Saturday, September21, 2019 L-36.com


Marine Weather and Tides
Port Jefferson, NY

Version 3.4
NOTICE
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:37AMSunset 6:53PM Saturday September 21, 2019 8:42 PM EDT (00:42 UTC) Moonrise 11:24PMMoonset 1:44PM Illumination 46% Phase: Third Quarter Moon; Moon at 23 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- 434 Pm Edt Sat Sep 21 2019
Tonight..SW winds around 5 kt. Seas 1 ft or less.
Sun..SW winds 5 to 10 kt. Seas 1 ft or less.
Sun night..SW winds around 10 kt. Seas 1 ft or less.
Mon..SW winds 10 to 15 kt. Seas 1 to 2 ft. Chance of showers in the afternoon.
Mon night..SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 1 to 2 ft in the evening, then 1 ft or less. Showers and tstms likely in the evening. Vsby 1 to 3 nm.
Tue..W winds around 10 kt. Seas around 1 ft.
Tue night..NW winds 5 to 10 kt. Seas 1 ft or less.
Wed..W winds 5 to 10 kt. Seas 1 ft or less.
Wed night..SW winds around 5 kt. Seas 1 ft or less.
Thu..SW winds 10 to 15 kt. Seas 1 to 2 ft.
Thu night..NW winds 10 to 15 kt, diminishing to around 5 kt after midnight. Seas 1 to 2 ft in the evening, then 1 ft or less. Winds and seas higher in and near tstms.
ANZ300 434 Pm Edt Sat Sep 21 2019
Synopsis for the long island waters and new york harbor.. A large area of high pressure along the east coast will be slow to work east this weekend. A cold front will eventually approach on Monday and pass through Monday night, followed again by high pressure from Tuesday into Wednesday night. Another weak cold front will approach and pass through on Thursday. Meanwhile, swells from tropical storm jerry will also begin to arrive early next week. Please refer to national hurricane center products for further details on jerry.


7 Day Forecast for Marine Location Near Port Jefferson, NY
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location: 40.95, -73.06     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 212329
afdokx
area forecast discussion
national weather service new york ny
729 pm edt Sat sep 21 2019

Synopsis
A large area of high pressure along the east coast will be slow
to work east this weekend. A cold front will eventually approach
on Monday, and pass through Monday night, followed again by high
pressure from Tuesday into Wednesday night. Another weak cold
frontal passage on Thursday will usher in yet another large high
pressure system for Friday into next weekend.

Near term until 6 am Sunday morning
High pressure over the region starts to slowly move offshore
tonight. Mostly clear skies and light winds will allow temperatures
to fall into the 50s and lower 60s. Lows in the nyc metro area will
remain in the middle 60s. A mav met blend was in good agreement and
used.

A high rip current risk will continue at the ocean beaches into
this evening.

Short term 6 am Sunday morning through Sunday night
The upper ridge and surface high will continue to gradually move
offshore Sunday and Sunday night. Meanwhile, an upper level trough
will begin to approach the great lakes region.

As the high continues to move offshore, southwest flow will
gradually strengthen both Sunday and Sunday night. This southwest
flow will continue to keep unseasonably warm conditions across the
area on Sunday, as temperatures climb into the lower and middle 80s,
across most of the cwa. The only exception will be across the twin
forks of long island and eastern coastal connecticut, where highs
will remain in the upper 70s.

Dry conditions continue into Sunday night, with just some increase
in cloud cover late Sunday night into early Monday morning as trough
well off to the west slowly approaches the area. Lows Sunday night
will remain in the 60s.

There will be a moderate rip current risk at the ocean beaches
into this evening.

Long term Monday through Saturday
This time frame will start off with a northern stream closed
moving slowly across the northern tier of states. An associated
trailing cold front approach Mon afternoon and push through mon
night, with most of the associated precip late day Mon into mon
night. With an unseasonably warm air mass in place and dewpoints
well into the 60s, think there will be enough instability for
tstms with the frontal passage.

The front should clear the area by Tue morning, with high
pressure and dry conditions returning via mid level
confluence low level subsidence after passage of the front and
cutoff low to the north. A more significant northern stream
trough will push another cold front through on thu, with another
large sfc high pressure system building in for Saturday as
heights rise aloft across the eastern states.

Temps will be above normal through the period, especially on mon
and Thu ahead of the cold frontal passage, with highs both days
mostly in the lower mid 80s. The coolest night should be tue
night, with clear skies light winds allowing for widespread
40s inland for lows.

Aviation 00z Sunday through Thursday
High pressure remains centered off the carolina coast through
Sunday afternoon.

Vfr through the forecast period.

Winds in the nyc metro area become SW again, under 10 kt, early
this evening. At the outlying terminals winds become calm to
light and variable. Sunday winds again become southerly with sea
breezes most areas, and during the afternoon gusts to around 15
kt possible.

Outlook for 00z Monday through Thursday
Sunday night Vfr. Gusty southerly wind to around 15 kt in
the afternoon possible.

Monday MVFR possible. Chance of showers from late in the
afternoon through the night. There is a slight chance of
thunderstorms in the afternoon and early evening. SW gusts
15-20 kt into early evening.

Tuesday-Thursday Vfr. A slight chance of showers Thursday
afternoon.

Marine
Sub-sca conditions tonight as high pressure remains over the
area. As the high gradually slides offshore, s-sw winds will
gradually increase Sunday into Monday, with SCA conditions
expected to return to the ocean waters beginning late Sunday
night. An extended pd of SCA conds is then possible for the
ocean waters even as winds diminish on tue, especially out
east, as swells from TS jerry begin to arrive.

Hydrology
Rainfall Mon night could total over 1 2 inch across SE ct and
eastern long island. Otherwise, no significant hydrologic
impacts expected through next week.

Equipment
Nyc NOAA weather radio station kwo35 (162.55 mhz) remains off
the air.

Okx watches warnings advisories
Ct... None.

Ny... High rip current risk until 8 pm edt this evening for nyz075-
080-081-178-179.

Nj... None.

Marine... None.

Synopsis... Bc goodman
near term... Bc
short term... Bc
long term... Goodman
aviation...

marine... Bc goodman
hydrology... Bc goodman
equipment...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BRHC3 - 8467150 - Bridgeport, CT 17 mi60 min SSW 1.9 G 2.9 70°F1020.7 hPa
44069 17 mi72 min SSW 5.8 G 7.8 69°F 70°F66°F
NWHC3 - 8465705 - New Haven, CT 24 mi54 min S 2.9 G 4.1 71°F 70°F1020.6 hPa
KPTN6 - 8516945 - Kings Point, NY 39 mi60 min SSW 8 G 8.9 73°F 71°F1022 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 49 mi52 min SW 9.7 G 12 69°F 69°F4 ft1022 hPa (+0.3)

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Islip, Long Island Mac Arthur Airport, NY11 mi1.8 hrsSW 810.00 miA Few Clouds70°F60°F71%1021.2 hPa
Shirley, Brookhaven Airport, NY14 mi46 minSSW 410.00 miFair67°F62°F84%1022 hPa
Bridgeport, Sikorsky Memorial Airport, CT16 mi50 minSW 310.00 miFair73°F61°F66%1021.4 hPa
The Gabreski Airport, NY24 mi49 minS 310.00 miFair63°F60°F90%1022.4 hPa
Farmingdale - Republic Airport, NY24 mi49 minSW 410.00 miFair69°F61°F76%1021.8 hPa

Link to 5 minute data for KISP

Wind History from ISP (wind in knots)
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Last 24hrW4W3CalmCalm--SW4W3CalmSW4CalmCalmNW3NW6NW53N4CalmS9S75S7SW7SW8SW6
1 day agoSW4SW3CalmCalmCalmCalmW3W3CalmW3CalmW4W7NW7W8NW13
G19
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2 days agoNE3E5E5NE6NE6NE4NE4N4N5NE4N4N4NE7NE8N76--N6S5CalmS6N4S5S6

Tide / Current Tables for Cedar Beach, Long Island, New York
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Stratford Shoal, Long Island Sound, New York
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Stratford Shoal
Click for Map
Sat -- 04:23 AM EDT     6.20 feet High Tide
Sat -- 06:38 AM EDT     Sunrise
Sat -- 10:27 AM EDT     1.25 feet Low Tide
Sat -- 01:44 PM EDT     Moonset
Sat -- 04:44 PM EDT     6.93 feet High Tide
Sat -- 06:51 PM EDT     Sunset
Sat -- 10:43 PM EDT     Last Quarter
Sat -- 11:15 PM EDT     0.93 feet Low Tide
Sat -- 11:24 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.93.24.65.66.26.15.34.12.81.81.31.323.34.766.76.96.35.13.72.31.41

Weather Map
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GEOS Local Image of Northeast    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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Wind Forecast for New York City/Upton, NY (20,4,5,8)
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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.