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Marine Weather and Tides
Version 3.4 |
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported. 5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive. 5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds. |
| Sunrise 7:15AM | Sunset 6:19PM | Thursday October 19, 2017 5:20 AM EDT (09:20 UTC) | Moonrise 5:55AM | Moonset 5:40PM | Illumination 1% |  |
Marine Forecasts
EDIT (on/off) Help| ANZ543 Tangier Sound And The Inland Waters Surrounding Bloodsworth Island- 510 Am Edt Thu Oct 19 2017 .small craft advisory in effect from this evening through Friday morning... Today..SW winds 5 to 10 kt. Waves 1 ft. Tonight..SW winds 10 to 15 kt...becoming nw late. Gusts up to 20 kt. Waves 1 to 2 ft. Fri..NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Fri night..N winds 5 to 10 kt. Waves 1 ft. Sat..SE winds around 5 kt. Waves flat. Sat night..SE winds 5 to 10 kt. Waves 1 ft. Sun..S winds 5 to 10 kt. Waves 1 to 2 ft. Mon..S winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers through the night. | ANZ500 510 Am Edt Thu Oct 19 2017 Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will remain near the region for the rest of the week and into the weekend. A weak front will pass by to the north tonight before a stronger front approaches early next week. A small craft advisory may be needed for portions of the waters Monday. |
7 Day Forecast for Marine Location Near French-Rumbly, MD
Hourly EDIT Helplocation: 38.05, -75.8 debug
Area Discussion for - Wakefield, VA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kakq 190733 afdakq area forecast discussion national weather service wakefield va 333 am edt Thu oct 19 2017 Synopsis High pressure remains over the mid atlantic region through the weekend with temperatures gradually warming. The next cold front is expected to impact the region early next week. Near term until 6 pm this evening Sfc hi pres sits INVOF local area through today as a trough aloft (w possible sct-bkn ci) passes over the region and off the coast. Starting out chilly this morning... But not temperatures not as low as 24 hrs ago. Expecting abundant sunshine once again today... W light mainly ssw winds and highs 70-75f... Except u60s right near the coast. Short term 6 pm this evening through Saturday Sfc hi pres remains INVOF the local through Sat as ridge aloft builds reaches maximum amplitude. Other possible sct-bkn ci from time to time... Expecting skc W temperatures averaging above normal. Lows tonight in the m-u40s inland... L50s at the immediate coast. Highs Fri in the m-u70s... L70s right at the coast. Lows Fri night in the u40s-around 50f inland... To the l-m50s at the immediate coast. Highs Sat again in the m-u70s... L70s right at the coast. Long term Saturday night through Wednesday Sfc high pressure slides off the new england coast Sat night and continues to retreat to the E into early next week. Ridge axis associated with this feature will remain over the local area through most of Sun before moving offshore. Meanwhile, mid- upper level ridge axis remains centered along the east coast from the mid atlantic to the southeast through at least sun before shifting ewd offshore. A deep upper level trough spans the length of the mississippi river from the upper midwest to the gulf coast states sun... Becoming separated from its parent low (near WRN hudson bay in canada) by Sun night. Sfc cold front linking the separated upper lows to cross the midwest Sun sun night, ohio valley Mon mon night, and eventually cross the mid atlantic region Tue tue night. Overall forecast is dry until mon into Tue night with lingering showers possible wed. Thunderstorms may also be possible Mon aftn based on current arrival of precip, however this could change if the upper trough digs deeper and delays onset of precip into Mon night. Temperatures will be around 5-10 degrees above normal sat-mon |
night. Expect highs in the 70s. Lows will warm from the lower 50s most areas Sat night (mid- upper 50s beaches) to the lower 60s by Mon night. Highs closer to normal (69-75f) on Tue with widespread rain present. A much colder canadian airmass moves into the area behind the cold front beginning Tue night. Decent cold air advection paired with a tight pressure gradient will likely allow dewpoints to plummet while temperatures are slower to fall respond. Lows Tue night in the upper 40s to lower 50s inland and mid to upper 50s closer to the coast. Highs wed around 5-10 degrees below normal with readings in the lower 60s inland and in the mid 60s far SE va coastal NE nc. Aviation 08z Thursday through Monday Sfc hi pres remains over near the area into sun. An upper trough passes through the region through this evening then off the coast tonight.VFR mainly skc through the 06z TAF period and beyond (through the weekend). A cold front is expected to impact the region early next week. Marine A large area of high pressure will continue to impact our weather pattern today. Light winds (5-10 knots) and benign seas (generally around a foot over the bay, 2-3 feet over the ocean) are anticipated today. A weak cold front swings through the waters on Friday morning with a wind shift to the northwest and an increase in speed to 10 to 15 knots. The bump in winds will only be temporary as strong surface high reestablishes its control over the region for Saturday and Sunday with a return to benign conditions over area waters. The next chance for significant weather over the waters does not come until early next week as a strong cold front slowly moves across the region late Monday into Tuesday. Expect an increase in southerly winds ahead of the front and strong northwesterly winds behind the front. Akq watches warnings advisories Md... None. Nc... None. Va... None. Marine... None. Synopsis... Alb bmd near term... Alb short term... Alb long term... Bmd aviation... Alb tmg marine... Ajb ess |
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 |
| BISM2 - 8571421 - Bishops Head, MD | 17 mi | 51 min | SSW 7 G 8 | 62°F | 63°F | 1025.7 hPa | ||
| 44042 - Potomac, MD | 28 mi | 181 min | SSW 9.7 G 12 | 61°F | 1025.6 hPa | |||
| WAHV2 - 8631044 - Wachapreague, VA | 31 mi | 51 min | Calm G 0 | 49°F | 62°F | 1025.8 hPa | ||
| 44089 | 32 mi | 51 min | 68°F | 3 ft | ||||
| LWTV2 - 8635750 - Lewisetta, VA | 35 mi | 51 min | WSW 4.1 G 5.1 | 54°F | 64°F | 1025.5 hPa | ||
| RPLV2 - 8632837 - Rappahannock Light, VA | 37 mi | 51 min | SSE 6 G 7 | 1026.3 hPa | ||||
| SLIM2 - 8577330 - Solomons Island, MD | 39 mi | 51 min | SW 8 G 8.9 | 58°F | 69°F | 1025.2 hPa | ||
| PPTM2 - 8578240 - Piney Point, MD | 39 mi | 51 min | WSW 9.9 G 11 | |||||
| COVM2 - 8577018 - Cove Point LNG Pier, MD | 39 mi | 51 min | SW 8 G 11 | 58°F | 1026.1 hPa | |||
| CA2 - 8571892 - Cambridge, MD | 39 mi | 51 min | 51°F | 67°F | 1026.2 hPa | |||
| OCIM2 - 8570283 - Ocean City Inlet, MD | 42 mi | 51 min | W 1.9 G 1.9 | 55°F | 64°F | 1026.2 hPa | ||
| 44062 - Gooses Reef, MD | 48 mi | 181 min | W 12 G 12 | 62°F | 1026 hPa |
Wind History for Bishops Head, MD
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | |
| Last 24hr | N | E | N | N | NW | NW | W G7 | W | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | SW |
| 1 day ago | N G19 | N G16 | N G17 | N G18 | N G18 | N G15 | N G13 | NE G7 | NE | W | S | W | N G4 | N | N | N | NE | E | E | SE | S | -- | ||
| 2 days ago | NW G20 | N G20 | N G16 | N G12 | NW | NW G10 | NW | N G13 | NW | NW G16 | NW G22 | NW G20 | N G16 | N G10 | N | N G9 | NE G12 | N G12 | N | N | N | N G13 | NE G20 | NE G20 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Wallops Flight Facility Airport, VA | 19 mi | 27 min | N 0 | 10.00 mi | Fair | 45°F | 45°F | 100% | 1025.7 hPa |
Wind History from WAL (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | |
| Last 24hr | NW | Calm | Calm | N | N | NW | Calm | SE | S | S | SW | Calm | Calm | Calm | Calm | Calm | W | Calm | NW | Calm | Calm | Calm | ||
| 1 day ago | NW | N | N | N | N G18 | NE | N | NE G14 | NE | E | E | E | NE | Calm | Calm | NW | Calm | NW | Calm | W | Calm | NW | W | Calm |
| 2 days ago | W | N G24 | N | N | N | N | NW | NW | N | NW | NW G15 | NW | N | NW | N | N | NW | NW | NW | N | N | N | N | N |
Tide / Current Tables for Long Point, Big Annemessex River, Chesapeake Bay, Maryland
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Long Point Click for Map Thu -- 01:36 AM EDT 2.43 feet High Tide Thu -- 06:54 AM EDT Moonrise Thu -- 07:16 AM EDT Sunrise Thu -- 08:02 AM EDT 0.07 feet Low Tide Thu -- 01:59 PM EDT 2.68 feet High Tide Thu -- 03:12 PM EDT New Moon Thu -- 06:19 PM EDT Sunset Thu -- 06:39 PM EDT Moonset Thu -- 08:36 PM EDT 0.12 feet Low Tide Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 2.1 | 2.4 | 2.4 | 2.2 | 1.8 | 1.2 | 0.6 | 0.2 | 0.1 | 0.2 | 0.7 | 1.4 | 2.1 | 2.5 | 2.7 | 2.6 | 2.2 | 1.6 | 1 | 0.5 | 0.2 | 0.1 | 0.4 | 1 |
Tide / Current Tables for Salisbury, Maryland (2 miles below) Current
EDIT (on/off) Help One Week of Data| Salisbury Click for Map Thu -- 12:31 AM EDT 0.64 knots Max Flood Thu -- 03:36 AM EDT -0.00 knots Slack Thu -- 06:53 AM EDT Moonrise Thu -- 07:01 AM EDT -0.90 knots Max Ebb Thu -- 07:15 AM EDT Sunrise Thu -- 10:00 AM EDT 0.00 knots Slack Thu -- 12:48 PM EDT 0.76 knots Max Flood Thu -- 03:12 PM EDT New Moon Thu -- 04:00 PM EDT -0.00 knots Slack Thu -- 06:18 PM EDT Sunset Thu -- 06:38 PM EDT Moonset Thu -- 07:27 PM EDT -0.98 knots Max Ebb Thu -- 10:39 PM EDT 0.00 knots Slack Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 0.6 | 0.6 | 0.5 | 0.2 | -0.2 | -0.5 | -0.8 | -0.9 | -0.8 | -0.5 | 0 | 0.4 | 0.7 | 0.8 | 0.6 | 0.4 | 0 | -0.4 | -0.8 | -1 | -0.9 | -0.7 | -0.3 | 0.1 |
Weather Map and Satellite Images
(on/off) HelpWeather Map | IR Satellite Image from GEOS GOES Local Image of Mid-Atlantic EDIT  |
Wind Forecast for Wakefield, VA (5,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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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. |