
G16
E9SE8

Tide / Current Tables for Moriches Coast Guard Station, Long Island, New York
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Moriches Coast Guard Station
Click for Map
Fri -- 03:51 AM EDT     -0.48 feet Low Tide
Fri -- 05:24 AM EDT     Sunrise
Fri -- 06:24 AM EDT     Moonrise
Fri -- 08:36 AM EDT     2.58 feet High Tide
Fri -- 03:54 PM EDT     -0.38 feet Low Tide
Fri -- 08:11 PM EDT     Sunset
Fri -- 08:53 PM EDT     3.06 feet High Tide
Fri -- 09:11 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.20.60-0.4-0.5-00.91.92.52.62.31.81.20.60.1-0.3-0.40.112.12.83.12.92.4

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Fri -- 01:18 AM EDT     -2.13 knots Max Ebb
Fri -- 04:52 AM EDT     0.00 knots Slack
Fri -- 05:23 AM EDT     Sunrise
Fri -- 06:23 AM EDT     Moonrise
Fri -- 07:13 AM EDT     1.67 knots Max Flood
Fri -- 10:16 AM EDT     -0.00 knots Slack
Fri -- 01:32 PM EDT     -1.93 knots Max Ebb
Fri -- 04:47 PM EDT     0.00 knots Slack
Fri -- 07:33 PM EDT     2.14 knots Max Flood
Fri -- 08:11 PM EDT     Sunset
Fri -- 09:10 PM EDT     Moonset
Fri -- 10:53 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.7-2.1-2-1.5-0.80.11.21.71.51.10.3-0.7-1.5-1.9-1.9-1.4-0.70.21.322.11.71-0.1

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 (16,3,4,5)
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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.