Wednesday, February26, 2020
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Marine Weather and Tides
Gilgo, 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 6:31AMSunset 5:42PM Wednesday February 26, 2020 4:50 AM EST (09:50 UTC) Moonrise 9:16AMMoonset 9:36PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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- 406 Am Est Wed Feb 26 2020
.small craft advisory in effect through late tonight...
.gale watch in effect from Thursday morning through Friday afternoon...
Today..E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt late. Seas 3 to 5 ft. Areas of fog early this morning. Patchy fog late this morning. Slight chance of light rain and drizzle this morning, then slight chance of showers this afternoon. Vsby 1 to 3 nm this morning.
Tonight..E winds 20 to 25 kt, becoming se after midnight. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Showers. Areas of fog. Vsby 1 to 3 nm.
Thu..W winds 20 to 25 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 6 to 8 ft. Chance of showers in the morning.
Thu night..W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft.
Fri..W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft.
Fri night..W winds 15 to 20 kt. Gusts up to 30 kt in the evening. Seas 4 to 6 ft, subsiding to 2 to 4 ft after midnight.
Sat..W winds around 15 kt. Seas 2 to 4 ft.
Sat night..NW winds around 15 kt. Seas 2 to 3 ft.
Sun..NW winds around 15 kt. Seas 2 to 3 ft.
Sun night..NW winds 10 to 15 kt. Seas around 2 ft.
ANZ300 406 Am Est Wed Feb 26 2020
Synopsis for the long island waters and new york harbor.. A low pressure system over the ohio valley will approach from the west today. This system rapidly develops tonight as it moves across the area waters. Low pressure moves north into canada as a surface ridge builds across the area through the weekend.


7 Day Forecast for Marine Location Near Gilgo, NY
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location: 40.54, -73.43     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 260856 AFDOKX

Area Forecast Discussion National Weather Service New York NY 356 AM EST Wed Feb 26 2020

SYNOPSIS. A low pressure system over the Ohio Valley will approach from the west into Wednesday. This system rapidly develops Wednesday night as it moves into New England. Low pressure moves north into Canada as a surface ridge builds across the area through the weekend. High pressure then gives way to an approaching low early next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. An upper level trough swinging over the Mississippi Valley will force surface low pressure development over the Ohio Valley into Wednesday. As the shortwave rounds the base of the negatively tilting trough, the low pressure rapidly intensifies as it moves to the northeast into New England.

Low level moisture on Wednesday morning may result in drizzle and areas of fog. A majority of the day Wednesday will remain dry as there remains a lack of lift well ahead of the developing low pressure to the southwest. As easterly flow increases ahead of the low pressure in the late afternoon, moisture advection will result in areas of rain showers and areas of patchy fog developing toward sunset.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM THURSDAY/. As the low intensifies and the warm front approaches from the south, showers of rain develop into this evening and into Thursday morning. There is still some uncertainty with the northward extent of the surface warm front, though it is likely that Long Island and possibly southern CT briefly get into the warm sector of the low. With ample moisture being advected into the region from increasing southerly flow, rain becomes widespread overnight and may be moderate at times. Elevated instability will allow for the potential of isolated thunderstorm development along Long Island and the Southern CT coast as the triple point of the surface low moves through the area.

The cold front then passes through the CWA by daybreak on Thursday as conditions rapidly dry out and westerly flow increasing through the day. Winds will continue to increase through the day Thursday becoming sustained at 20 - 30mph with gusts up to 40mph.

LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/. An upper low over southern Quebec gradually lifts northeast through the start of the long term period as a surface ridge builds towards the east coast. This will result in a period of dry and cool weather for the end of the work week through the weekend. A series of shortwaves rotating around the departing upper low will result in an increase in midlevel clouds during the day on Friday and possibly again on Saturday, but with dry low levels, no precipitation is expected.

Ridging briefly builds in aloft for the start of the work week before quickly sliding offshore Monday afternoon as the next system to impact the region takes shape over the Midwest. As has been the case for much of the winter, an area of low pressure cutting across the Great Lakes will spread precipitation towards the area Monday night into Tuesday. With a surface high retreating to the east as precipitation moves in Monday night, the potential exists for a period of wintry precipitation at the start, but the exact details and timing remain uncertain at this time. Any wintry precipitation would quickly transition to all rain during the day on Tuesday as temperatures warm both at the surface and aloft.

Temperatures through the weekend will average about 5 degrees below normal, with daytime highs generally in the 30s to around 40 and overnight lows falling into the 20s. Gusty west winds will make it feel even colder Thursday night into Friday, with wind chills dipping into the teens overnight and remaining below freezing through the day. Temperatures then moderate for the start of the new work week, with above normal temperatures returning on Tuesday.

AVIATION /09Z WEDNESDAY THROUGH SUNDAY/. A broad area of low pressure from Ohio Valley to the Mid Atlantic region will remain nearly stationary overnight. Weak ridging will then build down along the New England coast into Wednesday. A stronger low will emerge from the Ohio Valley Wednesday night.

This will keep the area in a prolonged period of NE-E flow under 10 kt, with LIFR conds for most of the city and coastal terminals through early morning, and widespread IFR conds elsewhere.

Conds may improve to VFR at the eastern and northern terminals in the afternoon, and MVFR during the late morning and afternoon for the NYC metros. Confidence in either is not high.

OUTLOOK FOR 06Z THURSDAY THROUGH SUNDAY. Late tonight. Rain with MVFR/IFR conds. E-SE winds G20-25 kt, mainly along the coast. Chance of both thunder and LLWS. Thursday. Improving to VFR early. W winds G30kt. Friday. VFR. W winds G25kt. Saturday and Sunday. VFR. W-NW winds G20kt.

MARINE. SCA ocean seas expected to develop early this morning due to S/SE swells. Easterly winds are expected to increase to SCA for all waters tonight, ahead of approaching low pressure.

After the cold front passes East early Thursday morning, deepening low to the north will promote rapidly strengthening west winds Thursday up to 40 kts as waves increase to 7 to 9 feet south of Long Island. A Gale Watch is in effect for the ocean waters from Thursday through Friday evening. Low exits to the northeast into the weekend and a high builds behind the system. Winds diminish to 13-18 kts out of the west and wave decrease to 3 to 4 feet over the ocean waters.

Gale conditions will continue Thursday night on the ocean before winds gradually decrease through the day on Friday as the low continues to pull away from the region. Winds and seas will continue to diminish Friday night into Saturday, with sub-SCA conditions returning to all waters during the day on Saturday as high pressure builds towards the waters.

HYDROLOGY. Rainfall of 1/2 to 3/4 inch is possible tonight into early Thu morning as low pressure moves across. Some isolated 1-inch totals may be possible. Only minor poor drainage impacts expected.

TIDES/COASTAL FLOODING. Per blend of bias-corrected ETSS/Stevens/ESTOFS guidance, E flow increasing to 20-25 kt Wed Night has potential to produce surge of 1.5-2.0 ft and locally 2.5 ft.

These water levels, combined with 3 to 4 ft wave action, could cause minor coastal impacts around the times of high tide along vulnerable Western LI Sound locales. Some localized minor coastal impacts possible along the W Long Island south shore bays and Peconic Bay as well.

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 7 PM this evening to 6 AM EST Thursday for ANZ330-335-338-340-345. Gale Watch from Thursday morning through Friday afternoon for ANZ350-353-355. Small Craft Advisory until 6 AM EST Thursday for ANZ350-353- 355.

SYNOPSIS . FEB/MW NEAR TERM . MW SHORT TERM . MW LONG TERM . FEB AVIATION . Goodman MARINE . FEB/MW HYDROLOGY . FEB/MW TIDES/COASTAL FLOODING . EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44065 - Entrance to New York Harbor 19 mi41 min N 7.8 G 9.7 44°F 1012.2 hPa43°F
44025 - LONG ISLAND 33 NM South of Islip, NY 24 mi61 min 7.8 G 9.7 44°F 43°F4 ft1011.8 hPa (+0.4)
KPTN6 - 8516945 - Kings Point, NY 26 mi57 min ENE 1.9 G 2.9 41°F 41°F1013.2 hPa
44022 - Execution Rocks 28 mi51 min NNE 3.9 G 3.9 41°F 32°F41°F
44040 - Western Long Island Sound 30 mi51 min Calm G 1.9 41°F 41°F
SDHN4 - 8531680 - Sandy Hook, NJ 31 mi57 min NW 4.1 G 5.1 44°F 42°F1012.9 hPa
BATN6 - 8518750 - The Battery, NY 33 mi57 min 45°F 42°F1012.8 hPa
ROBN4 - 8530973 - Robins Reef, NJ 35 mi57 min ENE 6 G 6 46°F 1012.6 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 39 mi57 min 45°F 42°F1012.6 hPa
MHRN6 39 mi57 min ENE 2.9 G 4.1
BRHC3 - 8467150 - Bridgeport, CT 46 mi57 min NE 2.9 G 4.1 45°F 40°F1012 hPa

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY13 mi58 minN 05.00 miFog/Mist47°F44°F90%1012.4 hPa
New York, Kennedy International Airport, NY20 mi60 minN 04.00 miLight Drizzle Fog/Mist46°F46°F100%1012.9 hPa

Link to 5 minute data for KFRG

Wind History from FRG (wind in knots)
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Last 24hrCalmCalmSW5S3S3S7S63S5CalmSE4SE3SE4SE4NE3NE3N4NE4NE3E4NE3NE4NE4Calm
1 day agoCalmCalmCalmCalmSW343S6SW9S7S8S8S7SE6SW7S6S5SW6SW5SW7S7SW5SW6S6
2 days agoW3CalmW3W5W55W8W8W10W10S12SW12SW11
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Tide / Current Tables for Gilgo Heading, Long Island, New York
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Gilgo Heading
Click for Map
Wed -- 06:27 AM EST     0.01 feet Low Tide
Wed -- 06:32 AM EST     Sunrise
Wed -- 08:15 AM EST     Moonrise
Wed -- 11:54 AM EST     1.14 feet High Tide
Wed -- 05:40 PM EST     Sunset
Wed -- 06:45 PM EST     -0.04 feet Low Tide
Wed -- 08:36 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.110.80.50.30.1000.30.60.91.11.11.10.90.60.40.1-0-00.10.50.81

Tide / Current Tables for Green Island, Long Island, New York
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Green Island
Click for Map
Wed -- 05:00 AM EST     0.01 feet Low Tide
Wed -- 06:33 AM EST     Sunrise
Wed -- 08:15 AM EST     Moonrise
Wed -- 10:53 AM EST     1.94 feet High Tide
Wed -- 05:18 PM EST     -0.06 feet Low Tide
Wed -- 05:41 PM EST     Sunset
Wed -- 08:36 PM EST     Moonset
Wed -- 11:13 PM EST     1.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.30.80.40.100.20.61.11.61.91.91.81.410.50.1-000.40.91.41.71.8

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

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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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.