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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 6:51AM | Sunset 8:00PM | Friday August 23, 2019 7:08 AM EDT (11:08 UTC) | Moonrise 11:52PM | Moonset 1:02PM | Illumination 46% |  |
AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 325 Am Edt Fri Aug 23 2019
Today..S winds 5 to 10 kt. Seas 1 to 2 ft. A slight chance of showers and tstms this morning.
Tonight..S winds 5 to 10 kt. Seas 2 ft.
Sat..SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms in the afternoon.
Sat night..E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Sun..NE winds 10 kt. Seas 3 ft. Showers likely with a chance of tstms.
Sun night..NE winds 10 kt. Seas 3 ft. A chance of showers. A chance of tstms, mainly in the evening.
Mon..NE winds 10 kt. Seas 3 ft. A chance of showers and tstms.
Mon night..E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers with a slight chance of tstms.
Tue..NE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue night..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
Today..S winds 5 to 10 kt. Seas 1 to 2 ft. A slight chance of showers and tstms this morning.
Tonight..S winds 5 to 10 kt. Seas 2 ft.
Sat..SE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms in the afternoon.
Sat night..E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Sun..NE winds 10 kt. Seas 3 ft. Showers likely with a chance of tstms.
Sun night..NE winds 10 kt. Seas 3 ft. A chance of showers. A chance of tstms, mainly in the evening.
Mon..NE winds 10 kt. Seas 3 ft. A chance of showers and tstms.
Mon night..E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers with a slight chance of tstms.
Tue..NE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.
Tue night..S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 325 Am Edt Fri Aug 23 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Atlantic high pressure will prevail today, before a cold front approaches from the north tonight. The front will cross through the area on Saturday then will stall offshore Sunday. Low pressure could develop along the front and track northeast and offshore through the first half of next week. Another cold front could impact the region late next week.
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Atlantic high pressure will prevail today, before a cold front approaches from the north tonight. The front will cross through the area on Saturday then will stall offshore Sunday. Low pressure could develop along the front and track northeast and offshore through the first half of next week. Another cold front could impact the region late next week.
7 Day Forecast for Marine Location Near Burton, SC
Hourly EDIT Helplocation: 32.41, -80.7 debug
Area Discussion for - Charleston, SC
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kchs 230823 afdchs area forecast discussion national weather service charleston sc 423 am edt Fri aug 23 2019 Synopsis Atlantic high pressure will prevail today, before a cold front approaches from the north tonight. The front will cross through the area on Saturday then will stall offshore Sunday. Low pressure could develop along the front and track northeast and offshore through the first half of next week. Another cold front could impact the region late next week. Near term through tonight Pre-dawn: mostly clear skies have prevailed overnight with dry weather expected to prevail until daybreak. The only exception may be right along the sc beaches, where weak low level moisture convergence may result in isolated brief showers tstms. Warm temps in the mid upper 70s will only fall another degree or so through dawn. Today: mid level ridging will gradually decay along and just off the southeast coast while the overall synoptic pattern remains persistent across the region. A weak mid level vort seen on early morning GOES water vapor satellite imagery over south central ga is forecast to drift northeast over the csra and into the sc midlands later today. Dry weather this morning along with plenty of surface heating, will lead to another warm and humid afternoon across the region with highs in the lower to mid 90s and heat indices in the 104-106 degree range. Around mid afternoon, scattered convection should be on the increase across inland areas of southeast ga and sc. Slightly deeper moisture and broad low level moisture convergence along with the weak mid level feature all favor a greater coverage of tstms along and inland from i-95. A few stronger tstms in this region are likely with an isolated severe TSTM not out of the question in our far inland zones adjacent to the csra and midlands. Along the coastal corridor, we think convection will be mainly isolated this afternoon with the advancing sea breeze and we maintained only slight chance pops for the most part to the east of u.S. 17. Tonight: deeper moisture ahead of a cold front will be sagging into sc overnight. We maintained some slight chance overnight pops to account for some nocturnal convection north of the savannah river. Otherwise, it should be mainly dry in ga. Models suggest some patchy inland fog is possible well inland but confidence to include in the forecast was poor at this time. Short term Saturday through Monday A fairly unsettled period on tap as a cold front impacts the area. The front is progged to drop south into the forecast area on Saturday, then become stationary to the south and east through early next week. A wave of low pressure could then develop along the stalled front and lift northeast parallel to the coast. Regardless of potential development of tropical characteristics, models at this point are in consensus that this low will stay well offshore. Given the deep moisture and forcing in play, rain chances will be higher than normal, particularly Saturday into Sunday. Periods of heavy rain are expected and some localized ponding flooding in poor drainage areas will be possible especially with weak storm motions. The time of greatest concern appears to be Saturday afternoon into Saturday night. Otherwise, the severe weather threat appears low but could not rule out a couple stronger storms with the front. On Monday, there will be a decent gradient in pops with highest rain chances across southeast georgia zones in proximity to enhanced |
convergence and better moisture. Seasonable temperatures on Saturday will drop a few degrees below normal Sunday and Monday behind the front. Long term Monday night through Thursday Models are in good agreement that low pressure will be lifting northeast away from the area Monday night into Tuesday. Another cold front could impact the region later in the period. There are some discrepancies in regards to convective coverage but with elevated moisture and shortwave energy, it looks to stay a bit unsettled. Temperatures are expected to be near normal. Aviation 08z Friday through Tuesday Vfr will dominate through 00z Saturday. The next chance of convection at the terminals will occur between about 18z and 23z Friday, but the better odds of shra tsra looks to occur inland from both kchs and ksav. Thus we have no mention this far in advance. Extended aviation outlook: periodic flight restrictions expected in showers thunderstorms at kchs ksav through early next week. Marine Through tonight: persistence forecast once again with S to sw flow below 15 kt and seas 1 to 3 ft, highest well offshore. Saturday through Wednesday: a cold front will approach from the north on Saturday and stall in the vicinity through early next week. An area of low pressure is progged to develop on the front then lift northeast along it. This set-up will result in a predominantly northeast flow Sunday into Monday. Conditions at this point look to remain below small craft advisory criteria, however should the pressure gradient tighten a bit more between inland high pressure and the offshore low, wind speeds could come close. No marine concerns are expected thereafter. Rip currents: increasing east northeast winds could contribute to an enhanced risk of rip currents on area beaches late this weekend into early next week, especially if offshore low pressure develops and intensifies. Waterspouts: most recent forecast sounding data shows some potential for waterspouts this morning. This risk would be along a convergent line that forms not far off the south carolina coast during that time. We will carefully monitor for this potential. Tides coastal flooding Astronomical tides will be running close to minor coastal flood advisory levels next week and onshore winds could lead to even higher tides, mainly during the evening high tide cycles starting Monday. In addition, there is the potential for some heavy rain around the times of high tide which could exacerbate any flooding issues. Chs watches warnings advisories Ga... None. Sc... None. Marine... None. Near term... short term... Etm long term... Etm aviation... Etm marine... Etm tides coastal flooding... Etm |
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 |
| ACXS1 - ACE Basin Reserve, SC | 17 mi | 83 min | Calm | 77°F | 1017 hPa | 77°F | ||
| 41033 | 18 mi | 60 min | SW 7.8 G 12 | 83°F | 85°F | 1016.9 hPa | ||
| FPKG1 - 8670870 - Fort Pulaski, GA | 28 mi | 56 min | W 5.1 G 6 | 80°F | 85°F | 1017.6 hPa | ||
| FBIS1 - Folly Island, SC | 47 mi | 68 min | SW 8.9 G 11 | 83°F | 1017.5 hPa (+0.3) | 77°F | ||
| CHTS1 | 48 mi | 56 min | SSW 4.1 G 5.1 | 81°F | 86°F | 1017.2 hPa |
Wind History for Fort Pulaski, GA
(wind in knots) EDIT (on/off) Help| -12 PM | 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 | 6 AM | |
| Last 24hr | W | SW | SW | W G11 | W | S G9 | S G12 | S G11 | S G11 | SE | S G10 | S G10 | S G8 | S | S | S G11 | S G8 | S G8 | S G7 | S G9 | SW | SW | W | |
| 1 day ago | SW | SW | W | SW | SW G9 | SW G9 | S G10 | S G12 | S G14 | S G12 | S G13 | S G12 | S G12 | SW G10 | S | S | S G7 | S G12 | S G14 | SW G11 | SW G10 | SW | SW | W |
| 2 days ago | SW | SW | SW G7 | SW G7 | S | S | S | S G9 | S G8 | S G9 | S G11 | S G11 | SE G11 | S G9 | S G10 | S G8 | S | S G9 | S G10 | SW G9 | SW | SW | W | W |
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 |
| Beaufort County Airport, SC | 4 mi | 73 min | N 0 | 10.00 mi | Fair | 79°F | 75°F | 89% | 1016.9 hPa |
| Hilton Head Island, Hilton Head Airport, SC | 13 mi | 93 min | N 0 | 10.00 mi | Fair | 79°F | 75°F | 89% | 1016.9 hPa |
Link to 5 minute data for KARW
Wind History from ARW (wind in knots)
| 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 | 6 AM | 7 AM | |
| Last 24hr | SW | W | W | SW | SW | W | SW | S | SE | W G15 | S | SW | S | Calm | Calm | S | S | S | W | SW | Calm | W | ||
| 1 day ago | Calm | W | S | SW | SW | SW | S | SW G14 | S G16 | S | S G15 | S | SW | S | S | SW | W | |||||||
| 2 days ago | Calm | Calm | SW | S | SW | Calm | S | S | S | SE | S | SE | S | SE | S | SW | Calm |
Tide / Current Tables for Battery Creek, 4 mi. above entrance, Beaufort River, South Carolina
EDIT Weekend mode (on/off) (on/off) Help One Week of DataBattery Creek
Click for Map
Fri -- 12:12 AM EDT Moonrise
Fri -- 02:56 AM EDT 7.04 feet High Tide
Fri -- 06:51 AM EDT Sunrise
Fri -- 08:35 AM EDT 0.75 feet Low Tide
Fri -- 10:58 AM EDT Last Quarter
Fri -- 02:01 PM EDT Moonset
Fri -- 03:27 PM EDT 7.90 feet High Tide
Fri -- 07:58 PM EDT Sunset
Fri -- 09:12 PM EDT 1.38 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 12:12 AM EDT Moonrise
Fri -- 02:56 AM EDT 7.04 feet High Tide
Fri -- 06:51 AM EDT Sunrise
Fri -- 08:35 AM EDT 0.75 feet Low Tide
Fri -- 10:58 AM EDT Last Quarter
Fri -- 02:01 PM EDT Moonset
Fri -- 03:27 PM EDT 7.90 feet High Tide
Fri -- 07:58 PM EDT Sunset
Fri -- 09:12 PM EDT 1.38 feet Low Tide
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 |
| 5 | 6.1 | 6.8 | 7 | 6.6 | 5.3 | 3.6 | 2 | 0.9 | 0.8 | 1.5 | 2.9 | 4.5 | 6.1 | 7.2 | 7.8 | 7.7 | 6.7 | 5.1 | 3.4 | 2 | 1.4 | 1.6 | 2.4 |
Tide / Current Tables for Brickyard Point, Brickyard Creek, South Carolina
EDIT (on/off) Help One Week of DataBrickyard Point
Click for Map
Fri -- 12:12 AM EDT Moonrise
Fri -- 03:13 AM EDT 6.79 feet High Tide
Fri -- 06:51 AM EDT Sunrise
Fri -- 09:18 AM EDT 0.78 feet Low Tide
Fri -- 10:58 AM EDT Last Quarter
Fri -- 02:02 PM EDT Moonset
Fri -- 03:44 PM EDT 7.62 feet High Tide
Fri -- 07:58 PM EDT Sunset
Fri -- 09:55 PM EDT 1.44 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 12:12 AM EDT Moonrise
Fri -- 03:13 AM EDT 6.79 feet High Tide
Fri -- 06:51 AM EDT Sunrise
Fri -- 09:18 AM EDT 0.78 feet Low Tide
Fri -- 10:58 AM EDT Last Quarter
Fri -- 02:02 PM EDT Moonset
Fri -- 03:44 PM EDT 7.62 feet High Tide
Fri -- 07:58 PM EDT Sunset
Fri -- 09:55 PM EDT 1.44 feet Low Tide
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 |
| 4.3 | 5.5 | 6.4 | 6.8 | 6.6 | 5.7 | 4.3 | 2.8 | 1.5 | 0.8 | 1 | 2 | 3.6 | 5.2 | 6.6 | 7.4 | 7.6 | 7 | 5.7 | 4.1 | 2.7 | 1.8 | 1.4 | 1.9 |
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 Charleston, SC (7,2,3,4)
(on/off) Help
Ground Weather Radar Station Charleston, SC
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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. |