Sunday, January17, 2021
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L-36.com

Marine Weather and Tides
Bellmore, NY

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:12AMSunset 4:55PM Sunday January 17, 2021 12:52 AM EST (05:52 UTC) Moonrise 11:12AMMoonset 10:43PM Illumination 15% Phase: Waxing Crescent; Moon at 4 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- 1215 Am Est Sun Jan 17 2021
.small craft advisory in effect through late tonight...
Overnight..W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft.
Sun..W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft.
Sun night..W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Mon..W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft.
Mon night..W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Tue..W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Tue night..W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft.
Wed..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Wed night..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Thu..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Chance of snow. Vsby 1 to 3 nm.
Thu night..W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Chance of rain.
ANZ300 1215 Am Est Sun Jan 17 2021
Synopsis for the long island waters and new york harbor.. Low pressure gradually moves north across northern new england and into the canadian maritimes throughout the remainder of the weekend. Thereafter, a series of weak troughs along with a cold front will pivot across the waters through the middle of the week. A frontal system will approach the waters on Thursday.


7 Day Forecast for Marine Location Near Bellmore, NY
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location: 40.62, -73.51     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 170521 AFDOKX

Area Forecast Discussion National Weather Service New York NY 1221 AM EST Sun Jan 17 2021

SYNOPSIS. Low pressure over northern New England will lift up into the Canadian Maritimes today. Thereafter, a series of weak troughs along with a cold front will pivot across the area through the middle of the week. A frontal system passes through Thursday and Thursday night. High pressure slowly builds into the beginning of next weekend.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Forecast on track. The upper trough axis has lifted just NE of the area with subsidence and drier air working into the region. Mostly clear to partly cloudy skies expected until the early morning hours when model time-height cross sections begin to show some moistening below a developing low- level inversion. Scattered low clouds may develop across the region prior to or near daybreak.

The winds should pick up gradually during the early morning hours and more so into Sunday morning as the depth of the mixed layer begins to increase along with a tight pressure gradient across the area. Despite cold air advection, temperatures should average a few degrees above normal.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM MONDAY/. With the cyclonic flow continuing across the area along with weak surface troughing look for a day filled with partly sunny skies. A stratocumulus deck is likely around or just below 5kft along with some higher clouds later in the day in response to a weak upper level trough back to the southwest. The primary story will be breezy conditions with 15 to 20 mph sustained winds at times along with gusts around 30 mph. With the lack of a true cold air source temperatures should still average above normal for this time of the year. Daytime highs should be mainly in the lower to middle 40s, but a stiff west wind will make it feel like it is in the 30s.

For Sunday night the pressure gradient will relax a touch. This will allow for lighter winds, although even the more sheltered interior locations will have difficulty completely decoupling. Forecast soundings also continue to show some moisture below 10 kft which should result at least in intervals of clouds, especially as a shortwave at 700 mb approaches closer to daybreak. Temperatures will continue to run a few degrees above normal with mainly upper 20s to middle 30s for the overnight and early morning minimums.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/. The northern stream continues to dominate through the extended period as a series of shortwaves and longwave troughs of various amplitudes moves across the northeast. While moisture will be minimal there will be chances of precipitation with the waves moving through. The first shortwave moves through Monday, and there is a chance of sprinkles or flurries, mainly in the morning. Probabilities were left below slight chance, however, the better chances will be across the northern interior. Precipitation type is uncertain as soundings indicate that ice crystals will be lacking. Another wave moves through early Wednesday, and with the atmosphere cold enough through the column, flurries or snow showers will be possible across the entire region. Finally another less amplified wave moves through for Thursday into Thursday night, with a more northern track, a warm front moves through followed by a cold front with a surface low developing well into the northern Atlantic Thursday night with the progressive nature of the northern stream. There will be a chance for some light snow with this system. There is a some uncertainty with a system for next Saturday with much of the energy remaining to the north as weak ridging builds slowly from the Great Lakes region.

AVIATION /06Z SUNDAY THROUGH THURSDAY/. Low pressure over northern New England moves into the Canadian maritimes later this morning.

VFR. BKN ceilings possible around 4000-4500 ft this afternoon.

Gusty west winds will be the rule the next 24 hours as deepening low pressure lifts up into the Canadian Maritimes. Expect speeds 10 to 15 kt early with gust up to 20 kt, increasing to 15 to 20 kt with gusts to 30 kt after 14Z.

. NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty .

Wind gusts may be less frequent during the overnight.

OUTLOOK FOR 06Z MONDAY THROUGH THURSDAY. Sunday Night. VFR. Monday. VFR. W wind gusts 15-20 kt, mainly during the day. Tuesday. VFR. Wednesday. Mainly VFR, chance of MVFR. Thursday. Mainly VFR.

Detailed information, including hourly TAF wind component forecasts, can be found at: http:/www.weather.gov/zny/n90

MARINE. Have issued a Gale Warning on the ocean waters east of Moriches Inlet through 23z. There may also be occasional gusts to 35 kt on the waters from Fire Island Inlet to Moriches Inlet. Otherwise, SCA conditions are expected through this afternoon.

Winds on all waters will weaken tonight, with a possible brief period of sub SCA conditions by Monday morning.

A prolonged period of SCA conditions are likely on the ocean waters, and possibly the eastern Long Island Sound and eastern bays, later Monday into Wednesday night as cold fronts moves across the waters. A brief period of sub advisory is expected Thursday, however, ocean seas build back to SCA levels Thursday night into Friday as southwesterly winds increase ahead of a frontal system.

HYDROLOGY. No hydrologic concerns are anticipated through next week.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 6 PM EST this evening for ANZ338. Small Craft Advisory until midnight EST tonight for ANZ330-335- 340-345. Small Craft Advisory until 6 AM EST Monday for ANZ353-355. Gale Warning until 6 PM EST this evening for ANZ350.

SYNOPSIS . JE/MET NEAR TERM . JE/MET/DW SHORT TERM . JE LONG TERM . MET AVIATION . DW MARINE . JE/DS/MET HYDROLOGY . JE/MET


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KPTN6 - 8516945 - Kings Point, NY 19 mi53 min NW 15 G 19 38°F 997.8 hPa (+0.5)
44065 - Entrance to New York Harbor 20 mi33 min W 23 G 29 44°F997.7 hPa
BATN6 - 8518750 - The Battery, NY 27 mi53 min 38°F 42°F998.2 hPa (+0.9)
SDHN4 - 8531680 - Sandy Hook, NJ 28 mi53 min W 22 G 27 39°F 998.9 hPa (+1.0)
ROBN4 - 8530973 - Robins Reef, NJ 30 mi53 min W 21 G 23 38°F 997.7 hPa (+0.7)
44025 - LONG ISLAND 33 NM South of Islip, NY 31 mi33 min W 25 G 33 49°F997.6 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 34 mi53 min 38°F 42°F997.8 hPa (+0.9)
MHRN6 35 mi53 min WSW 13 G 21
BRHC3 - 8467150 - Bridgeport, CT 42 mi53 min WSW 5.1 G 11 36°F 42°F995.2 hPa (-0.0)

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY9 mi60 minW 1510.00 miFair38°F24°F57%996.9 hPa
New York, Kennedy International Airport, NY15 mi62 minW 18 G 2510.00 miA Few Clouds and Breezy38°F26°F62%997.8 hPa
New York, La Guardia Airport, NY23 mi62 minW 13 G 2110.00 miA Few Clouds40°F24°F53%997.1 hPa

Link to 5 minute data for KFRG

Wind History from FRG (wind in knots)
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Last 24hrE14
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1 day agoN4NE3CalmCalmNE6NE5E8NE6NE7NE9E8E8E12
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2 days agoCalmCalmCalmCalmCalmW3CalmCalmCalmCalmCalmCalmW3SE5CalmS43CalmCalmN4CalmN4N4Calm

Tide / Current Tables for Green Island, Long Island, New York
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Green Island
Click for Map
Sun -- 06:07 AM EST     0.03 feet Low Tide
Sun -- 07:14 AM EST     Sunrise
Sun -- 10:11 AM EST     Moonrise
Sun -- 12:11 PM EST     1.96 feet High Tide
Sun -- 04:54 PM EST     Sunset
Sun -- 06:37 PM EST     -0.10 feet Low Tide
Sun -- 09:43 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.61.30.90.50.200.20.511.51.81.91.91.51.10.60.2-0-0.10.20.611.4

Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Sun -- 02:30 AM EST     -0.71 knots Max Ebb
Sun -- 05:32 AM EST     0.00 knots Slack
Sun -- 07:16 AM EST     Sunrise
Sun -- 08:40 AM EST     0.97 knots Max Flood
Sun -- 10:12 AM EST     Moonrise
Sun -- 11:48 AM EST     -0.00 knots Slack
Sun -- 02:56 PM EST     -0.66 knots Max Ebb
Sun -- 04:54 PM EST     Sunset
Sun -- 05:56 PM EST     0.00 knots Slack
Sun -- 09:04 PM EST     0.90 knots Max Flood
Sun -- 09:44 PM EST     Moonset
Sun -- 11:54 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-0.5-0.7-0.7-0.4-0.10.10.40.80.90.60.2-0-0.3-0.6-0.7-0.5-0.200.20.60.90.70.2

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
Ground Weather Radar Station




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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.