Tuesday, May21, 2019 L-36.com


Marine Weather and Tides
Brookhaven, NY

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 5:27AMSunset 8:08PM Tuesday May 21, 2019 2:56 PM EDT (18:56 UTC) Moonrise 11:01PMMoonset 7:43AM Illumination 92% Phase: Waning Gibbous; Moon at 17 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- 1232 Pm Edt Tue May 21 2019
This afternoon..NW winds 10 to 15 kt with occasional gusts up to 25 kt. Waves around 2 ft.
Tonight..NW winds 10 to 15 kt. Waves around 2 ft in the evening, then 1 ft or less.
Wed..NW winds 5 to 10 kt. Waves 1 ft or less.
Wed night..SW winds around 5 kt. Waves 1 ft or less.
Thu..S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves 1 ft or less.
Thu night..SW winds 10 to 15 kt. Waves 1 ft or less. Chance of showers.
Fri..NW winds 10 to 15 kt, becoming N in the afternoon. Waves 1 ft or less. Chance of showers in the morning.
Fri night..NE winds 10 to 15 kt. Waves 1 ft or less.
Sat..E winds around 10 kt, becoming S in the afternoon. Waves 1 ft or less.
Sat night..SW winds around 10 kt. Waves 1 ft or less. Chance of showers.
ANZ300 1232 Pm Edt Tue May 21 2019
Synopsis for the long island waters and new york harbor.. High pressure builds in from the west today, and over the waters on Wednesday. A quick moving frontal system will likely affect the waters late Thursday into Thursday night followed by high pressure on Friday. A warm front lifts through on Saturday, followed by a cold front Saturday night.


7 Day Forecast for Marine Location Near Brookhaven, NY
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location: 40.75, -72.88     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 211740
afdokx
area forecast discussion
national weather service new york ny
140 pm edt Tue may 21 2019

Synopsis
High pressure builds in through Wednesday. A frontal system
will move across the area Thursday night with high pressure
returning on Friday. A series of fronts move across the region
for the upcoming weekend.

Near term through tonight
Only minor adjustments needed to the forecast. In general, sunny
skies prevailing, save for a few wisps of cirrus moving across.

Gusts will continue to gradually subside through the afternoon
as high pressure builds towards the region today. High
temperatures will be a few degrees below climatological normals
owing to cold advection after the earlier frontal passage.

Main issue tngt is whether winds completely abate, allowing for
max radiational cooling. Interior valleys run the best chance
for this, with the city the lowest chance. The temp data has
been adjusted to this thinking, with lows falling into the 40s
in the outlying areas and in the 50s elsewhere.

Short term Wednesday
High pres builds over the area with fair weather. Winds will be
lighter, so a sea breeze is likely to develop. A slight warming
trend can be expected for all but the coastal areas, where the
sea breeze may keep highs right around 70 once again.

Long term Wednesday night through Monday
Upper pattern is in good agreement into the weekend across north
america, with not much difference compared to 24 hours ago.

The long term period begins (wed night) with strong ridging
centered over the southeast and extending up into quebec, with a
closed low over the northern plains and another over the
southwest us. The upper level ridging over the northeast and
southern canada will break down as it encounters a block over
the northern atlantic. Meanwhile, the closed low over the
northern plains will weaken as it tracks into ontario, canada
and moves east with its remnant energy riding the periphery of
the upper level ridge before diving through new england thu
night into Fri morning.

Deep layered ridging then returns across the northeast Fri with
the upper ridge axis shifting offshore on Sat with the upper
flow becoming zonal. A few shortwaves will travel through this
fast flow sending a series of fronts through the area over the
weekend. Models are still divergent on whether a stationary
front will park itself near or well south of the area into
early next week.

In terms of sensible weather, a warm front approaches Wed night
with WAA developing. However, it will be running into drier air
with high pres just offshore, so am not anticipating much in the
way of showers. Increasing chances for showers with isold tstms
thu night as low pres tracks through new england. Atmosphere
appears to be capped during the day thu, so have removed the
mention of tstms until Thu night. Dry and warm weather then
returns for Fri fri night with high pres building in. Low pres
passing well to the north on sat, will drag a warm front across
the area during the day, followed by a cold front Sat night.

This will result in an increase for showers mainly with the cold
frontal passage Sat night. This boundary may stall over the
area into early next week.

Temperatures be near to above normal levels through the period.

Aviation 17z Tuesday through Saturday
High pressure builds into the region.

Vfr with winds mainly north of 310 magnetic. Sustained winds mostly
around 15 kt with gusts around 25 kt. Winds and gusts diminish
early this evening, with the gusts ending 01z to 02z and winds
diminishing to 10 kt or less overnight.

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
44069 12 mi56 min WNW 12 G 23 64°F 64°F43°F
BRHC3 - 8467150 - Bridgeport, CT 33 mi44 min NNW 8.9 G 17 67°F 55°F1011.1 hPa
NWHC3 - 8465705 - New Haven, CT 37 mi38 min N 20 G 30 65°F 58°F1010.8 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 38 mi66 min WNW 14 G 18 59°F 55°F4 ft1013 hPa (+0.3)
44017 - 23 Nautical Miles Southwest of Montauk Point, NY 44 mi36 min WNW 16 G 18 58°F 54°F1011.5 hPa45°F
KPTN6 - 8516945 - Kings Point, NY 47 mi38 min N 15 G 20 64°F 59°F1013.9 hPa

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Shirley, Brookhaven Airport, NY5 mi2 hrsNW 12 G 2110.00 miFair66°F37°F36%1012.1 hPa
Islip, Long Island Mac Arthur Airport, NY12 mi2 hrsWNW 14 G 2210.00 miPartly Cloudy68°F39°F35%1012.3 hPa
The Gabreski Airport, NY15 mi63 minNW 20 G 2710.00 miFair and Breezy68°F36°F31%1011.9 hPa

Wind History from HWV (wind in knots)
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SW9W10SW7S5SW5SW3SW3N10
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SW9S9S5S7S9S8S9--SW8
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2 days agoSW11S10SW10S7SW10
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SW8S5S3S5SW4S45S7S7S7S6S8S11S8S9S13S15
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Tide / Current Tables for Mastic Beach, Moriches Bay, Long Island, New York
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Mastic Beach
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Tue -- 01:29 AM EDT     0.65 feet High Tide
Tue -- 05:29 AM EDT     Sunrise
Tue -- 07:42 AM EDT     Moonset
Tue -- 08:15 AM EDT     -0.03 feet Low Tide
Tue -- 02:00 PM EDT     0.52 feet High Tide
Tue -- 08:07 PM EDT     Sunset
Tue -- 08:17 PM EDT     0.03 feet Low Tide
Tue -- 11:00 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.60.60.60.40.30.20-000.10.30.40.50.50.50.40.30.20.100.10.20.3

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Tue -- 02:52 AM EDT     -1.85 knots Max Ebb
Tue -- 05:27 AM EDT     Sunrise
Tue -- 06:29 AM EDT     0.00 knots Slack
Tue -- 07:41 AM EDT     Moonset
Tue -- 08:52 AM EDT     1.27 knots Max Flood
Tue -- 11:53 AM EDT     -0.00 knots Slack
Tue -- 03:03 PM EDT     -1.55 knots Max Ebb
Tue -- 06:23 PM EDT     0.00 knots Slack
Tue -- 08:06 PM EDT     Sunset
Tue -- 09:04 PM EDT     1.60 knots Max Flood
Tue -- 10:59 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-1.1-1.7-1.8-1.6-1.1-0.40.51.11.31.10.7-0.1-0.8-1.3-1.6-1.3-0.9-0.30.51.31.61.51.1

Weather Map and Satellite Images
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wmap_A
GOES 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 (14,3,4,5)
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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.