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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 6:25AM | Sunset 7:52PM | Tuesday August 20, 2019 11:50 AM EDT (15:50 UTC) | Moonrise 9:45PM | Moonset 9:56AM | Illumination 75% |  |
ANZ632 Chesapeake Bay From New Point Comfort To Little Creek Va- 936 Am Edt Tue Aug 20 2019
Rest of today..SW winds 5 to 10 kt, becoming se late. Waves 1 to 2 ft. A chance of showers and tstms this afternoon.
Tonight..SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms in the evening.
Wed..SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms in the afternoon.
Wed night..SW winds 15 kt. Waves around 2 ft. A chance of showers and tstms.
Thu..SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms in the afternoon.
Thu night..W winds 10 kt. Waves 1 to 2 ft. A chance of showers and tstms.
Fri..N winds 10 kt. Waves 1 foot. A chance of showers. A chance of tstms in the afternoon.
Fri night..N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and tstms.
Sat..NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. A chance of tstms in the afternoon.
Sat night..NE winds 10 kt. Waves 1 to 2 ft. A chance of showers and tstms in the evening. Winds and waves higher in and near tstms.
Rest of today..SW winds 5 to 10 kt, becoming se late. Waves 1 to 2 ft. A chance of showers and tstms this afternoon.
Tonight..SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms in the evening.
Wed..SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms in the afternoon.
Wed night..SW winds 15 kt. Waves around 2 ft. A chance of showers and tstms.
Thu..SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms in the afternoon.
Thu night..W winds 10 kt. Waves 1 to 2 ft. A chance of showers and tstms.
Fri..N winds 10 kt. Waves 1 foot. A chance of showers. A chance of tstms in the afternoon.
Fri night..N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and tstms.
Sat..NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. A chance of tstms in the afternoon.
Sat night..NE winds 10 kt. Waves 1 to 2 ft. A chance of showers and tstms in the evening. Winds and waves higher in and near tstms.
ANZ652 Coastal Waters From Chincoteague To Parramore Island Va Out 20 Nm- 936 Am Edt Tue Aug 20 2019
Rest of today..S winds 5 to 10 kt. Seas 2 to 3 ft. Mainly se swell with a dominant period of 10 seconds. A slight chance of showers and tstms this afternoon.
Tonight..SW winds 10 kt. Seas around 3 ft. Mainly se swell with a dominant period of 10 seconds.
Wed..SW winds 10 to 15 kt, becoming S 15 to 20 kt late. Seas 3 to 4 ft with a dominant period of 10 seconds.
Wed night..SW winds 15 to 20 kt. Seas 4 to 5 ft with a dominant period of 6 seconds. A chance of showers and tstms.
Thu..SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the late morning and afternoon. Seas 4 to 5 ft, subsiding to 3 ft in the afternoon. A chance of showers and tstms in the afternoon.
Thu night..W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Fri..N winds 10 to 15 kt. Seas around 3 ft. A chance of showers. A chance of tstms in the afternoon.
Fri night..N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. A chance of showers and tstms.
Sat..NE winds 10 to 15 kt. Seas around 2 ft.
Sat night..NE winds 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms.
Rest of today..S winds 5 to 10 kt. Seas 2 to 3 ft. Mainly se swell with a dominant period of 10 seconds. A slight chance of showers and tstms this afternoon.
Tonight..SW winds 10 kt. Seas around 3 ft. Mainly se swell with a dominant period of 10 seconds.
Wed..SW winds 10 to 15 kt, becoming S 15 to 20 kt late. Seas 3 to 4 ft with a dominant period of 10 seconds.
Wed night..SW winds 15 to 20 kt. Seas 4 to 5 ft with a dominant period of 6 seconds. A chance of showers and tstms.
Thu..SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the late morning and afternoon. Seas 4 to 5 ft, subsiding to 3 ft in the afternoon. A chance of showers and tstms in the afternoon.
Thu night..W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Fri..N winds 10 to 15 kt. Seas around 3 ft. A chance of showers. A chance of tstms in the afternoon.
Fri night..N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. A chance of showers and tstms.
Sat..NE winds 10 to 15 kt. Seas around 2 ft.
Sat night..NE winds 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms.
7 Day Forecast for Portsmouth, VA
Hourly EDIT Helplocation: 36.929, -76.345 debug
7 Day Forecast for Chincoteague, VA
EDITlocation: 37.834, -75.409
Area Discussion for - Wakefield, VA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kakq 201458 afdakq area forecast discussion national weather service wakefield va 1058 am edt Tue aug 20 2019 Synopsis A weak trough of low pressure will persist across the area today. A strong cold front moves across the area Thursday night then stalls across north carolina Friday. High pressure builds into the area for the weekend. Near term through tonight As of 1050 am edt Tuesday... latest surface analysis suggests a weak east-west surface trough outflow boundary extending from near the va md border on the eastern shore through the northern neck and the northern part of the forecast area. In fact, some shower storm activity has already developed over somerset county this morning. Meanwhile, dying convection from a weak upper disturbance is over northern wv. This boundary and the interaction of the weak short wave and associated left over convection will be the focus of this update. Latest short term guidance suggests this boundary will shift southward through the day with the rap and hrrr suggesting the focus of afternoon convection along this boundary from the tidwater through the ric metro and NW into the blue ridge. The 06z NAM supported this scenerio although the 12z run has since backed off. However, the latest 12z href and assocated members supports this scenerio developing as well. As such, have raised pops to 50% along the i-64 corridor and kept isolated to low chance pops on either side of the boundary as there will likely be pop up convection across the entire area today. Still could not rule out a random severe storm with damaging winds given the forecast dcape above 1000 j kg and steep low level lapse rates. However, lack of any significant wind aloft will preclude more than isolated severe. In fact, heavy rainfall may be the main concern this afternoon given the potential for training along the boundary and high precipitable water values of 2". Otherwise, expect highs to be in the lower to mid 90s. Am not expecting temps quite as high as yesterday given that we are starting out 2-4 deg cooler than yesterday. As of 300 am edt Tuesday... latest msas has high pressure centered near pit with a sfc trof extending along the i95 corridor across the nern states down to the va nc piedmont. Models show little movement in synoptic features today as the high to the NW prevents a frontal boundary from sagging much farther south than the mason-dixon line. Todays forecast will be much like mon, so will continue the trend of a pt sunny and hot day with isltd-sct aftrn eve convection dvlpng along the sfc trof and psbly LCL sea breezes. Only diffference today will be for high temps to be a few degrees lower than mon. Highs low to mid 90s except 85-90 at the beaches. Dew points in the low to mid 70s yields heat index values btwn 98-103, highest over the piedmont. Spc has most areas north of the va nc border in a marginal svr risk. Main threat will be for strong wind gusts, but slow moving storms may produce lclly heavy downpours and freq lightning given the local conditions. Storms slowly dissipate after sunset due to loss of htng but will keep chc pops going thru the evening. Otw, pt cldy, warm and humid once again with lows in the low-mid 70s. Short term Wednesday through Thursday night As of 300 am edt Tuesday... models coming in a bit cooler Wed due to more cloud coverage. Once again, diurnal convection develops on the sfc trof LCL sea breezes with the highest pops out acros the piedmont. Highs Wed arnd 90. Pt cldy Wed nite with eve convection dissipating. Lows low-mid 70s. A cold front approaches from the NW thurs, but does not enter the |
local area until after 21z. Thus, thurs starts out with enough heating for temps to rise back into the low-mid 90s before aftrn convection develops. Maintained chc pops for now (highest across the piedmont). The cold front slowly crosses the area thurs nite along with a wind shift to the north behind it. Will maintain high chc pops for now with lows upr 60s-mid 70s. Long term Friday through Monday As of 300 am edt Tuesday... model consensus continues to show the front stalling across srn va by 12z fri, while the 12z 19 GFS continues to forecast the front to clear the area by late Fri am. On the other hand, the latest ECMWF gem both have the front moving very slowly southward across the area on Fri before clearing the area sometime this weekend. The cold front potentially stalls (or very slowly moves southward) from fri-next weekend. If the ECMWF gem solution verifies and the front slowly moves across SRN portions of the cwa from Fri through the weekend, this would lead to continued chances of scattered aftn- evening convection across SRN va ne nc. Far northern portions of the CWA likely remain dry next weekend (or see only isolated, diurnally- driven showers tstms) as sfc high pressure over the great lakes northeast tries to build toward the region. For now, went with a model blend and have 20-50% pops on Fri Sat (highest S lowest n). Dry comfortable wx prevails late sun-early next week as sfc ridging continues to build over the area. Highs mainly in the low-mid 80s through the extended period with lows in the 60s (except around 70f in coastal SE va NE nc). Aviation 15z Tuesday through Saturday As of 630 am edt Tuesday... vfr conditions expected through the forecast period as high pressure dominates. A sfc trof will persist across the area which should be the trigger for aftrn eve convection. Best areas to see any tstms before 00z is at ric sby where vcts was added for a few hr prd. Left thunder out of the forecast across sern TAF sites given TSTM chc there is a bit lower and closer to 00z. Any storm could produce gusty winds, MVFR cigs, reduced vsbys in hvy downpours and fqt lightning. Outlook... chc for diurnal convection conts Wed then increases Thu as a cold front approaches from the nw. The potential for showers tstms lingers into Fri if the cold front slows down or stalls over the region. Marine As of 300 am edt Tuesday... no headlines are anticipated through mid-week. For today and Wednesday, expect S to SW winds around 5 to 15 knots. Seas will generally range from 2 to 3 feet and waves in the bay 1 to 2 feet. By Wednesday evening, winds and seas will be on the increase as a cold front approaches the region from the west. SW winds increase to around 15 to 20 knots ahead of this front, and seas will likely build to 4 to 5 feet (especially out 20 nm). As a result, small craft advisories may be needed for at least portions of the bay and coastal waters late Wednesday into Thursday. By Friday, the front clears the area, allowing for winds to become NW to N and diminish to around 5 to 15 knots. Onshore flow is anticipated on Saturday and Sunday. Akq watches warnings advisories Md... None. Nc... None. Va... None. Marine... None. Synopsis... Mpr near term... Mpr mrd short term... Mpr long term... Eri mpr aviation... Mpr marine... Ajb |
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 |
| SWPV2 - 8638610 - Sewells Point, VA | 1 mi | 57 min | 82°F | 1019.1 hPa | ||||
| CRYV2 - 8638595 - South Craney Island, VA | 3 mi | 57 min | WSW 1.9 G 5.1 | 86°F | 1019 hPa | |||
| WDSV2 - 8638614 - Willoughby Deguassing , VA | 4 mi | 57 min | SW 7 G 8 | 80°F | 1018.6 hPa | |||
| DOMV2 - 8638511 - Dominion Terminal Association, VA | 5 mi | 57 min | WSW 2.9 G 5.1 | 82°F | 1019.3 hPa | |||
| MNPV2 - 8639348 - Money Point, VA | 11 mi | 57 min | WSW 4.1 G 7 | 84°F | 82°F | 1018.8 hPa | ||
| 44087 | 12 mi | 51 min | 82°F | 1 ft | ||||
| 44064 | 14 mi | 41 min | W 5.8 G 5.8 | 81°F | 1018.6 hPa | |||
| CHBV2 | 16 mi | 57 min | WSW 6 G 8.9 | 81°F | 1018.3 hPa | |||
| CHYV2 - 8638999 - Cape Henry, VA | 18 mi | 57 min | NW 6 G 7 | 82°F | 1019.1 hPa | |||
| 44072 | 19 mi | 41 min | NNE 3.9 G 3.9 | 82°F | ||||
| YKRV2 - 8637611 - York River East Rear Range Light, VA | 22 mi | 57 min | W 2.9 G 4.1 | 84°F | 1019.5 hPa | |||
| YKTV2 - 8637689 - Yorktown, VA | 22 mi | 57 min | NNW 2.9 G 2.9 | 83°F | 83°F | 1018.5 hPa | ||
| KPTV2 - 8632200 - Kiptopeke, VA | 25 mi | 57 min | WNW 5.1 G 6 | 80°F | ||||
| 44041 - Jamestown, VA | 30 mi | 39 min | 86°F | 86°F | 1019.5 hPa | |||
| 44099 - Cape Henry, VA (147) | 33 mi | 51 min | 79°F | 2 ft | ||||
| YRSV2 - Chesapeake Bay,VA | 39 mi | 81 min | N 1 | 84°F | 1020 hPa | 75°F | ||
| WAHV2 - 8631044 - Wachapreague, VA | 59 mi | 57 min | Calm G 4.1 | 87°F | 85°F | 1018.7 hPa | ||
| 44014 - VIRGINIA BEACH 64 NM East of Virginia Beach, VA | 83 mi | 61 min | SW 9.7 G 9.7 | 81°F | 82°F | 3 ft | 1020 hPa (+0.4) | 74°F |
Wind History for South Craney Island, VA
(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 | SE | S | SW G9 | W G5 | NE | E | SE G11 | S | S | S G11 | S G13 | SW G11 | SW G10 | SW | SW G8 | SW | W | SW G8 | SW | W | SW | W | W | S |
| 1 day ago | NE | NE | N | NE | N | N | NE | NE | E | SE | SE | SE | S | S | S | SW | SW | W | S | SW | W G6 | S | S | |
| 2 days ago | N | N | NE | NE | N | E G7 | S G9 | W | SW G10 | S G11 | SW | S G13 | S | SW | S | S | S | S | SE | -- | S | N | 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 |
| Norfolk, Naval Air Station, VA | 3 mi | 1.9 hrs | W 5 | 10.00 mi | Mostly Cloudy | 82°F | 71°F | 69% | 1019.3 hPa |
| Norfolk, Norfolk International Airport, VA | 8 mi | 60 min | WSW 4 | 10.00 mi | Fair | 85°F | 71°F | 63% | 1019 hPa |
| Langley Air Force Base, VA | 11 mi | 2.9 hrs | W 5 | 10.00 mi | Partly Cloudy | 81°F | 73°F | 78% | 1019.6 hPa |
| Newport News, Newport News / Williamsburg International Airport, VA | 17 mi | 57 min | S 5 | 10.00 mi | Fair | 85°F | 73°F | 70% | 1019 hPa |
| Virginia Beach, Oceana, Naval Air Station, VA | 18 mi | 1.9 hrs | WSW 7 | 10.00 mi | Mostly Cloudy | 83°F | 70°F | 65% | 1018.9 hPa |
| Chesapeake, Chesapeake Municipal Airport, VA | 19 mi | 56 min | SSW 4 | 7.00 mi | Fair | 84°F | 75°F | 74% | 1019.3 hPa |
| Fort Eustis / Felker, VA | 21 mi | 1.9 hrs | N 0 | 10.00 mi | Mostly Cloudy | 81°F | 66°F | 62% | 1018.6 hPa |
| Suffolk, Suffolk Municipal Airport, VA | 22 mi | 76 min | N 0 | 10.00 mi | Fair | 83°F | 73°F | 73% | 1019.6 hPa |
Link to 5 minute data for KNGU
Wind History from NGU (wind in knots)
| 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 | SW | N | N | E | SE | SE | S | S | S | SW | SW | W | SW | W | SW | W | W | |||||||
| 1 day ago | E | E | E | NE | E | E | NE | E | E | SE | SE | SE | Calm | S | S | Calm | SW | Calm | ||||||
| 2 days ago | NW | N | N | NE | NE | S | S | S | SW | S | S | S | S | S | Calm | S | SE | Calm | Calm | Calm | E |
Tide / Current Tables for Sewells Point, Hampton Roads, Virginia
EDIT Weekend mode (on/off) (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Tide / Current Tables for Chesapeake Bay Entrance, Virginia Current
EDIT (on/off) Help One Week of DataChesapeake Bay Entrance
Click for Map
Tue -- 02:52 AM EDT -0.00 knots Slack
Tue -- 06:18 AM EDT -1.12 knots Max Ebb
Tue -- 06:24 AM EDT Sunrise
Tue -- 09:52 AM EDT 0.00 knots Slack
Tue -- 10:54 AM EDT Moonset
Tue -- 12:17 PM EDT 0.58 knots Max Flood
Tue -- 03:16 PM EDT -0.00 knots Slack
Tue -- 06:48 PM EDT -0.88 knots Max Ebb
Tue -- 07:49 PM EDT Sunset
Tue -- 10:03 PM EDT 0.00 knots Slack
Tue -- 10:43 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 02:52 AM EDT -0.00 knots Slack
Tue -- 06:18 AM EDT -1.12 knots Max Ebb
Tue -- 06:24 AM EDT Sunrise
Tue -- 09:52 AM EDT 0.00 knots Slack
Tue -- 10:54 AM EDT Moonset
Tue -- 12:17 PM EDT 0.58 knots Max Flood
Tue -- 03:16 PM EDT -0.00 knots Slack
Tue -- 06:48 PM EDT -0.88 knots Max Ebb
Tue -- 07:49 PM EDT Sunset
Tue -- 10:03 PM EDT 0.00 knots Slack
Tue -- 10:43 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 |
| 0.7 | 0.6 | 0.3 | -0.1 | -0.5 | -0.9 | -1.1 | -1.1 | -0.8 | -0.4 | 0.1 | 0.4 | 0.6 | 0.5 | 0.3 | 0.1 | -0.2 | -0.6 | -0.8 | -0.9 | -0.7 | -0.4 | -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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Wakefield, VA (11,2,3,4)
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Ground Weather Radar Station Wakefield, VA
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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. |