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Marine Weather and Tides
Version 3.4 |
10/9/2019 Updated the Marine Zones. 9/4/2019 Fixed the weather maps due to NOAA moving them. 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 7:26AM | Sunset 6:51PM | Wednesday October 16, 2019 8:35 AM EDT (12:35 UTC) | Moonrise 7:50PM | Moonset 8:50AM | Illumination 92% |  |
AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 744 Am Edt Wed Oct 16 2019
.small craft advisory in effect until 5 pm edt this afternoon...
Today..SW winds 20 to 25 kt, becoming W 15 to 20 kt this afternoon. Seas 4 to 6 ft. Showers with a slight chance of tstms this morning, then a chance of showers this afternoon.
Tonight..W winds 15 to 20 kt, becoming nw after midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.
Thu..N winds 10 to 15 kt, becoming nw 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Thu night..NW winds 10 kt. Seas 2 ft.
Fri..NE winds 5 to 10 kt. Seas 2 ft.
Fri night..E winds 5 to 10 kt. Seas 2 ft. A slight chance of showers after midnight.
Sat..SE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers with a slight chance of tstms.
Sat night..SE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers.
Sun..S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers with a slight chance of tstms.
Sun night..S winds 10 kt. Seas 3 to 4 ft. A chance of showers. Mariners are reminded that winds and seas higher in and near tstms.
.small craft advisory in effect until 5 pm edt this afternoon...
Today..SW winds 20 to 25 kt, becoming W 15 to 20 kt this afternoon. Seas 4 to 6 ft. Showers with a slight chance of tstms this morning, then a chance of showers this afternoon.
Tonight..W winds 15 to 20 kt, becoming nw after midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.
Thu..N winds 10 to 15 kt, becoming nw 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Thu night..NW winds 10 kt. Seas 2 ft.
Fri..NE winds 5 to 10 kt. Seas 2 ft.
Fri night..E winds 5 to 10 kt. Seas 2 ft. A slight chance of showers after midnight.
Sat..SE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers with a slight chance of tstms.
Sat night..SE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers.
Sun..S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers with a slight chance of tstms.
Sun night..S winds 10 kt. Seas 3 to 4 ft. A chance of showers. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 744 Am Edt Wed Oct 16 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A cold front will move through this evening, followed by dry high pressure Thursday and Friday. A storm system originating in the gulf of mexico should bring our area unsettled weather this weekend, followed by another cold front the first half of next week.
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A cold front will move through this evening, followed by dry high pressure Thursday and Friday. A storm system originating in the gulf of mexico should bring our area unsettled weather this weekend, followed by another cold front the first half of next week.
7 Day Forecast for Marine Location Near Hilton Head Island, SC
Hourly EDIT Helplocation: 32.22, -80.77 debug
Area Discussion for - Charleston, SC
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kchs 161150 afdchs area forecast discussion national weather service charleston sc 750 am edt Wed oct 16 2019 Synopsis A cold front will move through this evening, followed by dry high pressure Thursday and Friday. A storm system originating in the gulf of mexico should bring our area unsettled weather this weekend, followed by another cold front the first half of next week. Near term through tonight At sunrise: the heaviest precipitation shield has moved through and off to the east. Now all that is left behind is isolated to scattered showers. From mid morning onward, model time heights and soundings show a distinct drying trend in the mid and upper levels which will shut off the generation of widespread significant rainfall. However, into the afternoon, scattered showers are expected with lingering low level moisture, forcing from the trough aloft, and some weak instability. Don't think there will be enough for thunder, but showers look quite certain. Therefore, rain chances remain in the 20-30 percent range through the afternoon. The actual cold front shows up well in thetae plots, and we will remain in the warm sector ahead of the front through the day. With decreasing clouds and increasing sun, we should still be able to get highs into the low 80s, with some chance for mid 80s as well. Winds will turn more westerly by the afternoon with frequent gusts into the 20-25 mph range. Tonight: the cold front will begin crossing the forecast area this evening and should be solidly offshore by the early morning hours. Skies will clear and much cooler drier air will filter in. Look for lows to fall into the upper 40s well inland, ranging to the mid 50s right at the coast. Short term Thursday through Saturday Thursday: a mid-level trough is expected to be along or just off the east coast while ridging builds over the central u.S. And ms valley. Broad surface high pressure initially centered over arkansas in the morning will move over the tn valley in the afternoon, prevailing into the evening and overnight. Its periphery will stretch into our area, bringing subsidence, dry conditions, and mostly sunny skies. The cooler airmass will make daytime temperature feel more like fall for a change. Highs will struggle to make it to 70 degrees in our sc counties, and the mid 70s in our ga counties. Lows will be chilly, falling into the 40s across most of our inland locations, warmer along the immediate coast. Friday: a mid-level trough initially located off the east coast will get pushed away by a strengthening ridge approaching from the west. The ridge should move over the east coast overnight. Broad surface high pressure initially centered along the central appalachians will shift eastward into the afternoon and overnight. Its periphery will stretch into our area, bringing subsidence, dry conditions, and mostly sunny skies. High temperatures will be similar to Thursday, mainly due to northeast surface winds. Overnight is when things start to change as moisture associated with a system in the gulf of mexico starts creeping into our area. Models are in decent agreement indicating showers making their way into our area, mainly south of i- 16 after midnight. We have chance pops there, but they will need to be adjusted more based on timing intensity refinements. With increasing clouds, low temperatures should be a few degrees warmer than the previous night. Saturday: a mid-level ridge along the east coast will slowly drift offshore. The 00z models made quite a swing, and they all seem to have hit in the same general direction. They now show a storm system originating in the gulf of mexico with its low moving onshore along or near the fl panhandle later in the day. The NHC is monitoring this system for potential development. Even if it does develop into something, it'll be quick to move onshore and transition to a rain- making system. We only have chance pops at this time, mainly because we didn't want to go |
too much higher than all of our neighbors. But if the trends continue, then these pops will have to be raised substantially. It'll depend on the exact location of the system and its overall intensity. Long term Saturday night through Tuesday Focus will initially be on a storm system moving into or nearby the fl panhandle Saturday night, then moving over or nearby our area Sunday into Monday. Models are in pretty good agreement showing a wide swath of rainfall during this time period across the southeast. Though, they differ a bit on rainfall amounts and locations with the highest amounts, which is to be expected this far out. Once this system moves away later Monday a cold front is forecasted to approach on Tuesday, bringing another batch of rain. Overall, we should expect a wet long term. Pops may need to be raised much more than we're currently showing. Aviation 12z Wednesday through Sunday Flight categories are mainly in the MVFR range and should stay there through mid morning through a combination of ceilings and visibility in passing showers. By mid to late morning,VFR conditions should return either through a lifting of the ceiling or scattering of the deck. Through the day, showers will be possible as well as gusty southwest winds into the 20-25 knot range. Overnight, clear skies will prevail with northwest winds. Extended aviation outlook:VFR Thursday and Friday. A storm system originating in the gulf of mexico is expected to bring flight restrictions this weekend. Marine Today: conditions are quickly deteriorating this morning as a surface low develops across southeast georgia. This feature will track to the northeast along the coast and bring quickly increasing winds to the local waters this morning. Wind speeds 20-25 knot with gusts to 30 knots are expected across all waters outside of the charleston harbor. Winds will remain elevated through the day, with a brief lull this evening ahead of an approaching cold front. Small craft advisories remain in effect for all waters, and an advisory has been hoisted for the charleston harbor that runs through the afternoon. Also this morning, areas of moderate to heavy rain will pass through the waters and lead to reduced visibility. Tonight: the cold front will move into the waters this evening, pushing well offshore through the overnight. Northwest winds should be primarily in the 15-20 knot range in the cold advection, but a few gusts to 25 knots will be possible especially in the outer georgia waters. The advisory for the outer georgia waters has been extended through 2 am. High pressure will bring tranquil marine conditions Thursday and Friday. A storm system originating in the gulf of mexico is expected to move onshore along or nearby the fl panhandle the first half of the weekend, then move over or nearby our area early next week. Depending on the track and overall intensity of this system, small craft advisories may be needed. Tides coastal flooding Tidal departures have quickly increased and it looks like the tide will peak right at or just above 7 ft mllw. Issued a coastal flood advisory through noon. High tide is around 10 am. Chs watches warnings advisories Ga... None. Sc... Coastal flood advisory until noon edt today for scz048>050. Marine... Small craft advisory until 5 pm edt this afternoon for amz330- 352-354. Small craft advisory until 8 pm edt this evening for amz350. Small craft advisory until 2 am edt Thursday for amz374. Near term... Bsh short term... Ms long term... Ms aviation... Bsh ms marine... Bsh ms tides coastal flooding... |
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 |
| FPKG1 - 8670870 - Fort Pulaski, GA | 15 mi | 53 min | SSW 2.9 G 5.1 | 72°F | 77°F | 1009.2 hPa | ||
| 41033 | 20 mi | 27 min | W 7.8 G 12 | 72°F | 77°F | 1010.2 hPa | ||
| ACXS1 - ACE Basin Reserve, SC | 29 mi | 110 min | W 1 | 70°F | 1010 hPa | 70°F | ||
| FBIS1 - Folly Island, SC | 57 mi | 35 min | SW 11 G 17 | 71°F | 1008.8 hPa (-3.1) | 71°F |
Wind History for Fort Pulaski, GA
(wind in knots) EDIT (on/off) Help| 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 | 8 AM | |
| Last 24hr | NW | NW | N | W | NW | -- | NW | SW | S | NE | SE | SE | SE | SE G9 | S | SE | SE | S | SE G8 | SW G21 | W G12 | W | S | SW |
| 1 day ago | W | W | NW | NW | NW | NW | W | NW | W | NW | W | S | S | S | SW | SW | W | NW | NW | NW | W | W | NW G9 | NW G12 |
| 2 days ago | SW G8 | W G10 | SW | SW G9 | SW | SW G12 | S G11 | S G10 | S G11 | S G13 | S G11 | S G10 | S G7 | S G11 | S G11 | S G8 | S G9 | SW | NW | NW | NW | S G11 | SW G10 | 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 |
| Hilton Head Island, Hilton Head Airport, SC | 4 mi | 45 min | SSW 5 | 5.00 mi | Light Rain | 70°F | 68°F | 94% | 1009.1 hPa |
| Beaufort County Airport, SC | 15 mi | 40 min | SSW 3 | 2.50 mi | Light Drizzle | 68°F | 68°F | 100% | 1008.8 hPa |
| Savannah-Hilton Head International Airport, GA | 23 mi | 42 min | S 4 | 10.00 mi | Overcast | 70°F | 70°F | 100% | 1008.8 hPa |
| Hunter U. S. Army Airfield, GA | 24 mi | 1.7 hrs | SSE 3 | 10.00 mi | Light Rain | 70°F | 68°F | 94% | 1009.1 hPa |
Link to 5 minute data for KHXD
Wind History from HXD (wind in knots)
| 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 | 8 AM | |
| Last 24hr | SW | SW | NW | Calm | W | Calm | Calm | NW | Calm | Calm | Calm | Calm | Calm | Calm | S | S | S G16 | Calm | S | Calm | SW G16 | SW | SW | |
| 1 day ago | W | W | W | W | N | N G11 | N | N | S G11 | S | S | S | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm |
| 2 days ago | N | SW | W | S | SW | SW | S | S | S | S | S | S | S | S G13 | S G14 | S G13 | S | SW | Calm | Calm | W | S | SW |
Tide / Current Tables for Skull Creek, south entrance, Hilton Head Island, South Carolina
EDIT Weekend mode (on/off) (on/off) Help One Week of DataSkull Creek
Click for Map
Wed -- 04:35 AM EDT 0.56 feet Low Tide
Wed -- 07:27 AM EDT Sunrise
Wed -- 09:50 AM EDT Moonset
Wed -- 10:39 AM EDT 8.49 feet High Tide
Wed -- 05:00 PM EDT 0.93 feet Low Tide
Wed -- 06:49 PM EDT Sunset
Wed -- 08:49 PM EDT Moonrise
Wed -- 11:01 PM EDT 7.53 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 04:35 AM EDT 0.56 feet Low Tide
Wed -- 07:27 AM EDT Sunrise
Wed -- 09:50 AM EDT Moonset
Wed -- 10:39 AM EDT 8.49 feet High Tide
Wed -- 05:00 PM EDT 0.93 feet Low Tide
Wed -- 06:49 PM EDT Sunset
Wed -- 08:49 PM EDT Moonrise
Wed -- 11:01 PM EDT 7.53 feet High 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 |
| 6.8 | 5.4 | 3.6 | 1.9 | 0.8 | 0.7 | 1.7 | 3.6 | 5.7 | 7.4 | 8.3 | 8.4 | 7.7 | 6.3 | 4.6 | 2.9 | 1.5 | 0.9 | 1.5 | 2.9 | 4.6 | 6.2 | 7.2 | 7.5 |
Tide / Current Tables for Savannah River Entrance, Georgia Current
EDIT (on/off) Help One Week of DataSavannah River Entrance
Click for Map
Wed -- 02:00 AM EDT -1.78 knots Max Ebb
Wed -- 05:13 AM EDT 0.01 knots Slack
Wed -- 07:27 AM EDT Sunrise
Wed -- 07:52 AM EDT 2.26 knots Max Flood
Wed -- 09:50 AM EDT Moonset
Wed -- 11:22 AM EDT -0.00 knots Slack
Wed -- 02:15 PM EDT -2.02 knots Max Ebb
Wed -- 05:47 PM EDT 0.00 knots Slack
Wed -- 06:50 PM EDT Sunset
Wed -- 08:16 PM EDT 1.89 knots Max Flood
Wed -- 08:50 PM EDT Moonrise
Wed -- 11:52 PM EDT -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 02:00 AM EDT -1.78 knots Max Ebb
Wed -- 05:13 AM EDT 0.01 knots Slack
Wed -- 07:27 AM EDT Sunrise
Wed -- 07:52 AM EDT 2.26 knots Max Flood
Wed -- 09:50 AM EDT Moonset
Wed -- 11:22 AM EDT -0.00 knots Slack
Wed -- 02:15 PM EDT -2.02 knots Max Ebb
Wed -- 05:47 PM EDT 0.00 knots Slack
Wed -- 06:50 PM EDT Sunset
Wed -- 08:16 PM EDT 1.89 knots Max Flood
Wed -- 08:50 PM EDT Moonrise
Wed -- 11:52 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 |
| -0.7 | -1.5 | -1.8 | -1.6 | -1.2 | -0.3 | 1 | 2 | 2.3 | 1.8 | 1.1 | 0.3 | -0.6 | -1.6 | -2 | -1.9 | -1.6 | -0.9 | 0.2 | 1.3 | 1.9 | 1.7 | 1.2 | 0.6 |
Weather Map
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GEOS Local Image of Southeast 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 (8,2,3,4)
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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. |