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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 6:00AM | Sunset 8:23PM | Thursday July 20, 2017 6:44 PM EDT (22:44 UTC) | Moonrise 2:13AM | Moonset 4:43PM | Illumination 8% |  |
Marine Forecasts
EDIT (on/off) Help| ANZ632 Chesapeake Bay From New Point Comfort To Little Creek Va- 407 Pm Edt Thu Jul 20 2017 Through 7 pm..S winds 10 kt. Waves 1 to 2 ft. Tonight..SW winds 10 to 15 kt. Waves 1 to 2 ft. Fri..SW winds 10 to 15 kt...becoming S 5 to 10 kt in the late morning and afternoon. Waves 1 to 2 ft. Fri night..SW winds 5 to 10 kt. Waves 1 foot. Sat..S winds 5 to 10 kt. Waves 1 foot. Sat night..SW winds 5 to 10 kt...increasing to 10 to 15 kt late. Waves 1 to 2 ft. A chance of showers and tstms until early morning. Sun..SW winds 10 to 15 kt. Waves 1 to 2 ft. Sun night..SW winds 10 to 15 kt. Waves around 2 ft. A chance of showers. Mon..SW winds 10 kt. Waves 1 foot. A chance of showers and tstms in the afternoon. Mon night..SW winds 10 kt. Waves 1 foot. A chance of tstms in the evening. A chance of showers. Tue..NW winds 5 to 10 kt...becoming ne in the afternoon. Waves 1 foot. A chance of showers. A chance of tstms in the afternoon. Winds and waves higher and visibilities lower in and near tstms. | ANZ600 407 Pm Edt Thu Jul 20 2017 Synopsis for fenwick island de to currituck beach light nc out 20 nautical miles including virginia portion of the chesapeake bay currituck sound and portions of the james, york, and rappahannock rivers.. High pressure remains over the western atlantic as a persistent trough lingers over central virginia through the weekend. A weakening cold front approaches the waters Monday night. |
7 Day Forecast for Marine Location Near Gloucester Courthouse, VA
Hourly EDIT Helplocation: 37.35, -76.63 debug
Area Discussion for - Wakefield, VA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kakq 202028 afdakq area forecast discussion national weather service wakefield va 428 pm edt Thu jul 20 2017 Synopsis High pressure builds toward the mid atlantic today into the weekend, bringing increasingly hot and humid conditions to the area. The hottest weather can be expected from Friday through Sunday. Near term through Friday Current analysis indicates a weak sfc lee trough of low pressure located from nj... Ssw to south central va and central nc. The trough of low pressure aloft is now situated south of the CWA and centered along the sc ga coast. Skies avg partly to mostly sunny across the area this aftn with temperatures generally ranging from 90 to 95 f along and near the coast with mid to upper 90s over metro ric. Dew pts have again mixed out enough over the hottest locales such that heat indices this aftn are genly only around 100 f or slightly higher overall. Seeing a few isolated showers tstms across mainly the far N and will keep 20% pops there through 7pm, otherwise mainly dry overnight (earlier convection over oh in has weakened and seems unlikely to hold together as a weak wave aloft crosses N of the area overnight in the wnw aloft. Warmer than last night with lows staying 70-75 f or higher tonight. Model consensus has the upper ridge axis centered from the tn valley to nc on Fri into early sat, with an upper trough over the eastern great lakes and NE states. The core of the highest 850 temperatures on Fri (21-22c) will be over much of the local area of Fri and with dew pts expected to be higher (only mixing out to around 70 f inland and to the lower-mid 70s near the coast). Expect heat indices to be more solidly into advisory criteria (105 to 109 f) and have therefore issued a heat advisory for most of the CWA (left coastal worcester nc outer banks out for now with cooler temperatures as well as much of the far SW where it will be slightly drier). Actual highs will be around 100 f metro richmond to the mid upper 90s elsewhere (locally cooler lower 90s immediate coast). As far as precip chances, airmass appears too stable overall for much in the way of pop-up storms during the day, but with wnw flow aloft and some weak shortwave energy moving into the area by late aftn, will have ~20% pops by mid late aftn over the NW 1 2 of the cwa. Enough shear moves into the far NW for a marginal risk for severe with wind being the main threat is any type of convective complex can hold together upon crossing the mtns. Short term Friday night through Sunday Ramped pops up a bit more for Fri night especially N NE zones closest to upper level shortwave energy tracking through the wnw flow aloft. Very warm humid Fri night with lows mainly 75 to 80 f. Slightly cooler most areas for Sat due to potential for more clouds and as core of 850 mb heat shifts a bit s. However, it will be even more humid so expect at least southern portions of the CWA to need a heat advisory even with highs on avg only in the mid 90s. As airmass destabilizes more by Sat aftn early evening, and as heights aloft drop, convection developing from the NW will be more likely to hold together for at least 30-50% pops across most areas (20% NE nc) from late Sat aftn through sat night. Far N NE portions of the CWA are in a slight risk where higher shear will reside with marginal risk for the remainder of the cwa. Again wind will be the primary threat. Lows mainly in the mid to upper 70s Sat night and continued hot an humid with additional heat headlines likely needed for some of the region on Sunday. Highs mainly in the mid to upper 90s Sunday. |
Long term Sunday night through Thursday Long term period will feature near normal temps on avg and occasional chances for rain. In general expect lwr temps than this weekend as the broad upr-level ridge across the eastern CONUS breaks down in response to an approaching upr-level trough. The trough and associated low-level front will bring an increasing chance for rain mon, but will cap pops at 40% for now due to uncertainties regarding timing and available moisture. Further model divergence occurs tue and wed, with the 12z ECMWF keeping the low-level boundary in the vicinity and the 12z GFS pushing things offshore, so will maintain low end pops (20-40%) through midweek, with the best chance over far se areas. As for temps, after one more hot day Mon with highs up to the mid 90s, expect mid upr 80s for Tue through thu. Aviation 20z Thursday through Tuesday Vfr conditions will persist today into Fri morning. Some scattered CU between 4-5kft this afternoon then clear this evening with a few high clouds. Any fog tonight will be this and patchy at best and left out of forecast for now. S-sw winds below 10 kts. Outlook... MainlyVFR conditions expected Fri and sat. But, isolated storms Fri aftn into Fri night acrs NW or NRN counties, and isolated to sctd storms Sat aftn into Sat night could produce MVFR conditions. Marine Extended period of sub-sca conditions continues this week into the weekend. Pattern is stagnant with bermuda high pres centered well offshore and typical summertime late day thermal troughs with S sw winds averaging 5-10 kt, occasionally up to 15 kt especially tonight due to a slight increase in the pressure gradient. Waves over the bay 1-2 ft with seas over coastal wtrs 2-3 ft. The next (weakening) cold front approaches the region late mon, dropping into the area mon night tue. Mainly sub-sca conditions expected to continue however with weak CAA behind the front, and just some 4-5 ft seas psbl out 20 nm. Flow becomes N nely then Tue through Thu as the frnt slides offshore and dissipates. Climate Heatwave is expected to develop, mainly Friday through Sunday. The 2nd half of july is climatologically the hottest few weeks of the year so we still may not set any daily records at our main climate sites. For reference, record highs today through Sunday are listed below: * date: today(7 20) fri(7 21) sat(7 22) sun(7 23) * ric: 103 1930 104 1930 103 1952 103 1952 * orf: 102 1942 101 1926 102 2011 103 2011 * sby: 104 1930 106 1930 104 1930 103 2011 * ecg: 104 1942 102 1987 104 1952 104 1952 Akq watches warnings advisories Md... Heat advisory from 10 am to 8 pm edt Friday for mdz021>024. Nc... Heat advisory from 10 am to 8 pm edt Friday for ncz012>017- 030>032. Va... Heat advisory from 10 am to 8 pm edt Friday for vaz048-061-062- 064-068-069-075>078-080>090-092-093-095>100-509>525. Marine... None. Synopsis... Lkb tmg near term... Lkb short term... Lkb tmg long term... Mas aviation... Tmg jao marine... Mas mam climate... Akq |
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 |
| YRSV2 - Chesapeake Bay,VA | 6 mi | 74 min | S 1 | 94°F | 1015 hPa | 72°F | ||
| YKTV2 - 8637689 - Yorktown, VA | 12 mi | 44 min | SSW 7 G 12 | 91°F | 84°F | 1013.4 hPa (-1.8) | ||
| 44041 - Jamestown, VA | 13 mi | 34 min | SSW 7.8 G 12 | 1 ft | ||||
| YKRV2 - 8637611 - York River East Rear Range Light, VA | 17 mi | 44 min | SSE 12 G 13 | 86°F | 1014 hPa (-1.9) | |||
| 44072 | 22 mi | 134 min | SSE 9.7 G 12 | 85°F | ||||
| 44058 - Stingray Point, VA | 25 mi | 34 min | S 16 G 18 | 86°F | 2 ft | 1014 hPa | ||
| DOMV2 - 8638511 - Dominion Terminal Association, VA | 29 mi | 44 min | SSW 8.9 G 8.9 | 87°F | 1014.1 hPa (-1.7) | |||
| WDSV2 - 8638614 - Willoughby Deguassing , VA | 31 mi | 44 min | WSW 7 G 7 | 88°F | 1014.1 hPa (-1.7) | |||
| SWPV2 - 8638610 - Sewells Point, VA | 32 mi | 44 min | 83°F | 1014.2 hPa (-1.6) | ||||
| RPLV2 - 8632837 - Rappahannock Light, VA | 35 mi | 44 min | SSE 12 G 13 | 1014.4 hPa (-1.8) | ||||
| CRYV2 - 8638595 - South Craney Island, VA | 35 mi | 44 min | SW 6 G 8.9 | 91°F | 1013.9 hPa (-1.7) | |||
| KPTV2 - 8632200 - Kiptopeke, VA | 36 mi | 44 min | S 14 G 16 | 82°F | ||||
| CBBV2 - 8638863 - Chesapeake Bay Bridge Tunnel, VA | 38 mi | 44 min | SE 7 G 11 | 87°F | 79°F | 1013.9 hPa (-1.8) | ||
| 44064 | 38 mi | 34 min | 7.8 G 12 | 85°F | 2 ft | 1013.7 hPa | ||
| MNPV2 - 8639348 - Money Point, VA | 43 mi | 44 min | WSW 5.1 G 7 | 91°F | 81°F | 1013.9 hPa (-1.5) | ||
| CHYV2 - 8638999 - Cape Henry, VA | 44 mi | 44 min | SE 9.9 G 13 | 84°F | ||||
| LWTV2 - 8635750 - Lewisetta, VA | 45 mi | 44 min | S 11 G 13 | 82°F | 88°F | 1013.3 hPa (-1.3) |
Wind History for Yorktown USCG Training Center, VA
(wind in knots) EDIT (on/off) Help| 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 | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | |
| Last 24hr | SE | SE | S | S G11 | S G11 | SW | SW G12 | SW | SW | SW | W | W | SW | W G6 | W G7 | W G6 | NW G6 | N | NE | NE | E | S G8 | SW G10 | S G11 |
| 1 day ago | SE | S G9 | S | S | SW | SW | SW G9 | SW | SW | SW | SW | SW G6 | SW | W | W | NW | N | N | E | E | E | E | SE | E |
| 2 days ago | SE G8 | S G8 | S | S G10 | SW G9 | S G10 | S G12 | SW G8 | W | SW | SW | SW G8 | SW | SW | SW | SW | W | N | E | E | E | S G10 | SE G8 | E |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Williamsburg-Jamestown Airport, VA | 9 mi | 49 min | S 7 | 10.00 mi | Fair | 95°F | 73°F | 50% | 1014.2 hPa |
| West Point, Middle Peninsula Regional Airport, VA | 14 mi | 49 min | SSW 5 | 4.00 mi | Fair | 94°F | 63°F | 37% | 1013.5 hPa |
| Fort Eustis / Felker, VA | 15 mi | 46 min | SSW 6 | 10.00 mi | Fair | 94°F | 74°F | 53% | 1013.5 hPa |
| Newport News, Newport News / Williamsburg International Airport, VA | 16 mi | 50 min | SSW 11 | 10.00 mi | Fair | 92°F | 71°F | 51% | 1013.6 hPa |
| Langley Air Force Base, VA | 23 mi | 1.8 hrs | WSW 8 | 9.00 mi | Partly Cloudy | 92°F | 72°F | 53% | 1015.2 hPa |
Wind History from JGG (wind in knots)
| 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | -12 PM | 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 | |
| Last 24hr | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | S | S | SW |
| 1 day ago | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | S | S | Calm | Calm | S | Calm | Calm |
| 2 days ago | Calm | Calm | Calm | Calm | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | SE | S | SE | SE | S |
Tide / Current Tables for Clay Bank, York River, Virginia
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Clay Bank Click for Map Thu -- 01:48 AM EDT 0.04 feet Low Tide Thu -- 03:13 AM EDT Moonrise Thu -- 06:01 AM EDT Sunrise Thu -- 07:42 AM EDT 2.73 feet High Tide Thu -- 01:44 PM EDT -0.14 feet Low Tide Thu -- 05:42 PM EDT Moonset Thu -- 08:15 PM EDT 3.53 feet High Tide Thu -- 08:23 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 |
| 0.6 | 0.2 | 0 | 0.3 | 0.9 | 1.6 | 2.2 | 2.6 | 2.7 | 2.4 | 1.8 | 1.1 | 0.4 | -0 | -0.1 | 0.2 | 0.9 | 1.7 | 2.6 | 3.2 | 3.5 | 3.4 | 2.9 | 2.2 |
Tide / Current Tables for Roane Point, York River, Virginia
EDIT (on/off) Help One Week of Data| Roane Point Click for Map Thu -- 02:38 AM EDT 0.06 feet Low Tide Thu -- 03:13 AM EDT Moonrise Thu -- 06:01 AM EDT Sunrise Thu -- 08:30 AM EDT 2.74 feet High Tide Thu -- 02:36 PM EDT -0.18 feet Low Tide Thu -- 05:43 PM EDT Moonset Thu -- 08:24 PM EDT Sunset Thu -- 09:03 PM EDT 3.53 feet High 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 |
| 1.2 | 0.6 | 0.1 | 0.1 | 0.4 | 1 | 1.7 | 2.3 | 2.7 | 2.7 | 2.3 | 1.7 | 1 | 0.3 | -0.1 | -0.2 | 0.2 | 1 | 1.8 | 2.7 | 3.3 | 3.5 | 3.4 | 2.8 |
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 (18,4,5,8)
(on/off) Help |  |  |
Ground Weather Radar Station Wakefield, VA
(on/off) Help
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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. |