Tuesday, January19, 2021
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Marine Weather and Tides
West Hampton Dunes, 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 7:09AMSunset 4:54PM Tuesday January 19, 2021 12:35 PM EST (17:35 UTC) Moonrise 11:55AMMoonset 12:00AM Illumination 38% Phase: Waxing Crescent; Moon at 6 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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ANZ345 South Shore Bays From Jones Inlet Through Shinnecock Bay- 936 Am Est Tue Jan 19 2021
Today..W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft.
Tonight..W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft in the evening, then 1 ft or less.
Wed..W winds 10 to 15 kt, becoming nw 15 to 20 kt in the afternoon. Waves around 2 ft.
Wed night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves around 2 ft in the evening, then 1 ft or less.
Thu..SW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less.
Thu night..W winds 10 to 15 kt. Waves 1 ft or less.
Fri..W winds 10 to 15 kt. Waves 1 ft or less.
Fri night..NW winds 10 to 15 kt. Waves 1 ft or less.
Sat..NW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 to 2 ft.
Sat night..NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft.
ANZ300 936 Am Est Tue Jan 19 2021
Synopsis for the long island waters and new york harbor.. High pressure builds southwest of the region today. A cold front moves across the region on Wednesday. Low pressure passes over the great lakes and into northern new england Thursday into Thursday night. High pressure slowly builds in for next weekend.


7 Day Forecast for Marine Location Near West Hampton Dunes, NY
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location: 40.78, -72.69     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 191443 AFDOKX

Area Forecast Discussion National Weather Service New York NY 943 AM EST Tue Jan 19 2021

SYNOPSIS. High pressure builds southwest of the region today. A cold front moves across the region on Wednesday. Low pressure passes over the Great Lakes and into northern New England Thursday into Thursday night. High pressure slowly builds in for next weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Forecast on track with just a few minor adjustments to reflect latest observations. Otherwise, high pressure builds southwest of the region today. Rising heights will result in a dry day, though a stray flurry or sprinkle cannot be ruled out with weakening low pressure over the eastern Great Lakes. However, chances are too low to include in the forecast.

It should start off mostly clear across western areas, with an increase in cloud cover by midday, especially north and west of NYC. For eastern areas, mostly cloudy skies will advect eastward and become partly sunny to partly cloudy by midday.

A westerly flow will continue, with some gusts to near 20 mph during the late morning and early afternoon. Highs today will be in the upper 30s and lower 40s.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM WEDNESDAY/. Tonight starts off mostly clear with dry conditions. Clouds however will increase late. Lows tonight will fall into the 20s for much of the region. The one exception will be across NYC where lows will be in the lower 30s.

Clouds increase further Wednesday morning as an upper level trough and surface cold front move across the region. This system could bring some light snow showers or flurries to the region. No accumulation is expected. The front moves offshore by late morning/early afternoon with clearing skies. Winds will become more northwesterly and increase with gusts between 25 and 30 mph. Highs on Wednesday will be in the 30s.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. A ridge of high pressure then builds into the area overnight Wednesday, with the flow aloft becoming more zonal, so any systems that impact the area will move through rather quickly.

A weakening area of low pressure over the northwestern Great Lakes dives southeastward Wednesday night into Thursday. This may bring another trough or frontal boundary near the area on Thursday. Again, the dynamics look weak and will mainly affect the eastern portions of the area.

The primary low continues to weaken over northern New England on Friday, while a secondary low develops well off the mid-Atlantic coast and heads away from the region. Any moisture will have a tough time making it over the Appalachians in association with the primary low, and the secondary low will be too far away to bring any moisture into the area. Therefore, went with a dry forecast for Friday.

High pressure builds in for next weekend. The next frontal system may impact the area at the beginning of next week.

Temperatures will be at or slightly above normal through the long term.

AVIATION /15Z TUESDAY THROUGH SATURDAY/. High pressure builds to the south today. A cold front approaches tonight and moves across on Wednesday.

W winds 15kt with gusts 20-25kt. Gusts will diminish early this evening with W flow gradually falling below 10 kt overnight.

Mainly VFR. A snow shower is possible late tonight into Wednesday morning, but confidence is not high enough to include in the TAFs at this time.

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

Gusts could linger a few hours longer this evening.

OUTLOOK FOR 12Z WEDNESDAY THROUGH SATURDAY. Wednesday. Mainly VFR. WNW wind G20-25kt. Slight chance of snow showers and MVFR, mainly in the morning. Thursday. Mainly VFR. Slight chance of MVFR with flurries or snow showers. Friday. VFR. Saturday. VFR. W-NW G20-25kt, possibly up to 30 kt on Sat.

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

MARINE. Small Craft Advisories on the ocean waters have been extended through tonight.

Small Craft Conditions continue on the area waters today and into tonight. There may be a brief period where winds and seas fall below SCA criteria late tonight into early Wednesday, however this will only be for a few hours as the pressure gradient increases once again on Wednesday as an area of low pressure over the Gulf of Maine intensifies. 25 kt gusts will be possible on all the area waters Wednesday afternoon. Gusts diminish Wednesday night as the low heads away from the region. Winds then largely remain below SCA criteria, although they may occasionally touch at times on the ocean waters, especially Thursday afternoon and Saturday afternoon.

Waves of 5 to 6 ft are expected across the ocean zones on Wednesday, diminishing Wednesday night. Waves build again late Thursday into Thursday night and could remain 5 ft or slightly higher into the weekend (except perhaps the western ocean zone).

HYDROLOGY. No hydrologic concerns are anticipated through this week.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 6 AM EST Wednesday for ANZ350-353- 355.

SYNOPSIS . BC/JP NEAR TERM . BC/JP SHORT TERM . BC LONG TERM . JP AVIATION . JC/DS MARINE . BC/JP HYDROLOGY . BC/JP


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44017 - 23 Nautical Miles Southwest of Montauk Point, NY 35 mi25 min W 16 G 19 39°F 47°F1016.8 hPa29°F
NWHC3 - 8465705 - New Haven, CT 37 mi47 min WNW 11 G 13 40°F 40°F1017.1 hPa
BRHC3 - 8467150 - Bridgeport, CT 38 mi47 min W 8.9 G 14 40°F 42°F1016 hPa
MTKN6 - 8510560 - Montauk, NY 43 mi47 min 38°F 41°F1016.3 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 44 mi25 min W 19 G 25 48°F1017 hPa
LDLC3 - New London Ledge CT - Ledge Light Weather 49 mi25 min WSW 12 G 15 40°F 1014 hPa22°F

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Gabreski Airport, NY5 mi42 minW 710.00 miOvercast41°F24°F51%1016.9 hPa
Shirley, Brookhaven Airport, NY9 mi39 minW 1010.00 miOvercast42°F24°F49%1016.8 hPa
Islip, Long Island Mac Arthur Airport, NY22 mi39 minWNW 1010.00 miMostly Cloudy43°F24°F47%1016.7 hPa

Link to 5 minute data for KFOK

Wind History from FOK (wind in knots)
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Tide / Current Tables for Potunk Point, Moriches Bay, Long Island, New York
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Potunk Point
Click for Map
Tue -- 03:46 AM EST     0.45 feet High Tide
Tue -- 07:10 AM EST     Sunrise
Tue -- 09:48 AM EST     0.07 feet Low Tide
Tue -- 10:54 AM EST     Moonrise
Tue -- 03:58 PM EST     0.45 feet High Tide
Tue -- 04:52 PM EST     Sunset
Tue -- 10:09 PM EST     0.03 feet Low Tide
Tue -- 11:39 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.30.40.40.50.40.30.20.10.10.10.10.20.30.40.40.50.40.30.20.10.100.1

Tide / Current Tables for Shinnecock Canal, Railroad Bridge, New York Current
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Shinnecock Canal
Click for Map
Tue -- 01:33 AM EST     -0.00 knots Slack
Tue -- 04:41 AM EST     -1.23 knots Max Ebb
Tue -- 07:10 AM EST     Sunrise
Tue -- 08:23 AM EST     0.00 knots Slack
Tue -- 10:47 AM EST     1.10 knots Max Flood
Tue -- 10:53 AM EST     Moonrise
Tue -- 01:45 PM EST     -0.00 knots Slack
Tue -- 04:51 PM EST     Sunset
Tue -- 05:03 PM EST     -1.31 knots Max Ebb
Tue -- 08:49 PM EST     0.00 knots Slack
Tue -- 11:17 PM EST     1.17 knots Max Flood
Tue -- 11:38 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.4-0.3-0.8-1.2-1.2-1-0.7-0.30.411.10.90.5-0.2-0.8-1.1-1.3-1.2-0.9-0.50.10.91.2

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.
Link to Loop

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