Saturday, March23, 2019 L-36.com


Marine Weather and Tides
Niantic, CT

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 6:45AMSunset 7:04PM Saturday March 23, 2019 10:51 AM EDT (14:51 UTC) Moonrise 10:18PMMoonset 8:36AM Illumination 93% 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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ANZ330 Long Island Sound East Of New Haven Ct/port Jefferson Ny- 939 Am Edt Sat Mar 23 2019
.gale warning in effect until 6 pm edt this evening...
Today..NW winds 20 to 25 kt, diminishing to 15 to 20 kt late. Gusts up to 35 kt. Seas 3 to 5 ft.
Tonight..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
Sun..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft in the morning, then 1 ft or less.
Sun night..SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 1 ft or less.
Mon..W winds 5 to 10 kt, becoming N in the afternoon. Seas 1 ft or less. Chance of rain.
Mon night..N winds 10 to 15 kt. Seas 1 ft or less. Chance of rain in the evening.
Tue..N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 ft or less.
Tue night..N winds 5 to 10 kt. Seas 1 ft or less.
Wed..NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less.
Wed night..S winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 939 Am Edt Sat Mar 23 2019
Synopsis for the long island waters and new york harbor.. Low pressure tracks across the canadian maritimes today as high pressure builds to the west. The high moves to the south Sunday, followed by a cold front Monday. High pressure will build in during Tuesday and settle over the region Wednesday.


7 Day Forecast for Marine Location Near Niantic, CT
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location: 41.23, -72.24     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 231443
afdokx
area forecast discussion
national weather service new york ny
1043 am edt Sat mar 23 2019

Synopsis
Low pressure tracks across the canadian maritimes today as high
pressure builds to the west. The high moves to the south
Sunday, followed by a cold front Monday. High pressure will
build in during Tuesday and settle over the region Wednesday
through Friday.

Near term until 6 pm this evening
High pressure builds in while upper trough and moisture
continue to shift east today, ending any additional chances of
snow showers. Strong downsloping winds will help clear skies and
contribute to compressional heating. Highs should end up around
50 for the city and a good portion of long island and NE nj.

Other areas end up in mid to upper 40s for the most part. Winds
gradually subside through the day, but will still be gusting
35-40 mph during this morning.

Short term 6 pm this evening through Monday
As the upper low moves northeast, the upper flow will flatten
temporarily before heights lower as next trough dives across
eastern canada, sagging south across the northeast.

High pressure builds and passes south tonight, and a cold front
then approaches Sunday and Sunday night ahead of the trough. A
wave of low pressure over the midwest rides along the front,
but passes well to the south Monday, as does the front.

Dry and chilly conditions tonight are expected under clear skies
and lightening winds. Lows will range from the 20s to the middle
30s in and around nyc metro.

Temperatures rebound Sunday to above normal levels as the winds
back to the W SW and WAA commences. High clouds increase late in
the day then lower at night as the trough, cold front approach.

Lows at night will not be quite as chilly, ranging from the
lower 30s to the lower 40s nyc metro.

Looks like 00z model suite is a bit quicker with regard to any
rain that develops and moves in later Sunday night, Monday
morning. As the day progresses, the rain will shift to the
south with the front as high pressure builds from the north.

Temps will likely rise in the morning, then fall in the
afternoon behind the front, but much depends on timing.

Long term Monday night through Friday
As the upper level low across eastern canada and just east of hudson
bay lifts north a pattern change will get underway for the eastern
half of the conus. By 12z Wednesday the upper level confluence zone
supplying seasonably cold air during Tuesday will lift northeast as
ridging at the mid and upper levels will begin to work in. The chill
overall will ease on Wednesday, with the real height rises beginning
in earnest on Thursday. By Friday heights in excess of 570 dm is
forecast to make its way into the region. This is a time period
where many locations, especially inland away from the cold ocean
should get to around 60 for daytime highs, and possibly warmer
depending on the low level winds. There are some timing differences
among the global models with respect to a trailing cold front in
response to height falls over the upper midwest and great lakes. The
timing of the cold front arrival is in question for our area. The
front may not arrive until next weekend. Due to uncertainty with the
timing and speed of the cold front late next week have decided to go
with slight chance pops for Friday night. Until then high pressure
should keep the region primarily dry.

Aviation 15z Saturday through Wednesday
Deep low pressure tracks through the canadian maritimes and
gradually weakens later today into tonight.

Gusty wnw winds, just to the right of 310 magnetic, will
continue through the day. The highest winds and gusts will be
this morning and early afternoon, then diminish later in the
afternoon and this evening.

The wind gusts should eventually go away after 00z this
evening, and around 03 to 04z for the city terminals. A few
occasional gusts may continue after 04z.

Outlook for 12z Sunday through Wednesday
Sunday Vfr.

Monday MVFR possible with light rain, with a cold frontal
passage.

Tuesday and Wednesday Vfr.

Marine
Gales remain in effect today, but may fall below 35 kt criteria
by later this afternoon. Rough seas continue today.

High pressure builds to the south tonight allowing winds to
lighten. These winds will back to the west southwest by Sunday
as the high moves south. A cold front then approaches late
Sunday night, passing through Monday morning.

A pressure gradient will develop over the coastal waters with
high pressure building in and a cold front southeast of the
coastal waters by late Monday. Therefore marginal SCA conditions
will briefly return to the ocean waters for Monday night into
Tuesday morning. As high pressure approaches and begins to
settle over the coastal waters by late Tuesday into Wednesday
sub SCA conditions will prevail across the coastal waters. The
high will settle over the waters on Wednesday with tranquil
conditions expected.

Hydrology
Any precipitation on Monday should be light, otherwise mainly dry
conditions are expected through the period.

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

Okx watches warnings advisories
Ct... None.

Ny... None.

Nj... None.

Marine... Gale warning until 6 pm edt this evening for anz330-335-338-
340-345-350-353-355.

Synopsis... Je pw
near term... Jc pw
short term... Pw
long term... Je
aviation... Bc je
marine... Je pw
hydrology... Je pw
equipment...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LDLC3 - New London Ledge CT - Ledge Light Weather 10 mi26 min WNW 27 G 35 35°F 998.2 hPa22°F
NLNC3 - 8461490 - New London, CT 12 mi33 min 37°F 41°F1004.5 hPa
MTKN6 - 8510560 - Montauk, NY 19 mi33 min 35°F 40°F1004.8 hPa
NWHC3 - 8465705 - New Haven, CT 36 mi33 min 36°F 42°F1006.8 hPa
44017 - 23 Nautical Miles Southwest of Montauk Point, NY 38 mi61 min W 25 G 31 37°F 41°F8 ft1004.8 hPa (+4.4)26°F

Wind History for New London, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Groton / New London, Groton / New London Airport, CT12 mi1.9 hrsNW 17 G 2610.00 miOvercast34°F23°F64%1002.9 hPa
Chester, Chester Airport, CT18 mi56 minWNW 16 G 259.00 miA Few Clouds34°F21°F60%1004.4 hPa
Montauk, Montauk Airport, NY20 mi57 minWNW 16 G 29 mi37°F23°F57%1004.5 hPa

Wind History from GON (wind in knots)
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1 day agoE11E12
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2 days agoS5S8S12S13S12S11S12S12S12S9S8S8S7S9SE9SE8SE9SE7E6E9E10E11E11E11

Tide / Current Tables for Plum Gut Harbor, Plum Island, Long Island Sound, New York
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Plum Gut Harbor
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Sat -- 12:02 AM EDT     3.39 feet High Tide
Sat -- 06:25 AM EDT     -0.49 feet Low Tide
Sat -- 06:47 AM EDT     Sunrise
Sat -- 08:35 AM EDT     Moonset
Sat -- 12:32 PM EDT     2.90 feet High Tide
Sat -- 06:39 PM EDT     -0.24 feet Low Tide
Sat -- 07:04 PM EDT     Sunset
Sat -- 10:18 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.43.22.51.70.90.1-0.4-0.40.211.82.52.82.82.41.81.10.4-0.1-0.20.21.11.92.7

Tide / Current Tables for The Race, Long Island Sound, New York Current (2) (expired 1993-12-31)
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The Race
Click for Map
Sat -- 01:47 AM EDT     -0.00 knots Slack
Sat -- 05:10 AM EDT     -4.74 knots Max Ebb
Sat -- 06:46 AM EDT     Sunrise
Sat -- 08:24 AM EDT     0.01 knots Slack
Sat -- 08:34 AM EDT     Moonset
Sat -- 11:10 AM EDT     3.98 knots Max Flood
Sat -- 02:15 PM EDT     -0.01 knots Slack
Sat -- 05:34 PM EDT     -4.28 knots Max Ebb
Sat -- 07:03 PM EDT     Sunset
Sat -- 08:41 PM EDT     0.00 knots Slack
Sat -- 10:17 PM EDT     Moonrise
Sat -- 11:30 PM EDT     3.93 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.51.8-0.5-2.6-4-4.7-4.3-2.8-0.81.33.243.72.50.6-1.6-3.1-4.1-4.2-3.1-1.30.62.63.8

Weather Map and Satellite Images
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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 (10,2,3,4)
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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.