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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:15AM | Sunset 7:40PM | Sunday August 25, 2019 7:00 AM EDT (11:00 UTC) | Moonrise 12:49AM | Moonset 3:57PM | Illumination 26% |  |
ANZ450 Coastal Waters From Sandy Hook To Manasquan Inlet Nj Out 20 Nm- Coastal Waters From Manasquan Inlet To Little Egg Inlet Nj Out 20 Nm- 619 Am Edt Sun Aug 25 2019
.small craft advisory in effect through Monday evening...
Today..NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. SWell mainly from the E with a dominant period of 6 seconds. A slight chance of showers and drizzle.
Tonight..NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. SWell mainly from the ne with a dominant period of 7 seconds.
Mon..NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. SWell mainly from the ne with a dominant period of 8 seconds.
Mon night..E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. SWell mainly from the ne with a dominant period of 8 seconds.
Tue..E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.
Tue night..E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft.
Wed..E winds around 5 kt. Seas 3 to 4 ft.
Wed night..S winds around 5 kt, becoming W after midnight. Seas 3 to 4 ft. A chance of showers and tstms.
Thu..NW winds 5 to 10 kt. Seas around 3 ft. A chance of showers in the morning.
Thu night..W winds around 5 kt. Seas around 3 ft. Winds and seas higher in and near tstms.
.small craft advisory in effect through Monday evening...
Today..NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. SWell mainly from the E with a dominant period of 6 seconds. A slight chance of showers and drizzle.
Tonight..NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. SWell mainly from the ne with a dominant period of 7 seconds.
Mon..NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. SWell mainly from the ne with a dominant period of 8 seconds.
Mon night..E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. SWell mainly from the ne with a dominant period of 8 seconds.
Tue..E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.
Tue night..E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft.
Wed..E winds around 5 kt. Seas 3 to 4 ft.
Wed night..S winds around 5 kt, becoming W after midnight. Seas 3 to 4 ft. A chance of showers and tstms.
Thu..NW winds 5 to 10 kt. Seas around 3 ft. A chance of showers in the morning.
Thu night..W winds around 5 kt. Seas around 3 ft. Winds and seas higher in and near tstms.
ANZ400 619 Am Edt Sun Aug 25 2019
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure located across new england and southeast canada will weaken through Tuesday. Low pressure will move into ontario and cause a cold front to cross our area during the middle of the upcoming week. More high pressure will arrive for Thursday and Friday. Another front may affect the weather next weekend.
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure located across new england and southeast canada will weaken through Tuesday. Low pressure will move into ontario and cause a cold front to cross our area during the middle of the upcoming week. More high pressure will arrive for Thursday and Friday. Another front may affect the weather next weekend.
7 Day Forecast for Marine Location Near Deal , NJ
Hourly EDIT Helplocation: 40.25, -73.92 debug
Area Discussion for - Philadelphia/Mount Holly, PA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kphi 251042 afdphi area forecast discussion national weather service mount holly nj 642 am edt Sun aug 25 2019 Synopsis High pressure located across new england and southeast canada will weaken through Tuesday. Low pressure will move into ontario and cause a cold front to cross our area during the middle of the upcoming week. More high pressure will arrive for Thursday and Friday. Another front may affect the weather next weekend. Near term until 6 pm this evening 630 am update: no changes to the forecast at this time. Temperatures and sky cover are a little chaotic, but the grids have the general idea at this point. Previous discussion... models have really struggled with the evolution of a midlevel vortex atop the northeast this weekend. The mid upper low is quite a bit farther south than yesterday's simulations were suggesting, and it has been slower to move eastward as well. This has had subtle but important effects on surface flow and may have noticeable impacts on the weather today, especially near the coast. For starters, winds have been slow to develop a more easterly component. Most surface observations early this morning are between 340 and 30 degrees, which is not very conducive for a surge inland of lower clouds and drizzle light showers. Radar indicates some sprinkles or light showers off the new jersey coast early this morning, but these have shown little progress inland. As the upper low presumably shifts eastward today, the surface high to our north northeast should as well. As this occurs, winds will veer to a more east-northeast direction, which should begin to allow lower clouds and possibly some light precipitation to move inland. Nevertheless, I am suspicious that the models are overdoing the precipitation in general, so I have lowered pops from the previous forecast. Regarding cloud cover, the models have also struggled with the scattered-broken midlevel clouds across the area early this morning, so have bumped sky cover from the previous forecast accordingly. These have had some effect on radiational cooling (at least in an hour-by-hour sense), but have not had too much impact on the overall low temperatures forecast early this morning, except in the far northwest CWA (where cloud cover has noticeably restricted a sharper temperature drop). With these trends in mind, felt that a continuity forecast for today was appropriate. Should see some gradient from east to west this afternoon, especially with the onshore flow, but the degree to which this occurs is uncertain given the above discussion. Statistical consensus did a reasonable job yesterday but may perform a little worse today owing to the projected increased effects of sky cover and onshore flow. Nevertheless, confidence is just not there to make too many deviations from these values owing to the model errors observed so far. All of the above said, it should be a sufficiently nice day to get outside and enjoy the cooler conditions! Short term 6 pm this evening through 6 am Monday As discussed yesterday, models are still showing a shift southward in the strongest low-level moisture fetch from the ocean during the overnight hours. This should occur in conjunction with ageostrophic southward acceleration of flow east of the higher terrain, inducing higher pressure farther to the south overnight. Have continued to depict this in the forecast, though my caveats regarding the overly aggressive model generation of precipitation remain. As such, lowered pops about 5-10 percent for the tonight period, with the highest pops on the atlantic coast with negligible pops northwest of a dover to sandy hook line. Additionally, there may be some improvement in sky condition during the evening hours (especially the farther north and west you go), with a resurgence of lower clouds past midnight. Effects on temperatures may be more pronounced than what has been seen early this morning, with the north west CWA probably verifying colder than model consensus and the south east CWA probably verifying warmer. Have made some adjustments to the low-temperature forecast with these effects in mind; however, the forecast is reasonably close to continuity. Long term Monday through Saturday The maritime airmass across the area, resulting from the onshore flow behind the retreating high, will continue early this week. This will produce some low clouds and some light precipitation near the coastal areas. Variable cloud cover will be found further inland across ERN pa and NRN nj. Temperatures both days will be a little below normal for late august. Temperatures will return to near normal Wednesday when a cold front approaches the area. A batch of showers and tstms will accompany the front with rainfall totals of 1 2 to 1 inch possible. We have |
mostly chc pops in the fcst for now, since the models haven't fully decided if the FROPA will be during the day or overnight into thu morning. Some fine tuning will occur once the models come into better agreement. Late this week, high pressure from the W SW will build back across the area. A drier and slightly warmer airmass will return to the middle atlantic. Highs will become above normal with some upper 80s arriving to the area. Aviation 12z Sunday through Thursday The following discussion is for kphl, kpne, kttn, kabe, krdg, kilg, kmiv, kacy and surrounding areas. Through tonight... MainlyVFR, with CIGS generally hovering around 4000-8000 feet. Cannot rule out periods of MVFR at miv acy (closer to the coast), where onshore flow will be stronger, but not confident enough to include in the tafs at this time. Winds becoming east-northeast 5 to 15 kt with gusts to 20 kt possible, especially at miv acy. Outlook... mon tue... MostlyVFR, but some low clouds and light precipitation possible near the shore. MVFR ifr possible there. Wed... MVFR possible with some showers tstms. Thu... MostlyVFR expected. Marine Advisory conditions are expected to persist through tonight on the waters, with seas already around 5 feet at buoy 44009, and wind gusts meeting criteria on the beaches. Expect a slow trend upward with both through tonight, with gusts approaching 30 kt at times and seas building to 5 to 7 feet on the atlantic waters. Models have been too slow in building the ocean wave heights to this point, so have forecast conditions slightly higher than their simulations depict. If trends continue, could see seas build to 8 feet late tonight. Outlook... sca conditions will continue into Monday and perhaps maybe extended into Monday night at some later time. Sub-sca expected after that. Clouds and a chance for light showers Mon tue. A chance of showers tstms Wed wed night. Mostly fair thu. Rip currents... northeasterly winds in the 15 to 30 mph range and seas between 4 and 7 feet will result in a high risk of rip currents for the new jersey shore on Sunday with a moderate risk of rip currents expected for the delaware beaches. This elevated rip current risk is expected to persist until at least Tuesday as a prolonged period of onshore flow and elevated seas looks likely. Tides coastal flooding A prolonged period of northeast to east flow will continue through at least Tuesday. This persistent onshore fetch, combined with increasing astronomical tides due to an approaching new moon on Thursday, will likely lead to increasing coastal water levels. Some spotty minor coastal flooding is possible with this afternoon's evening's high tide, but better chances for more widespread minor- advisory-level flooding appear to be with the afternoon evening tides on Monday and Tuesday. Equipment The NWS radar at dover, de (kdox), is out of service at this time. The time when it will return is presently unknown. Phi watches warnings advisories Pa... None. Nj... High rip current risk through this evening for njz014-024>026. De... None. Md... None. Marine... Small craft advisory until 8 pm edt Monday for anz430-431- 450>455. Synopsis... O'hara near term... Cms short term... Cms long term... O'hara aviation... Cms o'hara marine... Cms o'hara tides coastal flooding... Cms mps o'hara equipment... O'hara |
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 |
| 44065 - Entrance to New York Harbor | 14 mi | 30 min | NE 19 G 25 | 67°F | 72°F | 1023.4 hPa | 60°F | |
| SDHN4 - 8531680 - Sandy Hook, NJ | 16 mi | 42 min | ENE 13 G 18 | 65°F | 76°F | 1023.8 hPa | ||
| BGNN4 - 8519483 - Bergen Point West Reach, NJ | 29 mi | 48 min | 65°F | 76°F | 1023.9 hPa | |||
| ROBN4 - 8530973 - Robins Reef, NJ | 29 mi | 42 min | NE 19 G 22 | 66°F | 1023.6 hPa | |||
| MHRN6 | 30 mi | 42 min | N 11 G 14 | |||||
| BATN6 - 8518750 - The Battery, NY | 32 mi | 42 min | 66°F | 75°F | 1023.8 hPa | |||
| 44091 | 34 mi | 30 min | 73°F | 6 ft | ||||
| 44025 - LONG ISLAND 33 NM South of Islip, NY | 40 mi | 70 min | NE 19 G 23 | 67°F | 69°F | 6 ft | 1022.3 hPa (+0.3) | |
| KPTN6 - 8516945 - Kings Point, NY | 40 mi | 42 min | E 8 G 12 | 65°F | 74°F | 1024.6 hPa | ||
| NBLP1 - 8548989 - Newbold, PA | 45 mi | 42 min | ENE 6 G 8 |
Wind History for Sandy Hook, NJ
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | NE G15 | N G12 | NE G13 | NE G11 | NE G13 | N G15 | N G14 | N G9 | N G14 | NW G11 | NE | NE | SE G8 | SE G8 | SE | SE | E | E G11 | E G18 | E G18 | NE G18 | NE G18 | NE G16 | NE G18 |
| 1 day ago | N G9 | N G10 | N G10 | N G11 | NE G10 | NW | SW G7 | W G8 | NW G9 | NW | N G9 | N | N G8 | N | NE G11 | NE G10 | NE G8 | N G11 | N G12 | N G13 | N G14 | NE G15 | NE G17 | NE G14 |
| 2 days ago | W | W G14 | W G13 | W G13 | W | W | W | W G11 | W | S | SE | S | S | W G5 | N G24 | N G9 | NE | NW | SW | NW | NW G12 | N G14 | N G13 | N |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Belmar-Farmingdale, NJ | 12 mi | 64 min | NE 10 | 10.00 mi | Mostly Cloudy | 65°F | 60°F | 84% | 1023.5 hPa |
Link to 5 minute data for KBLM
Wind History from BLM (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | N | N | N | NE | N | NW | N | NW | N | N | N | E | E | E | E | Calm | NE | NE | NE | NE | NE | NE | NE | |
| 1 day ago | NW | NW | NW | NW | N | NW | NW | NW | W | NW | NW | W | W | Calm | NW | NW | W | NW | NW | NW | NW | N | N | N |
| 2 days ago | W | W | W | W | W | W | SW | W | W | SW | W | SW | SW | SW | S | S | N | Calm | NW | NW | N | Calm | NW | W |
Tide / Current Tables for Long Branch (fishing pier), New Jersey
EDIT Weekend mode (on/off) (on/off) Help One Week of DataLong Branch (fishing pier)
Click for Map
Sun -- 12:49 AM EDT Moonrise
Sun -- 03:00 AM EDT 3.86 feet High Tide
Sun -- 06:16 AM EDT Sunrise
Sun -- 09:07 AM EDT 0.77 feet Low Tide
Sun -- 03:22 PM EDT 4.78 feet High Tide
Sun -- 03:56 PM EDT Moonset
Sun -- 07:38 PM EDT Sunset
Sun -- 10:17 PM EDT 0.70 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:49 AM EDT Moonrise
Sun -- 03:00 AM EDT 3.86 feet High Tide
Sun -- 06:16 AM EDT Sunrise
Sun -- 09:07 AM EDT 0.77 feet Low Tide
Sun -- 03:22 PM EDT 4.78 feet High Tide
Sun -- 03:56 PM EDT Moonset
Sun -- 07:38 PM EDT Sunset
Sun -- 10:17 PM EDT 0.70 feet Low Tide
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 |
| 2.5 | 3.2 | 3.7 | 3.9 | 3.6 | 3 | 2.1 | 1.4 | 1 | 0.8 | 0.9 | 1.6 | 2.6 | 3.7 | 4.4 | 4.8 | 4.7 | 4.2 | 3.3 | 2.4 | 1.7 | 1.1 | 0.7 | 0.8 |
Tide / Current Tables for Belmar, Atlantic Ocean, New Jersey
EDIT (on/off) Help One Week of DataBelmar
Click for Map
Sun -- 12:49 AM EDT Moonrise
Sun -- 02:51 AM EDT 3.90 feet High Tide
Sun -- 06:16 AM EDT Sunrise
Sun -- 08:58 AM EDT 0.77 feet Low Tide
Sun -- 03:13 PM EDT 4.83 feet High Tide
Sun -- 03:56 PM EDT Moonset
Sun -- 07:38 PM EDT Sunset
Sun -- 10:08 PM EDT 0.71 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:49 AM EDT Moonrise
Sun -- 02:51 AM EDT 3.90 feet High Tide
Sun -- 06:16 AM EDT Sunrise
Sun -- 08:58 AM EDT 0.77 feet Low Tide
Sun -- 03:13 PM EDT 4.83 feet High Tide
Sun -- 03:56 PM EDT Moonset
Sun -- 07:38 PM EDT Sunset
Sun -- 10:08 PM EDT 0.71 feet Low Tide
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 |
| 2.6 | 3.3 | 3.8 | 3.9 | 3.6 | 2.9 | 2 | 1.4 | 0.9 | 0.8 | 1 | 1.7 | 2.8 | 3.9 | 4.5 | 4.8 | 4.7 | 4.1 | 3.2 | 2.3 | 1.6 | 1 | 0.7 | 0.9 |
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 Philadelphia/Mount Holly, PA (7,2,3,4)
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Ground Weather Radar Station Philadelphia, PA
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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. |