Thursday, August17, 2017 L-36.com


Marine Weather and Tides
Massapequa, 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 6:05AMSunset 7:49PM Thursday August 17, 2017 9:11 PM EDT (01:11 UTC) Moonrise 1:37AMMoonset 4:28PM Illumination 19% Phase: Waning Crescent; Moon at 25 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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ANZ355 Sandy Hook Nj To Fire Island Inlet Ny Out 20 Nm- 719 Pm Edt Thu Aug 17 2017
Tonight..S winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers after midnight.
Fri..S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Showers likely with chance of tstms.
Fri night..S winds 15 to 20 kt with gusts up to 25 kt, becoming sw 10 to 15 kt after midnight. Seas 3 to 4 ft. Showers and tstms likely, mainly in the evening.
Sat..SW winds 5 to 10 kt. Seas 2 to 4 ft.
Sat night..W winds 5 to 10 kt. Seas 2 to 3 ft.
Sun..NW winds 5 to 10 kt, becoming sw with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Sun night..SW winds 5 to 10 kt with gusts up to 20 kt, becoming nw after midnight. Seas around 2 ft.
Mon..NW winds around 5 kt, becoming sw in the afternoon. Seas 2 to 3 ft.
Mon night..SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
Tue..SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft.
Tue night..SW winds 10 to 15 kt. Seas 2 to 4 ft. Chance of showers and tstms. Winds and seas higher in and near tstms.
ANZ300 719 Pm Edt Thu Aug 17 2017
Synopsis for the long island waters and new york harbor.. A warm front moves north across the area waters tonight and into Friday morning. A cold front approaches from the west Friday and moves across the waters Saturday. High pressure returns on Sunday and Monday. Another cold front will approach on Tuesday.

7 Day Forecast for Marine Location Near Massapequa, NY
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location: 40.67, -73.47     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 180049
afdokx
area forecast discussion
national weather service new york ny
849 pm edt Thu aug 17 2017

Synopsis
A warm front will approach tonight and move north through Friday
morning. A cold front approaches Friday, moving across the
region late Friday night. A frontal system will slowly pass
offshore on Saturday. High pressure will then build in through
the beginning of next week, followed by a midweek cold frontal
passage.

Near term until 6 am Friday morning
Primary update this evening was to lower precipitation chances
through much of tonight based on current observational and hi-
resolution model trends. Best chance of any rainfall looks to be
right around rush hour in the morning as the warm front passes
northward. Previous discussion follows.

An area of low pressure will track east across the northern
great lakes tonight. A warm front associated with the system is
expected to approach this evening and lift north through the
local area overnight and into Friday morning. Showers and
possible thunderstorms will spread across the area overnight and
into Friday morning. Temperatures tonight will be in the upper
60s to lower 70s.

There is a moderate risk for the development of rip currents at
the ocean beaches today.

Short term 6 am Friday morning through Friday night
As a warm front moves north a strong southerly flow will usher
in behind, bringing an influx of moisture across the area.

Dewpoint will rise back into the 70s across the region along
with instability resulting in thunderstorms and heavy rain to
develop. There may be a break in the precipitation for a brief
time once the warm front lifts north, and until the cold front
nears later in the day. Storms will weaken and move into long
island and southern connecticut by Friday night.

Temperatures on Friday will be in the upper 70s to lower 80s
with lows in the upper 60s to lower 70s.

Long term Saturday through Thursday
The frontal boundary sfc trof will slowly slide offshore on sat.

Trends will need to be monitored for a slowing of this feature, as
the main upr trof which will force it ewd is still progged to be
over oh at 18z sat. The slower the boundary exits, the slower shwrs
and especially clouds will exit. Based on the 12z data, areas along
and W of the hudson dry, with the rest of the area low chances for
pcpn. Dry weather Sat ngt thru Mon ngt with high pres progged to
move in.

12z GFS timeheights indicate sunny skies on Mon with perhaps some
fair wx cu, particularly along the sea breeze front.

Chances for shwrs and tstms Tue thru Wed ahead of a cold frontal
passage. Best chances are Wed closest to the front attm, so as the
event draws closer pops may be eliminated for tue.

A blend of the guidance and 2m data was used for temps thru the
period. The numbers will generally be abv average until the fropa
next week.

Aviation 23z Thursday through Tuesday
A warm front approaches from the southwest tonight. A cold front
will approach from late Friday.

Vfr early tonight before deteriorating conditions late tonight into
Friday. There is uncertainty with improving conds in the warm
sector after the warm fropa, may be too optimistic in the nyc
metro.

Friday will be very unsettled with the threat of showers and
scattered thunderstorms in the morning and then again with the
approaching cold front late in the afternoon. Gusty winds and
MVFR ifr are possible with any heavier shower or thunderstorm.

Light southerly winds overnight before increasing again 10 to
15 kt Friday. Gusts to 25 kt possible Friday afternoon across
much the region but especially along the coast.

Higher gusts possible with any thunderstorm.

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
KPTN6 - 8516945 - Kings Point, NY 18 mi42 min S 7 G 9.9 74°F 74°F1015.2 hPa
44069 20 mi42 min SSE 7.8 G 9.7 73°F 79°F70°F
44065 - Entrance to New York Harbor 24 mi82 min SE 9.7 G 12 74°F 75°F2 ft1014.8 hPa (-0.4)72°F
BATN6 - 8518750 - The Battery, NY 29 mi42 min 74°F 74°F1015 hPa
ROBN4 - 8530973 - Robins Reef, NJ 32 mi42 min SSE 13 G 16 1015.6 hPa
SDHN4 - 8531680 - Sandy Hook, NJ 32 mi42 min SE 7 G 9.9 74°F 77°F1014.5 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 33 mi82 min SSE 7.8 G 9.7 74°F 75°F2 ft1015.7 hPa (-0.3)72°F
BGNN4 - 8519483 - Bergen Point West Reach, NJ 36 mi42 min 74°F 76°F1015.1 hPa
MHRN6 37 mi42 min SE 6 G 9.9
BRHC3 - 8467150 - Bridgeport, CT 38 mi42 min S 6 G 8 74°F 75°F1015.1 hPa

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY5 mi19 minSSE 510.00 miMostly Cloudy73°F68°F84%1015.7 hPa
New York, Kennedy International Airport, NY16 mi21 minESE 710.00 miMostly Cloudy74°F72°F94%1015.5 hPa
Islip, Long Island Mac Arthur Airport, NY22 mi16 minS 710.00 miPartly Cloudy72°F66°F84%1015.7 hPa
New York, La Guardia Airport, NY23 mi21 minSE 610.00 miMostly Cloudy75°F69°F82%1015.1 hPa

Wind History from FRG (wind in knots)
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Last 24hrSW5SW3CalmNE3NE6N6N4N6N6NE5NE3E63SE5S8SE9S7S8S9S9S7S7S7SE5
1 day agoCalmCalmCalmCalmW3W4W3W5NW3NW5N5N8N6N566N11
G17
N8N9N8N8N5NE3SW7
2 days agoS5S4S4SW4S4SW5CalmNW3NE4NE3CalmCalmSE6SE7SE8S8SE5S7S6S6S4S4S6SE5

Tide / Current Tables for Biltmore Shores, South Oyster Bay, Long Island, New York
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Biltmore Shores
Click for Map
Thu -- 01:00 AM EDT     0.15 feet Low Tide
Thu -- 01:37 AM EDT     Moonrise
Thu -- 06:06 AM EDT     Sunrise
Thu -- 06:11 AM EDT     1.40 feet High Tide
Thu -- 01:02 PM EDT     0.08 feet Low Tide
Thu -- 04:28 PM EDT     Moonset
Thu -- 06:40 PM EDT     1.68 feet High Tide
Thu -- 07:48 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.10.30.611.31.41.41.10.90.60.30.20.10.20.611.41.61.71.51.310.7

Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Thu -- 01:38 AM EDT     Moonrise
Thu -- 02:16 AM EDT     1.00 knots Max Flood
Thu -- 05:05 AM EDT     -0.00 knots Slack
Thu -- 06:07 AM EDT     Sunrise
Thu -- 08:31 AM EDT     -0.71 knots Max Ebb
Thu -- 11:21 AM EDT     0.00 knots Slack
Thu -- 02:42 PM EDT     0.99 knots Max Flood
Thu -- 04:29 PM EDT     Moonset
Thu -- 05:33 PM EDT     -0.00 knots Slack
Thu -- 07:50 PM EDT     Sunset
Thu -- 08:58 PM EDT     -0.74 knots Max Ebb
Thu -- 11:55 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.610.80.30-0.2-0.5-0.7-0.7-0.4-0.10.10.40.810.60.1-0.1-0.3-0.6-0.7-0.6-0.2

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 (21,6,7,8)
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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.