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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
| Sunrise 6:53AM | Sunset 7:07PM | Thursday March 21, 2019 12:14 PM EDT (16:14 UTC) | Moonrise 8:00PM | Moonset 7:36AM | Illumination 100% |  |
ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 1044 Am Edt Thu Mar 21 2019
.small craft advisory in effect from 5 pm edt this afternoon through late tonight...
.gale watch in effect from Friday evening through Saturday afternoon...
Today..E winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with gusts up to 25 kt late. Seas 1 ft or less. Rain late this morning and early afternoon, then chance of rain late.
Tonight..E winds 15 to 20 kt with gusts up to 25 kt, becoming ne 10 to 15 kt after midnight. Seas around 2 ft. Rain. Patchy fog after midnight. Vsby 1 to 3 nm.
Fri..W winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Chance of rain in the morning, then chance of showers in the afternoon.
Fri night..W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 2 to 4 ft. Chance of showers in the evening.
Sat..NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft.
Sat night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas around 2 ft.
Sun..W winds around 10 kt. Seas 1 ft or less.
Sun night..W winds around 10 kt. Seas 1 ft or less.
Mon..NW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers in the afternoon.
Mon night..N winds 5 to 10 kt. Seas 1 ft or less. Chance of showers in the evening.
.small craft advisory in effect from 5 pm edt this afternoon through late tonight...
.gale watch in effect from Friday evening through Saturday afternoon...
Today..E winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt with gusts up to 25 kt late. Seas 1 ft or less. Rain late this morning and early afternoon, then chance of rain late.
Tonight..E winds 15 to 20 kt with gusts up to 25 kt, becoming ne 10 to 15 kt after midnight. Seas around 2 ft. Rain. Patchy fog after midnight. Vsby 1 to 3 nm.
Fri..W winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Chance of rain in the morning, then chance of showers in the afternoon.
Fri night..W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 2 to 4 ft. Chance of showers in the evening.
Sat..NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft.
Sat night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas around 2 ft.
Sun..W winds around 10 kt. Seas 1 ft or less.
Sun night..W winds around 10 kt. Seas 1 ft or less.
Mon..NW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers in the afternoon.
Mon night..N winds 5 to 10 kt. Seas 1 ft or less. Chance of showers in the evening.
ANZ300 1044 Am Edt Thu Mar 21 2019
Synopsis for the long island waters and new york harbor.. Low pressure approaches from the south today before passing through late tonight. Deepening low pressure then lifts to the north Friday and into Saturday as high pressure builds over the waters Sunday. The high will give way to a cold front Monday.
Synopsis for the long island waters and new york harbor.. Low pressure approaches from the south today before passing through late tonight. Deepening low pressure then lifts to the north Friday and into Saturday as high pressure builds over the waters Sunday. The high will give way to a cold front Monday.
7 Day Forecast for Marine Location Near Norwalk, CT
Hourly EDIT Helplocation: 41.1, -73.42 debug
Area Discussion for - New York City/Upton, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kokx 211545 afdokx area forecast discussion national weather service new york ny 1145 am edt Thu mar 21 2019 Synopsis Low pressure will approach from the south through Thursday, and pass through late Thursday night, then intensify as it moves slowly northeast toward the canadian maritimes Friday into Saturday. High pressure builds to the south and west Saturday night through Sunday. The high will give way to a cold front on Monday. High pressure returns Tuesday into Wednesday. Near term until 6 pm this evening Adjusted rain chances and amounts during the daytime hours based on latest radar obs. Expecting rain for most of the forecast area into early afternoon. Thereafter, just chances of rain east of the city, and occasional rain likely elsewhere. Rain will be mostly light to moderate. Any heavier downpour potential would be brief, and perhaps more likely to occur towards sunset as better lift and moisture convergence approach. It still appears that NE nj will likely fall short of ffg values, so no flash flood watches anticipated for now. Should any type of flooding occur before sundown, it would more likely be of nuisance poor drainage variety. Temperatures hold nearly steady in the 40s. Short term 6 pm this evening through 6 pm Friday The storm system will get further north by late Friday night, especially after 9z, and this is when the rain will taper off from southwest to northeast. A tongue of drier air will wrap in quickly behind the departing low during the mid morning on Friday. The winds will pick up more noticeably towards the late morning, and especially during the afternoon. Downsloping flow may allow temperatures to hover around 50 momentarily into the early afternoon, but then the CAA will get going and temperatures will trail off late in the day and into Friday evening. An strong spoke of upper level energy will dive into the departing storm system and give it another jolt. At this point the storm will be too far north to impact the region in terms of any meaningful precipitation, but the storm will intensify rapidly in the gulf of maine late on Friday and this will lead to increasing winds due to an increasing pressure gradient developing over the region. Long term Friday night through Wednesday An anomalous upper low with 500 mb height anomalies 2 to 3 standard deviations below normal moves across the northeast Friday night. The upper low will lift towards the canadian maritimes on Saturday. The main surface low pressure, around 980 mb, is progged to be near maine Friday night. The surface gets captured by the deep upper low Saturday morning as the system slowly moves the canadian maritimes. As the upper low moves across the region Friday night, a few showers |
cannot be ruled out. Temperature profiles north and west of the city support the possibility of a few snow showers. The other story will be strengthening NW winds Friday night into Saturday as the pressure gradient tightens between the departing low and building high pressure to the west. Expect sustained winds 15 to 25 mph with gusts 30 to 40 mph late Friday night. Sustained winds may increase a bit Saturday morning to 20-30 mph and gusts could reach 40-45 mph, especially at the coast. Thinking the winds should stay under advisory levels at most locations. Forecast winds in the mixed layer per NAM and GFS bufkit profiles are strongest Saturday morning, with weakening winds in the afternoon. This should translate to weaker sustained winds and gusts 30-35 mph in the afternoon. The pressure gradient continues to weaken Saturday night into Sunday as surface high builds to our south and west. Upper ridging attempts to build across the ohio valley, but the height field gets suppressed from another upper low diving south out of southeast canada. This upper low ultimately stays well to our north and east, but will send a shortwave and its attendant cold front towards the region on Monday. Models have come into somewhat better agreement on a wave of low pressure developing on the front Monday evening as it moves off the new england coast. The front brings with it a chance of showers Monday afternoon and evening. There is also support aloft from a strong upper jet across northern new england. Have increased pops to high chance for now. The front moves offshore Monday night with the upper trough axis following on Tuesday. There is good agreement for sprawling high pressure to settle over the eastern states for the middle week with ridging building aloft. Temperatures will be below normal in the 40s on Saturday, but then will moderate into the 50s on Sunday and Monday. Temperatures drop back below normal Tuesday into Wednesday. Aviation 16z Thursday through Monday Low pressure approaches from the south today and passes overhead late tonight. Easterly winds increase thru this afternoon. Speeds increase to 14-20 kt late today and this evening with gusts 20-25 kt. These easterly winds back around to the NE N overnight. Low level wind shear is expected this evening for most coastal terminals as a 40 to 50 kt jet moves into the area at 1-2 kft. Ceilings could bounce between 2-4 kft today. However, kgon could remain rain free andVFR through most of the afternoon. Rain becomes steadier thru the day, slowly expanding east late this aftn and eve. MVFR ceilings lower to ifr late in the day or this evening. These lowering conditions persist tonight, with lifr possible in spots. Ny metro enhanced aviation weather support... detailed information, including hourly TAF wind component forecasts, can be found at: http: |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| BRHC3 - 8467150 - Bridgeport, CT | 14 mi | 63 min | E 8 G 11 | 43°F | 40°F | 1020.1 hPa | ||
| KPTN6 - 8516945 - Kings Point, NY | 27 mi | 57 min | ENE 5.1 G 6 | 42°F | 40°F | 1020.2 hPa | ||
| NWHC3 - 8465705 - New Haven, CT | 30 mi | 57 min | E 5.1 G 9.9 | 44°F | 41°F | 1021 hPa | ||
| BATN6 - 8518750 - The Battery, NY | 42 mi | 57 min | 46°F | 42°F | 1018.5 hPa | |||
| ROBN4 - 8530973 - Robins Reef, NJ | 46 mi | 57 min | E 13 G 16 | 47°F | 1019.1 hPa |
Wind History for Bridgeport, CT
(wind in knots) EDIT (on/off) Help| 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | |
| Last 24hr | S | SE G10 | SE | SE G11 | S G12 | S G16 | S G13 | SW G11 | S | SW G7 | S | E | NE | N | NE | NE | E G8 | E | E | E G8 | E G11 | E G10 | E G11 | E G12 |
| 1 day ago | S G13 | SW G14 | S G14 | S G11 | W G10 | NW G14 | NW G10 | NW | NW | NE | NE | W | N | N | N | N | N | N | N | N | N | SE | SE | SW |
| 2 days ago | S G11 | S G15 | S | W G9 | W G14 | NW G13 | NW G10 | NW G11 | NW | W | NW | N | N | N | N | N | N | N | S | -- | N | NW | SE | S |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Bridgeport, Sikorsky Memorial Airport, CT | 16 mi | 23 min | ENE 12 | 10.00 mi | Light Rain | 42°F | 37°F | 85% | 1020.1 hPa |
| White Plains - Westchester County Airport, NY | 16 mi | 19 min | E 7 | 8.00 mi | Light Rain | 43°F | 39°F | 89% | 1018.9 hPa |
| Danbury, Danbury Municipal Airport, CT | 19 mi | 22 min | E 7 | 10.00 mi | Light Rain | 42°F | 37°F | 85% | 1019.9 hPa |
Wind History from HPN (wind in knots)
| 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | |
| Last 24hr | SW G16 | S G18 | S | S G18 | S G17 | S | S | S | S | S | SE | Calm | Calm | Calm | E | E | E | NE | E | E G17 | E | E | E | E |
| 1 day ago | NW G14 | NW | NW | NW G19 | NW | NW | NW | NW | Calm | SE | Calm | Calm | Calm | NW | NW | Calm | Calm | Calm | Calm | Calm | S | S | S | S |
| 2 days ago | NW | NW | NW | NW | W | NW | NW | Calm | Calm | Calm | NW | Calm | NW | NW | NW | NW | W | NW | W | NW | NW | NW | W | W |
Tide / Current Tables for South Norwalk, Connecticut
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of DataSouth Norwalk
Click for Map
Thu -- 06:23 AM EDT -1.37 feet Low Tide
Thu -- 06:55 AM EDT Sunrise
Thu -- 07:35 AM EDT Moonset
Thu -- 12:26 PM EDT 8.20 feet High Tide
Thu -- 06:46 PM EDT -1.19 feet Low Tide
Thu -- 07:06 PM EDT Sunset
Thu -- 08:00 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 06:23 AM EDT -1.37 feet Low Tide
Thu -- 06:55 AM EDT Sunrise
Thu -- 07:35 AM EDT Moonset
Thu -- 12:26 PM EDT 8.20 feet High Tide
Thu -- 06:46 PM EDT -1.19 feet Low Tide
Thu -- 07:06 PM EDT Sunset
Thu -- 08:00 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 8.3 | 7.6 | 6 | 3.9 | 1.7 | -0.2 | -1.3 | -1.1 | 0.3 | 2.5 | 4.8 | 6.9 | 8.1 | 8 | 6.8 | 4.8 | 2.6 | 0.6 | -0.8 | -1.2 | -0.2 | 1.8 | 4.1 | 6.4 |
Tide / Current Tables for Stamford, Connecticut (2)
EDIT (on/off) Help One Week of DataStamford
Click for Map
Thu -- 06:16 AM EDT -1.42 feet Low Tide
Thu -- 06:56 AM EDT Sunrise
Thu -- 07:35 AM EDT Moonset
Thu -- 12:20 PM EDT 8.36 feet High Tide
Thu -- 06:39 PM EDT -1.24 feet Low Tide
Thu -- 07:07 PM EDT Sunset
Thu -- 08:01 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 06:16 AM EDT -1.42 feet Low Tide
Thu -- 06:56 AM EDT Sunrise
Thu -- 07:35 AM EDT Moonset
Thu -- 12:20 PM EDT 8.36 feet High Tide
Thu -- 06:39 PM EDT -1.24 feet Low Tide
Thu -- 07:07 PM EDT Sunset
Thu -- 08:01 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 8.4 | 7.7 | 5.9 | 3.7 | 1.4 | -0.4 | -1.4 | -1.1 | 0.5 | 2.8 | 5.2 | 7.2 | 8.3 | 8.1 | 6.7 | 4.7 | 2.4 | 0.4 | -1 | -1.2 | -0 | 2 | 4.5 | 6.7 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES 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 (12,3,4,5)
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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 numerious 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. |