Thursday, August24, 2017 L-36.com


Marine Weather and Tides
Lloyd Harbor, 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 6:12AMSunset 7:39PM Thursday August 24, 2017 6:25 AM EDT (10:25 UTC) Moonrise 9:11AMMoonset 9:29PM 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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ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 336 Am Edt Thu Aug 24 2017
Today..N winds 5 to 10 kt, becoming W this afternoon. Seas 1 ft or less.
Tonight..N winds 5 to 10 kt. Seas 1 ft or less.
Fri..NW winds 5 to 10 kt. Seas 1 ft or less.
Fri night..N winds 5 to 10 kt. Seas 1 ft or less.
Sat..NE winds 5 to 10 kt. Seas 1 ft or less.
Sat night..NE winds around 5 kt. Seas 1 ft or less.
Sun..NE winds around 5 kt. Seas 1 ft or less.
Sun night..E winds around 5 kt. Seas 1 ft or less.
Mon..E winds 5 to 10 kt. Seas 1 ft or less.
Mon night..E winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 336 Am Edt Thu Aug 24 2017
Synopsis for the long island waters and new york harbor.. Canadian high pressure builds over the waters through Sunday night, then slowly begins to retreat to the northeast on Monday.

7 Day Forecast for Marine Location Near Lloyd Harbor, NY
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location: 40.95, -73.49     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 240836
afdokx
area forecast discussion
national weather service new york ny
436 am edt Thu aug 24 2017

Synopsis
Canadian high pressure will build into the region through
Sunday night, then slowly retreat to the northeast through
Wednesday. Meanwhile, a frontal boundary remains stalled well
south of long island for the early to middle part of next week
with waves of low pressure riding along it.

Near term until 6 pm this evening
With canadian high pressure building into the region, clear skies
and light winds have resulted ideal radiational cooling conditions
early this morning with lows falling into the 50s across outlying
areas. Temperatures will rise quickly after sunrise, with afternoon
highs topping out around 80 across the region, which is near normal
for this time of year.

Short term 6 pm this evening through 6 pm Friday
A shortwave rounding the base of the upper trough will cross the
area tonight, resulting in an increase in cloud cover but
little if anything in the way of precipitation. The clouds will
also help limit radiational cooling, resulting in lows ranging
from the mid 50s across outlying areas to the mid 60s in the new
york city metro area.

Clouds will dissipate in the wake of the shortwave, resulting in
another mostly sunny day on Friday. With continued cold air
advection, highs on Friday will be a few degrees cooler than today,
generally in the mid to upper 70s.

Long term Friday night through Wednesday
A mean trough remains over the northeastern and mid-atlantic states
Friday night through Saturday night. While a stray shower with the
region near the base of the trough cannot be completely ruled out
during this time frame, it is far more likely that any given point
in the forecast area remains dry, so have gone with a dry forecast.

Lows Friday night should be 5-10 degrees below normal,
with normally cooler locations falling into the mid 40s to around
50 in response to decent radiational cooling. Highs Saturday should
be around 5 degrees below normal. Lows Saturday night should be a
few degrees warmer than those of Friday night, as passing of the low-
mid level trough axis should cause just enough mixing in the low
levels to limit the low level inversion depth.

Northern stream ridging builds in Sunday-Monday night keeping things
dry.

The forecast is somewhat uncertain Tuesday-Wednesday as there are
varying model solutions in the handling the interactions between
the aforementioned northern stream ridge, an approaching northern
stream shortwave trough coming in behind the ridge, and the remains
of tropical cyclone harvey over the lower mississippi valley. For
now it appears most likely that any coastal low that forms along a
frontal boundary stalled out near the gulf coast sates to off the se
coast will stay far enough south that we should remain dry. However,
it is not outside the realm of reasonable possibilities for the
coastal low to end up farther north than currently forecast. This
bears monitoring as time progresses.

Aviation 09z Thursday through Monday
A weak cold frontal passage will occur late today. High pres
will then build in thru sat.

Vfr thru the TAF period. Light nly flow will back to the SW ahead
of the front today, then veer again to the N in the eve. The
nly flow will continue thru 12z fri.

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
KPTN6 - 8516945 - Kings Point, NY 17 mi38 min NNE 4.1 G 5.1 70°F 74°F1012.4 hPa
BRHC3 - 8467150 - Bridgeport, CT 23 mi44 min NNW 5.1 G 8 62°F 75°F1012.1 hPa
44069 28 mi71 min N 3.9 G 3.9 71°F 78°F62°F
BATN6 - 8518750 - The Battery, NY 33 mi38 min 68°F 76°F1012.5 hPa
ROBN4 - 8530973 - Robins Reef, NJ 37 mi38 min N 4.1 G 5.1 1013.3 hPa
NWHC3 - 8465705 - New Haven, CT 38 mi38 min ENE 4.1 G 6 62°F 77°F1012.6 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 41 mi38 min 69°F 76°F1012.7 hPa
MHRN6 42 mi38 min N 8 G 8.9
44065 - Entrance to New York Harbor 42 mi36 min NW 7.8 G 9.7 72°F 74°F2 ft1012 hPa (+0.8)60°F
SDHN4 - 8531680 - Sandy Hook, NJ 43 mi38 min N 6 G 8.9 69°F 77°F1011.9 hPa

Wind History for Kings Point, NY
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
White Plains - Westchester County Airport, NY15 mi90 minNW 410.00 miFair61°F55°F81%1011.9 hPa
Farmingdale - Republic Airport, NY16 mi33 minN 010.00 miFair63°F57°F81%1012.6 hPa
Islip, Long Island Mac Arthur Airport, NY23 mi90 minN 010.00 miFair62°F60°F93%1011.9 hPa
New York, La Guardia Airport, NY24 mi35 minNNW 410.00 miA Few Clouds70°F55°F61%1012.4 hPa

Wind History from HPN (wind in knots)
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Last 24hrW7W11
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NW6NW11NW11NW10NW14
G17
NW10W12NW9NW8W8NW5CalmNW3NW4NW4NW3NW4NW3NW4NW4NW7
1 day agoCalmSE3SW5SW4S5S86S11
G16
S12S13
G19
S12S11
G18
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S1054
G16
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G16
5CalmSW54W5W7
2 days agoNW3W6W63664W5SW3S7S8S6S6S5S4S3CalmCalmCalmS3CalmCalm3Calm

Tide / Current Tables for Lloyd Harbor, Huntington Bay, Long Island, New York
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Lloyd Harbor
Click for Map
Thu -- 01:27 AM EDT     8.10 feet High Tide
Thu -- 06:12 AM EDT     Sunrise
Thu -- 07:53 AM EDT     -0.21 feet Low Tide
Thu -- 09:10 AM EDT     Moonrise
Thu -- 01:52 PM EDT     8.12 feet High Tide
Thu -- 07:38 PM EDT     Sunset
Thu -- 08:18 PM EDT     -0.03 feet Low Tide
Thu -- 09:29 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.987.96.95.23.31.50.2-0.20.52.14.26.27.78.17.464.12.30.800.31.53.4

Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Thu -- 02:06 AM EDT     -0.82 knots Max Ebb
Thu -- 05:15 AM EDT     0.00 knots Slack
Thu -- 06:14 AM EDT     Sunrise
Thu -- 08:13 AM EDT     1.09 knots Max Flood
Thu -- 09:11 AM EDT     Moonrise
Thu -- 11:15 AM EDT     -0.00 knots Slack
Thu -- 02:29 PM EDT     -0.83 knots Max Ebb
Thu -- 05:34 PM EDT     0.00 knots Slack
Thu -- 07:39 PM EDT     Sunset
Thu -- 08:38 PM EDT     1.10 knots Max Flood
Thu -- 09:30 PM EDT     Moonset
Thu -- 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
-0.3-0.6-0.8-0.7-0.3-00.20.71.10.90.40.1-0.2-0.5-0.8-0.8-0.5-0.10.10.4110.60.2

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 (6,6,7,8)
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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.