Saturday, August15, 2020
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Marine Weather and Tides
Kings Park, NY

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
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.

Sunrise 6:02AMSunset 7:52PM Saturday August 15, 2020 4:28 AM EDT (08:28 UTC) Moonrise 2:02AMMoonset 5:37PM Illumination 13% Phase: Waning Crescent; Moon at 26 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- 335 Am Edt Sat Aug 15 2020
Today..E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
Tonight..NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft in the evening, then 1 ft or less. Chance of showers after midnight.
Sun..NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of showers.
Sun night..NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Chance of showers in the evening.
Mon..NE winds 5 to 10 kt. Seas 1 ft or less.
Mon night..SW winds around 5 kt. Seas 1 ft or less. Chance of showers.
Tue..W winds around 5 kt. Seas 1 ft or less.
Tue night..W winds around 5 kt, becoming N after midnight. Seas 1 ft or less.
Wed..NE winds around 5 kt, becoming S around 5 kt in the afternoon. Seas 1 ft or less.
Wed night..SW winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 335 Am Edt Sat Aug 15 2020
Synopsis for the long island waters and new york harbor.. Low pressure passes southeast of long island tonight as high pressure builds into new england through Saturday. The high retreats towards the canadian maritimes on Sunday as another low pressure approaches from the middle atlantic coast. This low passes offshore on Monday. A cold front follows Monday night into Tuesday with high pressure by Wednesday.


7 Day Forecast for Marine Location Near Kings Park, NY
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location: 40.9, -73.23     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 150805 AFDOKX

Area Forecast Discussion National Weather Service New York NY 405 AM EDT Sat Aug 15 2020

SYNOPSIS. Low pressure continues south and east of the area as high pressure continues to build over New England today, A low pressure approaches from the southwest on Sunday. A cold front follows Monday night into Tuesday with high pressure returning for the middle of the week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. High pressure anchored over eastern Canada results in ridging down the Appalachians for Saturday, as tropical storm Kyle heads well southeast of the area. A mid level shortwave approaches by the afternoon, and cloud cover will begin to increase from west to east. However, the day should remain mostly dry under east/northeast flow and subsidence, with seasonable temperatures and dewpoints in the low 60s.

There is a moderate risk of rip currents at the Atlantic Ocean facing beaches today.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SUNDAY/. A challenging forecast is setting up for Sunday with respect to rain chances for the area. The main players are a surface low that develops in association with a stalled frontal boundary south of the area with the aforementioned mid level shortwave, and the retreating high pressure system northeast of the area. The low progresses northeast Saturday night into early Sunday passing south of Long Island by Sunday evening. Light rain/drizzle will be possible in advance of the main system on Sunday morning from NYC on east as the column begins to saturate. With respect to the surface low, the latest model guidance has generally trended a bit further north with the track/placement of this feature, which would lead to a more widespread rainfall event, for at least southeastern Long Island and SE CT. On the wetter side, the NAM is slower and further north with the low and shows a healthy 1-2" rainfall for much of the CWA while the EC keeps the system to the south with very light amounts. The precipitation gradient is fairly tight however, given the dry air just to the north. So, have increased precipitation chances across the southeast portions of the CWA, and with PWAT values of 1.0-1.75 in., the potential does remain for any precipitation to be heavy on Sunday across these areas.

Regardless, cloud cover will be in place over the CWA which, along with easterly flow, will keep high temperatures rather cool, in the mid to upper 70s. It will also be breezy, particularly along the coastal areas, on Sunday afternoon, as the low passes to the south.

There is a high risk of rip currents at the Atlantic Ocean facing beaches on Sunday.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. For most of the week a quasi stationary long wave trough over eastern Canada is the dominate feature. As the trough pivots through New England early next week, the dynamic lift induced by the positive vorticity advection could initiate precipitation locally. In addition the trailing weak cold front extending through New York late Monday may also promote showers and thunderstorms. Precipitable water values 1.2 to 1.3 inches mean that showers forming in this environment should be light to moderate.

A brief reprieve from the rain mid week is not out of the question as high builds into the region behind the cold front. However additional showers are still possible owing to another shortwave impulse riding through the longwave flow. Afternoon highs mid week should remain in the low 80s for areas not impacted by rain. Following this shortwave, ridging and dry air return to the forecast area. Temperatures Friday could as a result be slightly higher than the previous days reaching the upper 80s and low 90s.

AVIATION /08Z SATURDAY THROUGH WEDNESDAY/. High pressure remains centered to the northeast today, then low pressure approaches from the south late tonight.

VFR through this evening with MVFR conds developing towards daybreak Sunday in rain.

NE winds increase and veer E this afternoon around 15G20kt. Highest winds generally for the coastal terminals. Winds then back towards NE tonight and diminish to around 10kt.

OUTLOOK FOR 06Z SUNDAY THROUGH WEDNESDAY. Saturday night. MVFR with rain developing towards sunrise. Sunday. MVFR with rain. Chc IFR. NE gusts around 20kt. Monday. VFR. Chc late day/nighttime MVFR in shra/tstm. Tuesday. Early MVFR/shra possible, otherwise VFR. Wednesday. VFR AM, CHC shra/MVFR PM.

MARINE. E-NE flow on Saturday will bring wind gusts 25-30 kt across the ocean zones, especially east of Fire Island Inlet. Wind gusts on Saturday on the LI Bays and Eastern Long Island Sound will also reach 25 kts. Ocean seas will build to 6-7 ft on Saturday and will linger into Sunday evening. The SCA for the Atlantic ocean waters has been extended through 10Z on Monday.

Northeast winds 15 kt with gusts up to 20 kt are possible on the ocean waters Sunday owing to an approaching low pressure system from the south. Ocean waves may rise to 6 to 8 feet, especially east of Fire Island Inlet into Monday.

Sub SCA conditions with light west winds 5-10 kt are expected on Tuesday. Winds shift south by the middle of the week as a week low passes to the north. Light north winds 5-10 kt are again possible late this week.

HYDROLOGY. No hydrologic impacts are expected through tonight. There remains a low probability of a heavy rain event on Sunday for eastern LI and southeastern CT. Should the surface low progged to lift northeast pass closer to Long Island, QPF values between 1 to 2 inches with isolated higher amounts are not out of the question. This would result in nuisance to minor flooding primarily in urban and other poor drainage areas. Confidence in this scenario is low at this time.

TIDES/COASTAL FLOODING. Easterly flow resulting from a low pressure system passing to the south Saturday and Sunday may bring tide levels close to minor flooding benchmarks. This will occur across the vulnerable south shore back bay locations during times of high tide Saturday and Sunday evenings. The higher chance of occurrence is on Sunday evening, and levels may approach minor benchmarks, but should fall just short.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 6 PM EDT this evening for ANZ330- 340-345. Small Craft Advisory until 6 AM EDT Monday for ANZ350-353-355.

SYNOPSIS . DBR/DJ NEAR TERM . DBR SHORT TERM . DBR LONG TERM . DJ AVIATION . JC MARINE . DBR HYDROLOGY . DBR TIDES/COASTAL FLOODING .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44069 16 mi58 min N 9.7 G 12 73°F 63°F
44040 - Western Long Island Sound 19 mi43 min N 12 G 14 74°F 61°F
BRHC3 - 8467150 - Bridgeport, CT 19 mi58 min NNW 5.1 G 6 70°F 77°F1014.6 hPa
44022 - Execution Rocks 26 mi43 min N 9.7 G 14 74°F 64°F
KPTN6 - 8516945 - Kings Point, NY 29 mi58 min E 5.1 G 7 73°F 1015.7 hPa
NWHC3 - 8465705 - New Haven, CT 31 mi58 min NNE 2.9 G 6 70°F 77°F1014.4 hPa
44065 - Entrance to New York Harbor 44 mi38 min N 12 G 14 74°F4 ft1013.9 hPa
BATN6 - 8518750 - The Battery, NY 44 mi58 min 77°F 75°F1015.3 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 45 mi38 min NNE 14 G 16 76°F5 ft1013.6 hPa
ROBN4 - 8530973 - Robins Reef, NJ 47 mi58 min N 7 G 8 76°F 1015 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, NY10 mi32 minN 910.00 miFair70°F60°F71%1014.3 hPa
Farmingdale - Republic Airport, NY15 mi35 minN 810.00 miFair71°F60°F68%1014.6 hPa
Shirley, Brookhaven Airport, NY20 mi32 minN 410.00 miFair69°F59°F70%1014.5 hPa
Bridgeport, Sikorsky Memorial Airport, CT20 mi36 minNNW 510.00 miFair70°F57°F64%1014.9 hPa

Link to 5 minute data for KISP

Wind History from ISP (wind in knots)
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Last 24hrNE4NE3N7NE9NE8E6NE10E11E9E10E13E11E13E7E7E6E5E4N3NE5NE5N6N7N9
1 day agoW3CalmCalmE3SE4SE5SE5S6Calm--NE6E5N6CalmCalmCalmCalmCalmCalmCalm--N5NE6NE5
2 days agoSW5N8S6S63S3S35SE4S6S7S7S7SW5SW4SW5S5S7S5SW3CalmCalmCalmCalm

Tide / Current Tables for Nissequogue River entrance, Long Island Sound, New York
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Nissequogue River entrance
Click for Map
Sat -- 02:02 AM EDT     Moonrise
Sat -- 02:44 AM EDT     0.89 feet Low Tide
Sat -- 06:03 AM EDT     Sunrise
Sat -- 08:48 AM EDT     6.54 feet High Tide
Sat -- 02:54 PM EDT     1.25 feet Low Tide
Sat -- 05:37 PM EDT     Moonset
Sat -- 07:50 PM EDT     Sunset
Sat -- 09:05 PM EDT     7.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.321.10.91.52.74.15.46.36.564.93.62.41.61.31.834.567.17.67.26.1

Tide / Current Tables for Northport, Northport Bay, Long Island Sound, New York
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Northport
Click for Map
Sat -- 02:02 AM EDT     Moonrise
Sat -- 02:55 AM EDT     0.90 feet Low Tide
Sat -- 06:03 AM EDT     Sunrise
Sat -- 08:53 AM EDT     6.82 feet High Tide
Sat -- 03:05 PM EDT     1.28 feet Low Tide
Sat -- 05:37 PM EDT     Moonset
Sat -- 07:51 PM EDT     Sunset
Sat -- 09:11 PM EDT     7.93 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.62.31.30.91.42.64.15.56.56.86.35.23.92.71.71.31.62.84.467.37.97.66.5

Weather Map
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wmap_A
GEOS 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 (4,6,7,8)
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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 numerous 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.