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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 6:22AM | Sunset 7:52PM | Wednesday August 21, 2019 8:24 PM EDT (00:24 UTC) | Moonrise 10:12PM | Moonset 10:54AM | Illumination 62% |  |
ANZ533 Chesapeake Bay From North Beach To Drum Point- 758 Pm Edt Wed Aug 21 2019
.small craft advisory in effect until midnight edt tonight...
Tonight..SW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of showers. A chance of tstms, mainly this evening.
Thu..S winds 5 to 10 kt. Waves 1 ft.
Thu night..W winds 5 to 10 kt. Waves 1 ft. Scattered tstms with a chance of showers.
Fri..N winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms.
Fri night..N winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms.
Sat..NE winds 5 to 10 kt. Waves 1 ft.
Sat night..NE winds 5 to 10 kt. Waves 1 ft.
Sun..NE winds 10 kt. Waves 1 to 2 ft...building to 3 ft after midnight.
Mon..E winds 5 to 10 kt. Waves 2 to 3 ft...subsiding to 1 ft after midnight. A chance of showers. Winds and waves higher and visibilities lower in and near tstms.
.small craft advisory in effect until midnight edt tonight...
Tonight..SW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of showers. A chance of tstms, mainly this evening.
Thu..S winds 5 to 10 kt. Waves 1 ft.
Thu night..W winds 5 to 10 kt. Waves 1 ft. Scattered tstms with a chance of showers.
Fri..N winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms.
Fri night..N winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms.
Sat..NE winds 5 to 10 kt. Waves 1 ft.
Sat night..NE winds 5 to 10 kt. Waves 1 ft.
Sun..NE winds 10 kt. Waves 1 to 2 ft...building to 3 ft after midnight.
Mon..E winds 5 to 10 kt. Waves 2 to 3 ft...subsiding to 1 ft after midnight. A chance of showers. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 758 Pm Edt Wed Aug 21 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure in the atlantic will promote a light southerly flow over the region today. A cold front will approach the waters late tonight into Thursday, before stalling near or south of the area into Friday. High pressure will then settle over the area Saturday into Sunday.
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure in the atlantic will promote a light southerly flow over the region today. A cold front will approach the waters late tonight into Thursday, before stalling near or south of the area into Friday. High pressure will then settle over the area Saturday into Sunday.
7 Day Forecast for Marine Location Near Madison, MD
Hourly EDIT Helplocation: 38.49, -76.22 debug
Area Discussion for - Wakefield, VA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kakq 212348 afdakq area forecast discussion national weather service wakefield va 748 pm edt Wed aug 21 2019 Synopsis A trough of low pressure will persist across the area through Thursday. A cold front moves across the area Thursday night, then stalls along the virginia-north carolina border Friday before pushing south into the carolinas Saturday. High pressure builds into the area for the later half of the weekend. Near term until 6 am Thursday morning As of 350 pm edt Wednesday... a weak shortwave aloft driving a complex of showers and storms across the tidewater, northeastern nc, and the va eastern shore will move offshore late this afternoon. In its wake, surface heating destabilization is occurring but coverage of additional showers in storms is in question with some subsidence behind the departing shortwave trough. SPC has the area north of the va nc border in a marginal risk, agitated cumulus clouds are present over the higher terrain to our west and a weak surface trough remains over the area so will keep the chance for showers and storms in the forecast for this evening with the highest chance near and north of i-64 and across the western portion of the area where surface heating has been least impeded by clouds today. Strong straight line winds, heavy rainfall, and frequent lightning remain the primary hazards from storms this evening. Any remaining convection will wane late this evening, leaving partly cloudy to mostly clear conditions for the overnight period. Some patchy fog is possible late tonight and early Thursday morning, especially if we can manage some additional rain storms this evening over the piedmont. Overnight lows range from the low to mid 70s with some upper 70s S and near the coast. Short term 6 am Thursday morning through Saturday As of 350 pm edt Wednesday... guidance has trended lower regarding shower and storm coverage for Thursday but the weak surface trough will remain present over the area will maintain chance pops for the afternoon with the relative greatest chance west of the bay. A cold front will slowly approach from the north but make only modest progress toward the area Thursday. Temperatures will inch upward on with low to mid 90s expected away from the immediate coast where some upper 80s are possible. Dew points will remain in the low and mid 70s, resulting in afternoon heat indices ranging from the upper 90s to around 102 degrees Thursday afternoon. Overnight conditions will be muggy and warm with mostly mid 70s across the region. The slow-moving cold front approaches the region on Friday, bringing thicker clouds an increased chance for showers and storms along with the threat for heavy rain as precipitable water values rise to ~2 inches ahead of the boundary. High temperatures will range from the low 80s N into the upper 80s s. The front will likely stall near or over southern portions of the area Friday night with continued chances for heavy rain and storms as weak waves of low pressure traverse the front. Global guidance differs with how quickly the front moves south on Saturday so will maintain the highest pops across the southern third of the region. Much cooler on Saturday with upper 70s and low 80s and decreasing humidity from north to south. Long term Saturday night through Wednesday As of 4 pm edt Wednesday... cold front will be south of the area Saturday night, however some showers may linger behind the front (mainly along and south of the nc state line). High pressure will build in from the n |
behind the front bring cooler air to the area. Temperatures Sunday morning will be in the upper 50s in the va piedmont and low to mid 60s along and east of i-95. High temperatures will only manage to reach the low 80s inland and upper 70s along the coast with the ene flow. Pops will remain in for Sunday (20-30%) for showers moving onshore from the atlantic ocean. Models are indicating a low (possibly tropical) forming off the outer banks early next week. Both the GFS and ECMWF show a weak sfc low pressure system moving NE out into the atlantic. Pops were kept in with the highest towards the coast through Wednesday as the low passes by. Temperatures will remain on the mild side as the ene-ne flow continues. Highs will be in the low to mid 80s with lows in the mid 60s inland to low 70s at the coast. Aviation 00z Thursday through Monday As of 745 pm edt Wednesday... prevailingVFR conditions are present at the terminals this evening. A few tstms have developed north and west of the terminals as of 745 pm. These tstms are expected to move to the south east and slowly weaken during the next few hours. Confidence in a TSTM impacting a terminal is too low to include any mention of thunder in the tafs. The best chc of seeing a TSTM (20%) is at ric phf. Tafs will be amended as needed for any tstms. Drier air will move into the area later tonight and into the first half of Thursday with mainly sct high clouds. Winds will remain around 5-10 kt out of the SW tonight. Sct CU (~5k feet) re-develops Thu aftn, and tstms are expected to develop across the va mountains piedmont by mid-late aftn. There is a chc (30-40%) that the tstms will impact the terminals Thu evening, but too early to include any mention of thunder in the tafs attm. Outlook... A cold front slowly moves across the local area Thu night then stalls across nc by late fri. Expect sct to numerous shras and tstms Fri aftn-fri night... Possibly lingering into Sat across srn va NE nc (behind the aforementioned cold front). Marine As of 350 pm edt Wednesday... small craft advisories in effect for the coastal waters in addition to chesapeake bay and the currituck sound into Thursday morning. S SW winds have slowly been picking up throughout the afternoon gusting to around 20 kts in some locations. Waves have been 1-2 ft and seas 2-3 ft. Expect waves to build to 2-3 ft and seas 4-5 feet by late in the day. As the pressure gradient relaxes Thursday morning winds will decrease below SCA criteria. A cold front approaches the area on Thursday but latest model guidance continues to slow the progression of this front through our area, now appears to be in the late Friday to early Saturday timeframe. Once the front finally crosses the area the winds will turn to the N nw. Akq watches warnings advisories Md... None. Nc... None. Va... None. Marine... Small craft advisory until 4 am edt Thursday for anz630>632- 634-650-652-654-656-658. Small craft advisory until 1 am edt Thursday for anz633. Synopsis... Mpr near term... Rhr short term... Rhr long term... Cp aviation... Cp eri marine... Cmf |
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 |
| CA2 - 8571892 - Cambridge, MD | 10 mi | 61 min | S 8 G 11 | 82°F | 85°F | 1011.7 hPa | ||
| 44062 - Gooses Reef, MD | 11 mi | 67 min | SSW 5.8 G 5.8 | 85°F | 1012.8 hPa | |||
| COVM2 - 8577018 - Cove Point LNG Pier, MD | 11 mi | 55 min | SSW 8 G 9.9 | 85°F | 1012.7 hPa | |||
| SLIM2 - 8577330 - Solomons Island, MD | 17 mi | 55 min | SW 11 G 12 | 85°F | 84°F | 1011.6 hPa | ||
| BISM2 - 8571421 - Bishops Head, MD | 21 mi | 61 min | SSW 13 G 15 | 83°F | 86°F | 1012.6 hPa | ||
| PPTM2 - 8578240 - Piney Point, MD | 30 mi | 55 min | SSW 8 G 9.9 | |||||
| TPLM2 - Thomas Point, MD | 30 mi | 85 min | WSW 30 G 38 | 78°F | 83°F | 1013.4 hPa (+0.7) | 70°F | |
| BSLM2 - Chesapeake Bay, MD | 33 mi | 115 min | S 5.1 | 86°F | 1011 hPa | 74°F | ||
| CPVM2 | 36 mi | 55 min | 78°F | 73°F | ||||
| APAM2 - 8575512 - Annapolis, MD | 37 mi | 55 min | 78°F | 1010.3 hPa | ||||
| LWTV2 - 8635750 - Lewisetta, VA | 37 mi | 61 min | WSW 6 G 7 | 85°F | 84°F | 1012.6 hPa | ||
| NCDV2 | 45 mi | 61 min | WNW 1 G 2.9 | 77°F | 86°F | 1011.3 hPa |
Wind History for Cambridge, MD
(wind in knots) EDIT (on/off) Help| 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 | 7 PM | |
| Last 24hr | S | W G7 | W G7 | SW G13 | SW G7 | SE | S | SW G7 | SW | SE | SE | SE | S | SW G13 | S G11 | S G14 | S G16 | S G14 | S G19 | S G14 | S G15 | S G13 | SE G15 | S G16 |
| 1 day ago | SE | S | SE | S | -- | W G6 | SW | S | N | S | SW | -- | N | NE | NE | NE G9 | NE | NE | NE | SE G23 | NE | SE | SE | E |
| 2 days ago | S | SE | S | SE | SE G8 | SE | S | SE | S | S G7 | S G5 | S | S | S G9 | S G11 | SW G9 | NW G14 | NW | W G8 | SW G9 | SW G10 | S G14 | NE G17 | 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 |
| Cambridge-Dorchester Airport, MD | 11 mi | 45 min | N 0 | 10.00 mi | Fair | 81°F | 77°F | 89% | 1011.8 hPa |
| Patuxent River, Naval Air Station, MD | 17 mi | 33 min | SW 8 | 10.00 mi | Mostly Cloudy | 85°F | 72°F | 65% | 1011.7 hPa |
| St Marys County Airport, MD | 21 mi | 42 min | SSW 4 | 10.00 mi | Fair | 82°F | 73°F | 74% | 1012.5 hPa |
| Easton / Newman Field, MD | 23 mi | 35 min | WSW 12 G 22 | 10.00 mi | Thunderstorm Light Rain | 82°F | 71°F | 70% | 1014.2 hPa |
Link to 5 minute data for KCGE
Wind History from CGE (wind in knots)
| 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 | 7 PM | 8 PM | |
| Last 24hr | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | SE | Calm | S | G11 | G12 | SW | S G12 | S G17 | S G18 | S G15 | S | S G16 | S G12 | S | |
| 1 day ago | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | E | SE | E | E | NE | E G16 | NE G19 | S | Calm | Calm | Calm | |
| 2 days ago | Calm | Calm | SE | SE | SE | S | Calm | SE | Calm | Calm | Calm | SW | SW | SW G13 | SW | S | S | E G16 | Calm | SE |
Tide / Current Tables for Woolford, Church Creek, Little Choptank River, Maryland
EDIT Weekend mode (on/off) (on/off) Help One Week of DataWoolford
Click for Map
Wed -- 02:27 AM EDT 1.04 feet Low Tide
Wed -- 06:24 AM EDT Sunrise
Wed -- 07:35 AM EDT 1.91 feet High Tide
Wed -- 11:54 AM EDT Moonset
Wed -- 02:20 PM EDT 0.53 feet Low Tide
Wed -- 07:50 PM EDT Sunset
Wed -- 08:32 PM EDT 2.15 feet High Tide
Wed -- 11:11 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 02:27 AM EDT 1.04 feet Low Tide
Wed -- 06:24 AM EDT Sunrise
Wed -- 07:35 AM EDT 1.91 feet High Tide
Wed -- 11:54 AM EDT Moonset
Wed -- 02:20 PM EDT 0.53 feet Low Tide
Wed -- 07:50 PM EDT Sunset
Wed -- 08:32 PM EDT 2.15 feet High Tide
Wed -- 11:11 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 |
| 1.3 | 1.1 | 1.1 | 1.1 | 1.2 | 1.4 | 1.7 | 1.9 | 1.9 | 1.8 | 1.5 | 1.2 | 0.9 | 0.7 | 0.5 | 0.6 | 0.8 | 1.1 | 1.6 | 1.9 | 2.1 | 2.1 | 2 | 1.8 |
Tide / Current Tables for Cove Point (1.1 mi. NE of), Maryland Current
EDIT (on/off) Help One Week of DataCove Point (1.1 mi. NE of)
Click for Map
Wed -- 02:01 AM EDT -0.42 knots Max Ebb
Wed -- 04:53 AM EDT 0.00 knots Slack
Wed -- 06:25 AM EDT Sunrise
Wed -- 07:24 AM EDT 0.36 knots Max Flood
Wed -- 10:13 AM EDT -0.00 knots Slack
Wed -- 11:54 AM EDT Moonset
Wed -- 01:53 PM EDT -0.45 knots Max Ebb
Wed -- 04:47 PM EDT 0.00 knots Slack
Wed -- 07:51 PM EDT Sunset
Wed -- 07:56 PM EDT 0.58 knots Max Flood
Wed -- 11:12 PM EDT Moonrise
Wed -- 11:39 PM EDT -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 02:01 AM EDT -0.42 knots Max Ebb
Wed -- 04:53 AM EDT 0.00 knots Slack
Wed -- 06:25 AM EDT Sunrise
Wed -- 07:24 AM EDT 0.36 knots Max Flood
Wed -- 10:13 AM EDT -0.00 knots Slack
Wed -- 11:54 AM EDT Moonset
Wed -- 01:53 PM EDT -0.45 knots Max Ebb
Wed -- 04:47 PM EDT 0.00 knots Slack
Wed -- 07:51 PM EDT Sunset
Wed -- 07:56 PM EDT 0.58 knots Max Flood
Wed -- 11:12 PM EDT Moonrise
Wed -- 11:39 PM EDT -0.00 knots Slack
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 |
| -0.2 | -0.4 | -0.4 | -0.4 | -0.2 | 0 | 0.2 | 0.4 | 0.3 | 0.2 | 0 | -0.1 | -0.3 | -0.4 | -0.4 | -0.4 | -0.2 | 0.1 | 0.3 | 0.5 | 0.6 | 0.5 | 0.3 | 0.1 |
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 Wakefield, VA (20,4,5,8)
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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. |