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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 7:19AM | Sunset 6:42PM | Wednesday October 16, 2019 8:49 AM EDT (12:49 UTC) | Moonrise 7:39PM | Moonset 8:44AM | Illumination 92% |  |
AMZ254 Coastal Waters From Little River Inlet To Murrells Inlet Sc Out 20 Nm- 609 Am Edt Wed Oct 16 2019
.small craft advisory in effect through Thursday morning...
Today..S winds 10 to 15 kt, becoming sw 20 to 25 kt late this morning and early afternoon, then becoming W 15 to 20 kt late. Seas 3 to 4 ft, building to 4 to 6 ft this afternoon. Showers this morning, then a chance of showers with isolated tstms this afternoon. Vsby 1 to 3 nm late this morning.
Tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A slight chance of showers in the evening.
Thu..NW winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft.
Thu night..NW winds 10 to 15 kt. Seas 2 ft.
Fri..N winds 10 to 15 kt, diminishing to 10 kt. Seas 2 ft, then 1 to 2 ft.
Sat..SE winds 10 kt. Seas 2 ft, building to 3 to 4 ft.
Sun..SE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers through the night. Winds and seas higher in and near tstms.
.small craft advisory in effect through Thursday morning...
Today..S winds 10 to 15 kt, becoming sw 20 to 25 kt late this morning and early afternoon, then becoming W 15 to 20 kt late. Seas 3 to 4 ft, building to 4 to 6 ft this afternoon. Showers this morning, then a chance of showers with isolated tstms this afternoon. Vsby 1 to 3 nm late this morning.
Tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A slight chance of showers in the evening.
Thu..NW winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft.
Thu night..NW winds 10 to 15 kt. Seas 2 ft.
Fri..N winds 10 to 15 kt, diminishing to 10 kt. Seas 2 ft, then 1 to 2 ft.
Sat..SE winds 10 kt. Seas 2 ft, building to 3 to 4 ft.
Sun..SE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers through the night. Winds and seas higher in and near tstms.
AMZ200 609 Am Edt Wed Oct 16 2019
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Low pressure off the southeast u.s. Coast will intensify as it accelerates northeast along the carolina coasts today. The deepening low will reach the delmarva coast this evening, slowing down as it moves along the new england coast Thursday. Expect small craft advisory conditions across the area waters late tonight through Thursday. Cool high pressure will build over the waters Thursday night and Friday, then track offshore this weekend.
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Low pressure off the southeast u.s. Coast will intensify as it accelerates northeast along the carolina coasts today. The deepening low will reach the delmarva coast this evening, slowing down as it moves along the new england coast Thursday. Expect small craft advisory conditions across the area waters late tonight through Thursday. Cool high pressure will build over the waters Thursday night and Friday, then track offshore this weekend.
7 Day Forecast for Marine Location Near Little River, SC
Hourly EDIT Helplocation: 33.86, -78.64 debug
Area Discussion for - Wilmington, NC
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kilm 161140 afdilm area forecast discussion national weather service wilmington nc 740 am edt Wed oct 16 2019 Synopsis A rising warm front will lead to rain this morning. Unseasonably cool weather will arrive Thursday as high pressure builds in through Friday. Temperatures will warm through the weekend as the high shifts offshore. Rainfall chances will increase early next week as a warm front lifts north across the area. Near term through Thursday Wet morning shaping up as warm front loaded with precipitable water content lifts north and east across the area ahead of a progressive, and approaching cold front. The upper trough progression will force a large pool of high pwat content offshore, limiting local qpf. High rainfall variability is expected due to the disorganized form of precipitation expected about the region, with convective processes in the mix, but generally 1 3-1.0 inch, coast favored for higher totals. The progression brings swift mid-level drying in afternoon, complicating maximum-t forecasts, as downslope flow and partial sun before lagging cold air advection potentially warms for several hours, middle and upper 70s is currently the expected range. Absolute humidity takes a nose-dive tonight. Sunshine and breezy, upper 60s to 70 for highs Thursday as the air mass change has transpired, leading to the coolest air of fall heading into Thursday night. The mixing profile Thursday will promote afternoon NW wind gusts of 20-25 mph on occasion. Short term Thursday night through Friday night Very quiet conditions through the short term period as surface high pressure settles in from the northwest. Expect the coolest readings of the early fall season with widespread lows in the 40s. Better radiational conditions will develop Saturday morning which could be the cooler of the periods. Highs Friday will be in the middle to upper 60s. Long term Saturday through Tuesday Shaping up to be an unsettled extended forecast although confidence is a little lower than usual. It appears two systems will affect the area. First an area of low pressure moving up from the gulf of mexico Sunday and a more dynamic system early next week. Details are scant this far out but we are maintaining pops from about Sunday onward. Temperatures will see a consistent warming trend. Aviation 12z Wednesday through Sunday Dreary conditions this morning as a warm front makes it way northward through our area, followed by a cold front passage this afternoon. Mainly ifr lifr ceilings in NE sc, with MVFR at myr cre along the coast, with cloudyVFR in SE nc. MVFR coastal |
and ifr inland ceilings to make their way across nc over the next hour or so. Expect sub-vfr conditions and light rain to continue across the area into early afternoon hours, before conditions begin to improve ahead of cold front. Southerly winds this morning will quickly veer to westerlies by around 20z, with sustained winds of 10-15 kts and gusts around 20 kts this afternoon. NW winds between 5-10 kts overnight. Extended outlook... PredominatelyVFR through extended. Sub-vfr conditions possible Sunday with return of unsettled weather. Marine Marine visibility may become problematic this morning in rain, and hazardous seas offshore can be expected in advance of a warm front, and strong, approaching cold front. As a result, advisory flags are raised this period. Steep S waves 3 to 6 feet every 6 to 7 seconds will develop in afternoon. Isolated tstms and showers may produce gusts in excess of 30 knots during afternoon to early evening. Thursday will remain difficult, as NW wind-waves interact with residual s-ssw waves much of the morning. This will be most contentious offshore, where higher wind-seas will reside. The advisory could be extended into Thursday afternoon because of nw wind gusts offshore near or greater than 20 kt. There will be another day or so of offshore winds although the speeds will be settling down and with speeds dropping down to 10-15 knots or less. For the weekend into next week an onshore flow develops with similar wind speeds. Overall with the chance in fetch and lower wind speeds, significant seas are 2-4 feet with the higher values developing late in the period. Tides coastal flooding Minor tidal flooding requires an advisory for the lower CAPE fear river with this late morning's high tide. This to include downtown wilmington, and the battleship park grounds across the way. Ilm watches warnings advisories Sc... None. Nc... Coastal flood advisory until noon edt today for ncz107. Marine... Small craft advisory until noon edt Thursday for amz250-252- 254-256. Synopsis... Shk near term... Mjc short term... Shk long term... Shk aviation... Vao marine... Mjc shk 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 |
| 41119 | 8 mi | 120 min | 75°F | 2 ft | ||||
| 41024 - Sunset Nearshore (SUN 2) | 9 mi | 42 min | SSE 19 G 29 | 72°F | 75°F | 1009.1 hPa | ||
| MROS1 - 8661070 - Springmaid Pier, SC | 20 mi | 56 min | 73°F | |||||
| 41108 | 34 mi | 50 min | 76°F | 2 ft | ||||
| WLON7 | 44 mi | 56 min | 67°F | 74°F | 1009.7 hPa | |||
| NIWS1 - North Inlet-Winyah Bay Reserve, SC | 46 mi | 65 min | S 7 | 71°F | 1008 hPa | 71°F |
Wind History for Springmaid Pier, SC
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
| 1 day ago | ||||||||||||||||||||||||
| 2 days ago |
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 |
| North Myrtle Beach Grand Strand Airport, SC | 5 mi | 57 min | S 14 G 20 | 10.00 mi | Light Rain | 0°F | 0°F | % | 1009 hPa |
| Myrtle Beach Air Force Base, SC | 19 mi | 54 min | S 19 | 10.00 mi | Light Rain and Breezy | 72°F | 69°F | 91% | 1008.5 hPa |
Link to 5 minute data for KCRE
Wind History from CRE (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 | NE | NE | N | NE | E | E | E | E | E | E | Calm | N | E | NE | Calm | SE | Calm | N | S | SE | SE | SE | S G18 | S G20 |
| 1 day ago | N | N | W | Calm | Calm | SW | S | S | S | SW | Calm | Calm | W | Calm | Calm | Calm | Calm | Calm | Calm | Calm | N | Calm | Calm | |
| 2 days ago | Calm | S | SW | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | W | Calm | W | SW | W | W | Calm |
Tide / Current Tables for Nixon Crossroads, South Carolina
EDIT Weekend mode (on/off) (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Tide / Current Tables for Sunset Beach Pier, Atlantic Ocean, North Carolina
EDIT (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Weather Map
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GEOS 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 Wilmington, NC (8,2,3,4)
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Ground Weather Radar Station Wilmington, NC
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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. |