Friday, February22, 2019 L-36.com


Marine Weather and Tides
Stony Brook, 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 6:35AMSunset 5:36PM Friday February 22, 2019 8:13 AM EST (13:13 UTC) Moonrise 10:24PMMoonset 9:41AM Illumination 90% Phase: Waning Gibbous; Moon at 18 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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ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 600 Am Est Fri Feb 22 2019
Today..NW winds 5 to 10 kt. Seas 1 ft or less.
Tonight..N winds around 5 kt. Seas 1 ft or less.
Sat..E winds around 5 kt. Seas 1 ft or less.
Sat night..SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas 1 ft or less, then around 2 ft after midnight. Rain. Vsby 1 to 3 nm.
Sun..SE winds 10 to 15 kt, becoming sw in the afternoon. Seas around 2 ft. Rain, mainly in the morning with vsby 1 to 3 nm.
Sun night..W winds 20 to 25 kt with gusts up to 40 kt. Seas 2 to 4 ft.
Mon..W winds 20 to 25 kt with gusts up to 40 kt. Seas 2 to 4 ft.
Mon night..NW winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft.
Tue..NW winds 10 to 15 kt. Seas around 2 ft in the morning, then 1 ft or less.
Tue night..NW winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 600 Am Est Fri Feb 22 2019
Synopsis for the long island waters and new york harbor.. High pressure builds from the great lakes through Saturday, then shifts east of new england Saturday night. A frontal system associated with strong low pressure tracking through the great lakes and southeast canada will impact the waters Saturday night and Sunday. High pressure then begins to build back into the area for Monday and Tuesday.


7 Day Forecast for Marine Location Near Stony Brook, NY
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location: 40.92, -73.15     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 221202
afdokx
area forecast discussion
national weather service new york ny
702 am est Fri feb 22 2019

Synopsis
High pressure builds in through Saturday. A deep low passing several
hundred miles west then north of the region will nonetheless produce
unsettled weather across the area Saturday night and Sunday. A
relatively weak system may impact the area during the middle of next
week.

Near term through Saturday
Water vapor indicates a stream of moisture pumping directly into the
area from the subtropical pacific. Because of this, extensive cirrus
is expected thru sat. This cloud cover will be the main limiting
factor for temp drops tngt, with winds becoming lgt and vrb as a
1030s high builds in. A blend of the nbm and met mav was used
tngt, with the nbm otherwise used.

The 00z model suite suggests mainly a dry day on sat. As a result,
the timing of pcpn onset has been slowed in the fcst. Best chc for
rain before dark will be roughly south and west of a line from fire
island inlet to newburgh.

Short term Saturday night through Monday
Rain overspreads the entire area Sat ngt. With dewpoints starting
off in the 20s across the interior and a very weak sfc flow away
from the immediate coasts, some pockets of fzra are very possible
especially the NRN third of the cwa. The fzra has been included in
the fcst, and an advy would be needed if the event unfolds as
currently expected. Elsewhere, including nyc, all rain is expected
attm.

The rain tapers off on Sun from SW to ne. Temps approach 60 in nern
nj as the thermal ridge passes and a brief period of SW sfc flow
develops. The associated cdfnt will pass around the Sun eve time
period, kicking up winds and cooling temps down significantly. A
burst of advy lvl winds are possible behind the front, with the
windy wx continuing on mon. H85 winds around 55 kt in the GFS sun
eve.

Long term Monday night through Thursday
The 00z model data indicates that the long term will remain
generally fair and cool. The nbm with some adjustments was used for
temps. The GFS continues to indicate the passage of a sys around
wed. It looks to be a pacific canadian hybrid. The ECMWF is dry, but
the gem supports the gfs. Chance pops have been maintained in the
fcst, with mainly snow or rasn across the interior, and a better chc
to go over to all rain at the coast.

Aviation 12z Friday through Tuesday
High pressure builds from the great lakes through tonight
resulting inVFR conds.

Nw winds around 10 kt through 22z or so then diminish. Winds
will veer n-ne this evening and 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
BRHC3 - 8467150 - Bridgeport, CT 18 mi62 min N 1.9 G 2.9 1025 hPa
NWHC3 - 8465705 - New Haven, CT 28 mi56 min NNW 5.1 G 7 37°F 38°F1025.6 hPa
KPTN6 - 8516945 - Kings Point, NY 33 mi56 min N 11 G 15 38°F 33°F1026.8 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 46 mi84 min NW 16 G 19 40°F 40°F4 ft1024.9 hPa (+2.3)
44065 - Entrance to New York Harbor 48 mi44 min NW 14 G 18 40°F 40°F1026.1 hPa28°F
BATN6 - 8518750 - The Battery, NY 48 mi56 min 1025.9 hPa

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Islip, Long Island Mac Arthur Airport, NY9 mi18 minWNW 410.00 miOvercast38°F25°F60%1025.9 hPa
Shirley, Brookhaven Airport, NY17 mi18 minNW 310.00 miFair37°F24°F59%1026.1 hPa
Bridgeport, Sikorsky Memorial Airport, CT18 mi22 minNW 310.00 miFair38°F25°F60%1026 hPa
Farmingdale - Republic Airport, NY19 mi21 minWNW 410.00 miFair38°F21°F52%1026.1 hPa

Wind History from ISP (wind in knots)
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Last 24hrW9W10W15NW18
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NW14NW12W12W7W4W5NW4NW4CalmW6W6NW9NW8NW7NW6W6NW5NW4
1 day agoN5NE6CalmSE3S5SE3E5E7E6E5E4E6E8E7E7E8E8NE5N4N9N6NW7NW6W5
2 days agoNW10N10NW10NW10NW8NW10N11NW11NW7N3SW3CalmNW5CalmN5N6N6N3N6N6NE6NE6N6NE4

Tide / Current Tables for Stony Brook, Smithtown Bay, Long Island Sound, New York
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Stony Brook
Click for Map
Fri -- 12:58 AM EST     6.91 feet High Tide
Fri -- 06:37 AM EST     Sunrise
Fri -- 07:19 AM EST     -1.12 feet Low Tide
Fri -- 08:40 AM EST     Moonset
Fri -- 01:24 PM EST     6.75 feet High Tide
Fri -- 05:35 PM EST     Sunset
Fri -- 07:43 PM EST     -0.96 feet Low Tide
Fri -- 09:24 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.46.96.44.93.11.3-0.3-1.1-0.90.32.24.15.76.76.65.53.92.10.4-0.7-0.9-0.11.53.4

Tide / Current Tables for Mount Sinai Harbor, Long Island Sound, New York
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Mount Sinai Harbor
Click for Map
Fri -- 12:55 AM EST     6.84 feet High Tide
Fri -- 06:37 AM EST     Sunrise
Fri -- 07:27 AM EST     -1.10 feet Low Tide
Fri -- 08:39 AM EST     Moonset
Fri -- 01:21 PM EST     6.67 feet High Tide
Fri -- 05:34 PM EST     Sunset
Fri -- 07:51 PM EST     -0.94 feet Low Tide
Fri -- 09:24 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.36.86.34.93.21.4-0.1-1-0.90.2245.76.66.55.43.92.10.5-0.6-0.9-0.21.43.3

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (8,2,3,4)
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Ground Weather Radar Station Upton, NY
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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.