Tuesday, February18, 2020
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Marine Weather and Tides
Smith, 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 6:41AMSunset 5:31PM Tuesday February 18, 2020 2:18 AM EST (07:18 UTC) Moonrise 4:22AMMoonset 1:50PM Illumination 29% Phase: Waning Crescent; Moon at 24 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- 106 Am Est Tue Feb 18 2020
Overnight..SE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt late. Seas around 2 ft.
Tue..E winds 10 to 15 kt, becoming se 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Rain.
Tue night..SW winds 5 to 10 kt, becoming W with gusts up to 20 kt after midnight. Seas 1 ft or less. Rain in the evening, then chance of showers after midnight.
Wed..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 ft or less.
Wed night..NW winds 10 to 15 kt. Seas 1 ft or less.
Thu..NW winds 10 to 15 kt. Seas 1 ft or less.
Thu night..N winds 10 to 15 kt. Seas 1 ft or less.
Fri..NW winds 5 to 10 kt. Seas 1 ft or less.
Fri night..W winds 5 to 10 kt. Seas 1 ft or less.
Sat..W winds around 10 kt. Seas 1 ft or less.
Sat night..W winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 106 Am Est Tue Feb 18 2020
Synopsis for the long island waters and new york harbor.. High pressure over the forecast waters drifts east overnight. A warm front will lift northward toward the waters Tuesday morning and move into the area Tuesday afternoon, followed by a cold frontal passage Tuesday night. A large high pressure system will then slowly build from the west mid to late week.


7 Day Forecast for Marine Location Near Smith, NY
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location: 40.87, -73.2     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 180613 AFDOKX

Area Forecast Discussion National Weather Service New York NY 113 AM EST Tue Feb 18 2020

SYNOPSIS. A cold front will pass later this evening, then high pressure will build across New England overnight. A warm front will lift northward toward the area Tuesday morning and move into the area Tuesday afternoon, followed by a cold frontal passage Tuesday night. A large high pressure system will then slowly build from the west mid to late week. Low pressure could impact the area early next week.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Forecast is on track for the near term, only minor changes made to reflect current conditions.

High clouds continue to increase as the ridge moves east overnight.

Temps have radiated this evening, before winds shift to the E, and clouds continue to increase. Then temps likely hold steady or rise as the night progresses. As such, low temps will range from the mid 20s well inland to the mid 30s in NYC, and with the advancing cloud cover and E flow becoming established overnight, those lows could be reached by midnight, with temps remaining steady or slowly rising overnight.

Sfc analysis shows a weak cold front dropping through the area attm, as high pressure in its wake builds from Quebec into New England. As the high drifts E and low pressure over the nation's mid section approaches, high and then mid clouds will lower and thicken.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM WEDNESDAY/. As a warm front approaches, mainly light precip should overspread the area Tue morning and continue into the evening. Temps appear cold enough at the onset for a very brief period of snow across northern portions of the lower Hudson Valley and inland southern Connecticut. Temperatures are expected to warm quickly after sunrise, and after 10 am, most areas will be plain rain, except perhaps extreme northwestern Orange County, which may see snow until noon. However, little, if any accumulation is expected for most areas. Up to half an inch may fall across northwestern portions of Orange County. It is possible that some interior sections across the far northern tier could see a brief transitional period of freezing rain if any in-situ cold air damming develops with the onset of precip and shuts off WAA SE flow for a while as warmer air arrives aloft--confidence in this is low, and areal coverage too limited to warrant an advisory attm.

Rain will continue into the afternoon and evening as the warm front lifts into the area, and temps across NYC metro, Long Island, and SE are likely to reach 50 as they briefly get into the warm sector late afternoon and into the evening before cold fropa.

Precip gradually winds down and winds shift NW after cold fropa, with low temps ranging from from the mid 30s well inland, to lower 40s NYC and Long Island.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. Upper northern stream trough will move slowly southeast passing over the northeastern portion of the country Thursday night. Sprawling high pressure from the western United States across the mid section of the country Wednesday will make slow eastward progress. CAA will be underway beginning Wednesday behind the cold front, and strong subsidence thanks to confluent flow aloft will allow for plenty of sunshine by afternoon.

A few more clouds move in ahead of the upper trough Wednesday night and Thursday, but dry weather persists, along with cold temperatures about 10 degrees below normal Thursday and Friday.

For the weekend, northern stream trough departs to the east, with southern stream shortwave passing well south, and zonal flow over much of the northern states. As the sfc high builds to the south, cold northerly flow backs to the W/SW, and WAA ensues. Temperatures under plenty of sunshine Saturday rebound close to if not slightly above normal.

A few clouds increase later Sunday as next shortwave moves out of the western states, and across the mid section of the country Sunday night and Monday. Another northern stream shortwave also passes well north.

At the sfc, a cold front approaches Sunday night, with main low tracking across the Ohio Valley. Some moisture may get pulled northward along the northern stream system, and cold front which could result i a spot shower. However, the best chance for rain likely holds off until later Monday as the low and warm front draw closer.

AVIATION /06Z TUESDAY THROUGH SATURDAY/. High pressure over northern New England will continue to slowly move east overnight. A frontal system affects the terminals Tuesday into Tuesday evening, with a cold front passing through the terminals 00Z to 08Z Wednesday.

VFR overnight, becoming MVFR 13Z to 16Z with light rain developing. A rain/snow mix is possible at the beginning at the terminals north and west of NYC, and a brief start of all snow at KSWF. Conditions lower to IFR in rain during Tuesday afternoon, with local areas possibly remaining MVFR. Conditions return to VFR late Tuesday evening with the rain ending.

Wind NE to E around 5 kt overnight, then winds become southeast 10- 15 kt Tuesday morning. Winds will then become more southerly during Tuesday afternoon, and SW Tuesday evening. With the passage of a cold front winds become NW 10 to 15 kt with gusts 15 to 25 kt.

OUTLOOK FOR 06Z WEDNESDAY THROUGH SATURDAY. Late Tuesday night. MVFR in light rain. Rain ending 07Z to 10Z west to east, then becoming VFR. Winds W-NW G15-25kt. Wednesday. VFR. NW winds G15-20kt. Thursday-Saturday. VFR.

MARINE. Winds more southeasterly ahead of a warm front and as high pressure over northern New England continues to drift east. So made minor adjustments to the winds and gusts through the overnight.

Sub SCA conditions expected across all waters through most of tonight. E flow ramps up fairly quickly overnight, with SCA conds expected on the ocean waters before daybreak, then on the eastern Sound and the bays of Long Island, as SE flow increases to 20-25 kt with gusts 25-30 kt. Winds may peak briefly at 35 kt just before a low level inversion develops late Tue morning or early Tue afternoon. A warm front moving into the waters Tue afternoon should bring an end to SCA conds on all but the ocean waters, where hazardous seas 4-7 ft will still be ongoing.

Winds shift NW after cold fropa Tue night, with lingering 5-ft ocean seas slowly subsiding into Wed night. The gusty NW flow could come close to 25 kt attm late Tue night into Wednesday, but overall, sub-SCA conditions will likely persist as a large area of high pressure builds from the mid section of the country, passing south by Saturday. Since the center of the high never builds overhead, and a persistent W-NW pressure gradient remains, do expect winds to remain in the 10-20 kt range. Wind direction remains N-NW Thursday and Friday, then backs to the W-NW on Saturday.

Seas will remain somewhat elevated as a result, but should fall short of 5 ft.

HYDROLOGY. No hydrologic impacts expected. Only isolated higher rainfall totals of close to 1/2 inch possible near and just east of some of the higher elevations, where orographic lift in SE flow will cone into play.

EQUIPMENT. NYC NOAA Weather Radio Station KWO35 (162.55 MHz) is still operating at reduced power.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory from 6 AM this morning to 1 PM EST this afternoon for ANZ330-340-345. Small Craft Advisory until 6 AM EST Wednesday for ANZ350-353- 355.

SYNOPSIS . Goodman/PW NEAR TERM . Goodman/JP/PW SHORT TERM . Goodman/JP LONG TERM . PW AVIATION . MET MARINE . Goodman/PW HYDROLOGY . Goodman/PW EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44040 - Western Long Island Sound 21 mi34 min ENE 14 G 19 37°F 2 ft26°F
BRHC3 - 8467150 - Bridgeport, CT 21 mi49 min 34°F 39°F1029.9 hPa
44022 - Execution Rocks 28 mi34 min ENE 14 G 18 37°F 32°F30°F
KPTN6 - 8516945 - Kings Point, NY 30 mi49 min 37°F 41°F1030 hPa
NWHC3 - 8465705 - New Haven, CT 32 mi49 min 33°F 38°F1030.1 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 43 mi29 min 16 G 18 44°F 44°F2 ft1028.3 hPa (+0.0)
44065 - Entrance to New York Harbor 44 mi29 min ENE 18 G 21 41°F 3 ft1028.4 hPa34°F
BATN6 - 8518750 - The Battery, NY 45 mi49 min 39°F 41°F1029.2 hPa
ROBN4 - 8530973 - Robins Reef, NJ 48 mi49 min 39°F 1028.8 hPa

Wind History for Bridgeport, CT
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Islip, Long Island Mac Arthur Airport, NY7 mi23 minENE 910.00 miFair35°F23°F61%1029.5 hPa
Farmingdale - Republic Airport, NY15 mi26 minENE 610.00 miFair37°F21°F54%1029.4 hPa
Shirley, Brookhaven Airport, NY18 mi23 minN 010.00 miFair33°F21°F61%1030 hPa
Bridgeport, Sikorsky Memorial Airport, CT22 mi27 minNE 710.00 miFair34°F19°F54%1030.1 hPa

Link to 5 minute data for KISP

Wind History from ISP (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmN7N8N5N4NW7N5W10S9SW6SW3CalmCalmN6NE8NE9NE8NE8NE9
1 day agoSW10SW8SW6SW7SW8SW8SW12
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SW11SW8SW85SW4SW7SW7SW4SW3CalmSW3CalmCalmCalmCalmCalm
2 days agoN6N8N7N7N7N5CalmNE3W5SE7SW9S8S9SW9S10SW5SW6S10S10SW9SW10SW11SW10SW10

Tide / Current Tables for Nissequogue River entrance, Long Island Sound, New York
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Nissequogue River entrance
Click for Map
Tue -- 12:43 AM EST     0.45 feet Low Tide
Tue -- 03:22 AM EST     Moonrise
Tue -- 06:43 AM EST     Sunrise
Tue -- 06:59 AM EST     7.00 feet High Tide
Tue -- 12:49 PM EST     Moonset
Tue -- 01:30 PM EST     0.01 feet Low Tide
Tue -- 05:30 PM EST     Sunset
Tue -- 07:37 PM EST     6.13 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.51.12.43.95.46.676.65.54.12.510.10.10.92.23.75.166.15.54.43.1

Tide / Current Tables for Northport, Northport Bay, Long Island Sound, New York
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Northport
Click for Map
Tue -- 12:55 AM EST     0.46 feet Low Tide
Tue -- 03:22 AM EST     Moonrise
Tue -- 06:44 AM EST     Sunrise
Tue -- 07:06 AM EST     7.22 feet High Tide
Tue -- 12:50 PM EST     Moonset
Tue -- 01:41 PM EST     -0.00 feet Low Tide
Tue -- 05:30 PM EST     Sunset
Tue -- 07:45 PM EST     6.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.512.23.85.46.77.26.95.94.52.91.30.200.723.65.16.16.35.84.83.5

Weather Map
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wmap_A
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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (2,6,7,8)
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Ground Weather Radar Station Upton, NY
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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.