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Marine Weather and Tides
Version 3.4 |
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues. 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. |
| Sunrise 6:14AM | Sunset 7:47PM | Sunday April 22, 2018 2:05 PM EDT (18:05 UTC) | Moonrise 11:03AM | Moonset 12:47AM | Illumination 49% |  |
Marine Forecasts
EDIT (on/off) Help| ANZ543 Tangier Sound And The Inland Waters Surrounding Bloodsworth Island- 133 Pm Edt Sun Apr 22 2018 .small craft advisory in effect from Monday afternoon through late Monday night... This afternoon..S winds 5 to 10 kt. Waves 1 ft or less. Tonight..SE winds 5 to 10 kt. Waves 1 ft. Mon..SE winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 to 2 ft. Mon night..E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain. Tue..E winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. Rain. Tue night..SE winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft. Rain. Wed..W winds 5 to 10 kt. Waves 1 ft. Rain in the morning, then a chance of showers. Thu..SW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning. | ANZ500 133 Pm Edt Sun Apr 22 2018 Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will remain centered over the great lakes region through tonight before moving off the new england coast Monday. An area of low pressure over the deep south will approach the region mid week. Small craft advisories may be needed Tuesday. |
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 221745 afdakq area forecast discussion national weather service wakefield va 145 pm edt Sun apr 22 2018 Synopsis High pressure remains centered just off the mid atlantic coast through tonight. Low pressure will track from the gulf coast states northeast up along the east coast late Monday through midweek. Near term through tonight As of 1025 am edt Sunday... latest sfc analysis shows ~1030 mb high pressure centered just offshore. The high also extends up into the great lakes region. To the west, a potent upper level closed low continues to slide slowly east across the southern plains toward the lower mississippi river valley, with an inverted surface trough developing over the west-central gulf coast region. Late morning msas data showing pressure falls over the deep south, in the vicinity of developing sfc low pressure in E louisiana into ms. It is this feature that will slowly lift our way tonight through Monday, bringing increasing rain chances later Monday evening through midweek. For today, noting some increasing high cirrus over northern portions of the area. Will continue to see mid to high clouds increase through the afternoon, especially inland. However, will nonetheless see another dry, pleasant day with comfortable temperatures. Nudged high temps up slightly for the afternoon, mainly in the upper 50s to low 60s along the immediate coast to upper 60s to around 70 inland. Local area remains under the influence of sfc high pressure positioned just off the coast. Another dry night with any pcpn staying well w-sw of the local area. Expect a partly cloudy sky with low temps ranging through the 40s. Short term Monday through Tuesday As of 350 am edt Sunday... unsettled wx pattern shaping up this week as low pressure ejects east from the nations mid section and into the tenn valley by late mon. Models prog a potent SRN stream S W around the base of the long wave trof Mon night then move it NE to near the carolina coast tue. This keeps the local area on the cooler side of this system with a general rain expected to overspread the area. Keeping most of Mon dry except for some low chc pops after 18z across the far swrn zones. Otw, bcmg cloudy with highs in the 60s except for upr 50s at the beaches. Rain overspreads the fa mon night except for the lwr md ERN shore where it may take until 12z Tue to reach. Pops ramp up to categorical south of i64, likely-chc pops to the north. Lows Mon night mid 40s NW to mid 50s se. Tue looks wet with cat likely pops throughout the day. Enough lift gulf of mexico moisture noted for some areas of mdt to heavy rain. Highs Tue upr 50s NW to mid 60s se. Long term Tuesday night through Saturday As of 350 pm edt Saturday... after the main area of rain exits the region between 6-12z Wednesday, we should see enough sunshine for temperatures to warm up to around 70 Wed pm. 21 12z gfs ECMWF have showers lingering |
throughout the day on wed, so kept pops between 50-60%. GFS even hints at the possibility of a few thunderstorms Wed afternoon. Most recent guidance has backed off on the rain Thursday-Friday am. Ecmwf has the most qpf, and the best chance of rain looks to be over southern eastern portions of the cwa. Thus, have lowered pops to below 30%. Highs between 68-74 lows around 50 expected thu-fri. A potent 500mb shortwave is forecast to track over the northeastern us Friday into the weekend. This will set the stage for another chance of rain late Friday-Saturday as well as another shot of below average temperatures. Still quite a bit of uncertainty regarding the strength timing of this storm system. Highs in the 60s on Saturday with lows dropping into the 40s Sunday am. Aviation 18z Sunday through Friday As of 145 pm edt Sunday... vfr through the 18z TAF period. Expect E SE winds at 5-10 kt this afternoon. Few CU possible at ~5k feet through 22-23z for ric sby ecg. High clouds gradually lower after 12z Monday from SW to ne. Winds increase out of the E to 10-15 kt during the day Monday. Outlook: expect conditions to deteriorate from SW to NE Monday night as a large area of rain approaches the cwa. This will result in flight restrictions throughout the day Tuesday at all terminals. Restrictions will likely last through ~12z Wed before conditions slowly improve during the day. Winds remain E for all sites at ~10 kt through 9z tue. East winds increase to between 15-20 kt (gusts to ~25 kt) at orf phf sby ecg during the day on Tue and last through 0z wed. Slightly lower winds (e at 10-15 kt) expected at ric during this timeframe. Winds decrease after 00z Wed and turn to the SW by Wed afternoon. Marine As of 350 am edt Sunday... high pressure centered over new england and atlantic canada will prevail across the region today. A S SW wind of 5-10kt this morning will become SE by this aftn. High pressure pushes off the srn new england coast Monday and Tuesday as low pressure lifts from the deep south into the tennessee valley. This will result in increasing onshore flow. An E wind is expected to reach 10-15kt by Monday, and then 15-25kt by late Monday night Tuesday Tuesday evening, with the potential for 25-30kt S of the va nc border Tuesday. Onshore flow will result in seas building to 5-9ft Tuesday Tuesday night, with 4-6ft waves in the mouth of the bay (3- 5ft elsewhere in the bay). Broad low pressure crosses the region Wednesday with the wind becoming NW in the wake of the low. A cold front approaches from the W later in the week. Akq watches warnings advisories Md... None. Nc... None. Va... None. Marine... None. Synopsis... Mas near term... Mas mam short term... Mas mpr long term... Eri aviation... Eri marine... Ajz |
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 | 47 min | ESE 4.1 G 5.1 | 56°F | 59°F | 1029.9 hPa | ||
| 44042 - Potomac, MD | 28 mi | 35 min | SE 9.7 G 12 | 55°F | 1030.7 hPa | |||
| WAHV2 - 8631044 - Wachapreague, VA | 31 mi | 47 min | SE 8 G 9.9 | 55°F | 57°F | 1030.2 hPa | ||
| 44089 | 32 mi | 65 min | 51°F | 1 ft | ||||
| LWTV2 - 8635750 - Lewisetta, VA | 35 mi | 47 min | SE 9.9 G 14 | 59°F | 56°F | 1028.8 hPa | ||
| RPLV2 - 8632837 - Rappahannock Light, VA | 37 mi | 47 min | S 8 G 8 | 1030.3 hPa | ||||
| SLIM2 - 8577330 - Solomons Island, MD | 39 mi | 47 min | ESE 8.9 G 9.9 | 55°F | 53°F | 1029 hPa | ||
| PPTM2 - 8578240 - Piney Point, MD | 39 mi | 47 min | SE 12 G 13 | |||||
| COVM2 - 8577018 - Cove Point LNG Pier, MD | 39 mi | 47 min | S 8 G 9.9 | 53°F | 1030 hPa | |||
| CA2 - 8571892 - Cambridge, MD | 39 mi | 47 min | 62°F | 56°F | 1030 hPa | |||
| OCIM2 - 8570283 - Ocean City Inlet, MD | 42 mi | 47 min | E 7 G 12 | 52°F | 50°F | 1030.7 hPa | ||
| 44062 - Gooses Reef, MD | 48 mi | 35 min | Calm G 1.9 | 56°F | 1030.3 hPa |
Wind History for Bishops Head, MD
(wind in knots) EDIT (on/off) Help| 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 | 1 PM | |
| Last 24hr | SW | SW | SW | SW | SW | SE | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | NW | NE | SE | SE | SE |
| 1 day ago | NW G17 | W G13 | W G15 | NW G17 | NW G16 | N G11 | N | N | NW | W | N | NE G15 | NE G15 | NE G16 | NE | NE | NE G10 | NE G9 | NE G9 | N G8 | N | NE | SW | SW |
| 2 days ago | NW G28 | NW G18 | NW G23 | NW G33 | NW G28 | NW G32 | NW G32 | NW G33 | NW G24 | NW G23 | NW G13 | NW G22 | NW G24 | NW G22 | NW G19 | NW G16 | NW | NW G19 | NW G19 | NW G17 | NW G22 | NW G21 | NW G20 | NW G18 |
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 | 71 min | SSE 9 | 10.00 mi | Fair | 61°F | 46°F | 60% | 1029.8 hPa |
Wind History from WAL (wind in knots)
| 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 | 1 PM | |
| Last 24hr | S | S | S | S | S | S | S | SW | SW | SW | S | SW | W | Calm | Calm | W | W | Calm | Calm | W | E | NE | E | SE |
| 1 day ago | NW G20 | NW G21 | NW G21 | NW G20 | NW | NW G17 | N | Calm | SE | S | Calm | Calm | NW | N | N | N | N | N | N | N | N | E | SE | |
| 2 days ago | W | NW G34 | NW | NW G23 | NW G27 | NW G25 | NW G29 | NW G26 | NW | NW G20 | NW G19 | NW | W | NW | NW | NW | NW | NW G18 | NW | NW | NW | NW G19 | NW G22 | NW G18 |
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 Sun -- 01:08 AM EDT 0.10 feet Low Tide Sun -- 01:46 AM EDT Moonset Sun -- 06:18 AM EDT Sunrise Sun -- 07:05 AM EDT 2.37 feet High Tide Sun -- 12:02 PM EDT Moonrise Sun -- 02:02 PM EDT 0.14 feet Low Tide Sun -- 05:46 PM EDT First Quarter Sun -- 07:39 PM EDT 1.99 feet High Tide Sun -- 07:45 PM EDT Sunset 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 |
| 0.3 | 0.1 | 0.2 | 0.6 | 1.1 | 1.7 | 2.2 | 2.4 | 2.3 | 2 | 1.6 | 1.1 | 0.6 | 0.3 | 0.1 | 0.3 | 0.6 | 1.1 | 1.6 | 1.9 | 2 | 1.8 | 1.6 | 1.2 |
Tide / Current Tables for Salisbury, Maryland (2 miles below) Current
EDIT (on/off) Help One Week of Data| Salisbury Click for Map Sun -- 01:46 AM EDT Moonset Sun -- 02:57 AM EDT 0.00 knots Slack Sun -- 05:52 AM EDT 0.68 knots Max Flood Sun -- 06:17 AM EDT Sunrise Sun -- 09:37 AM EDT -0.00 knots Slack Sun -- 12:01 PM EDT Moonrise Sun -- 12:59 PM EDT -0.84 knots Max Ebb Sun -- 04:30 PM EDT 0.00 knots Slack Sun -- 05:46 PM EDT First Quarter Sun -- 06:51 PM EDT 0.41 knots Max Flood Sun -- 07:45 PM EDT Sunset Sun -- 09:49 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 |
| -0.8 | -0.7 | -0.4 | 0 | 0.4 | 0.6 | 0.7 | 0.6 | 0.4 | 0.2 | -0.1 | -0.5 | -0.7 | -0.8 | -0.7 | -0.5 | -0.2 | 0.1 | 0.3 | 0.4 | 0.3 | 0.2 | -0 | -0.4 |
Weather Map and Satellite Images
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GOES Local Image of Mid-Atlantic 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.
target = "new">Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Wakefield, VA (14,3,4,5)
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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. |