Thursday, July2, 2020
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Marine Weather and Tides
Red Hill, SC

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:08AMSunset 8:31PM Thursday July 2, 2020 5:53 AM EDT (09:53 UTC) Moonrise 5:14PMMoonset 2:49AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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AMZ254 Coastal Waters From Little River Inlet To Murrells Inlet Sc Out 20 Nm- 330 Am Edt Thu Jul 2 2020
Through 7 am..W winds 5 kt. Seas 2 ft.
Today..NW winds 5 kt, becoming se in the afternoon. Seas 2 ft. A chance of showers and tstms in the afternoon.
Tonight..E winds 5 kt, becoming ne after midnight. Seas 2 ft. A chance of showers and tstms in the evening.
Fri..N winds 5 to 10 kt, becoming se in the afternoon. Seas 2 ft.
Fri night..S winds 5 to 10 kt, becoming sw after midnight. Seas 2 ft.
Sat..W winds 5 kt, becoming S in the afternoon. Seas 2 ft.
Sat night..SW winds 5 to 10 kt. Seas 2 ft.
Sun..SW winds 5 kt, becoming se. Seas 2 ft. A chance of showers and tstms through the night.
Mon..SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms.
AMZ200 330 Am Edt Thu Jul 2 2020
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Showers and Thunderstorms continue as a cold front meanders across the waters before shifting south and east into Fri. High pressure will build south across the local waters through the july 4th upcoming weekend.


7 Day Forecast for Marine Location Near Red Hill, SC
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location: 33.75, -79.07     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 020658 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 258 AM EDT Thu Jul 2 2020

SYNOPSIS. A weak front will move south of the area this afternoon. Scattered showers and thunderstorms may develop along the front and the sea breeze this afternoon. Weak high pressure will build in from the north for the weekend. Unsettled conditions will return for the start of next week.

NEAR TERM /THROUGH FRIDAY/. Little changes in weather expected over the next 24 hours. A frontal boundary lingers across the Carolinas today and tonight, which will bring more rounds of afternoon and evening slow moving thunderstorms with heavy downpours of rain. Poor drainage and low lying areas could see some minor flooding in the heaviest downpours. Otherwise, warm again with heat indices in the low to mid 90s. The frontal boundary drops to the south Friday, which may bring some more stable conditions with a more isolated thunderstorm or two possible, but warm and humid conditions continue Friday.

SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY NIGHT/. Surface boundary will remain stalled south of the area through Sat night with high pressure weakly building in from the north. Deep northerly flow aloft will spread dry air over the forecast area. Precipitable water drops to around 1.2 inches Fri night and hovers around 1.4 inches Sat before creeping up a bit Sat night. Environmental factors should keep the majority of the region dry through Sat night. Cannot rule out a brief, isolated shower along the sea breeze Sat afternoon. However, total rainfall from any such feature would be on the order of a few hundredths. Temperatures will run a few degrees above climo.

LONG TERM /SUNDAY THROUGH WEDNESDAY/. Although confidence in development of a surface wave/low along the front stalled to the south Sun is high, location of the low and its eventual track/timing remain uncertain. Medium range guidance has trended toward a common solution with a weak low passing off the Southeast coast, but the details remain somewhat fuzzy. Heaviest rain should remain offshore as the low passes sometime Tue, but could see some rainfall spread west across the forecast area. Low exits northeast Tue night with surface and mid-level ridging expanding over the region from the southwest Wed.

- Limited rainfall chances Sun increase later Mon and continue into Tue as low passes off the coast.

- Scattered showers and thunderstorms Wed as a more typical summertime pattern returns.

- High temperatures near normal Sun drop a little below climo Mon/Tue then return near normal Wed.

- Lows will run a few degrees above climo.

AVIATION /07Z THURSDAY THROUGH MONDAY/. Scattered mid deck with patchy fog for NC terminals and SC terminals along the coast. Calm winds become easterly later today with vicinity showers and thunderstorms developing again this afternoon.

Extended Outlook . Isolated showers and thunderstorms Fri thru the upcoming weekend. Stormy afternoon and evenings possible into early next week. Early morning MVFR/IFR conditions possible from BR and low stratus.

MARINE. Fairly benign sea conditions with significant wave heights between 2 and 3 feet for the next 36 hours. Main wind wave expected from the southwest between 4 and 6 seconds and a southeast swell between 9 and 11 seconds. Several wind shifts over the next 36 hours starting from the east today shifting to the north tonight. North winds continue into Friday then shifting to the south, mainly at 10 kts or less with gusts to 20 kts at times near the coast and beyond 15 NM. Showers and thunderstorms could develop during the afternoon and evening hours, some of which may bring locally higher winds and waves. Moderate risk for rip currents for east facing NC beaches today.

Weak high pressure building in from the north this weekend will result in light northerly flow at night. The sea breeze will mask the synoptic wind field, resulting in south to southeast flow Sat and Sun. Low pressure will move northeast, toward the waters, along a stalled surface boundary Mon, increasing southeast winds. Seas around 2 ft through Sun will build to 3 to 4 ft Sun night and 3 to 5 ft Mon. The southerly wind wave will continue to be dominant, potentially becoming a southeast wind wave late Mon. An easterly swell will continue through Mon.

ILM WATCHES/WARNINGS/ADVISORIES. SC . None. NC . None. MARINE . None.



NEAR TERM . MCK SHORT TERM . III LONG TERM . III AVIATION . MCK MARINE . MCK/III


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MROS1 - 8661070 - Springmaid Pier, SC 10 mi65 min 76°F
NIWS1 - North Inlet-Winyah Bay Reserve, SC 28 mi68 min Calm 76°F 1010 hPa76°F
41024 - Sunset Nearshore (SUN 2) 32 mi45 min N 3.9 G 5.8 78°F 80°F1009.9 hPa
41119 32 mi36 min 80°F2 ft

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Conway Horry County Airport, SC6 mi58 minN 010.00 miFair72°F71°F100%1010.2 hPa
Myrtle Beach International Airport, SC8 mi57 minN 410.00 miFair76°F75°F97%1010.1 hPa
North Myrtle Beach Grand Strand Airport, SC19 mi60 minN 010.00 miFair77°F75°F94%1009.9 hPa

Link to 5 minute data for KHYW

Wind History from HYW (wind in knots)
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Last 24hrCalmCalmCalmNE3CalmCalmCalmCalmCalmCalmS8S3SE3S4S3CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalmW3SW3CalmSE6SE6NE10SE4CalmCalmCalmCalmCalmCalmCalmCalmN3Calm
2 days agoCalmS3SW4CalmCalmNW3W4NW3W4CalmNW3NW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Keysfield, Waccamaw River, South Carolina
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Keysfield
Click for Map
Thu -- 12:07 AM EDT     1.75 feet High Tide
Thu -- 03:48 AM EDT     Moonset
Thu -- 06:09 AM EDT     Sunrise
Thu -- 06:34 AM EDT     0.10 feet Low Tide
Thu -- 12:17 PM EDT     1.41 feet High Tide
Thu -- 06:14 PM EDT     Moonrise
Thu -- 06:39 PM EDT     -0.38 feet Low Tide
Thu -- 08:30 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.71.41.10.70.40.10.10.30.711.31.41.41.10.80.3-0.1-0.3-0.4-0.10.30.81.3

Tide / Current Tables for Conway, RR. bridge, Waccamaw River, South Carolina
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Conway
Click for Map
Thu -- 01:17 AM EDT     1.57 feet High Tide
Thu -- 03:48 AM EDT     Moonset
Thu -- 06:09 AM EDT     Sunrise
Thu -- 07:42 AM EDT     0.09 feet Low Tide
Thu -- 01:27 PM EDT     1.26 feet High Tide
Thu -- 06:14 PM EDT     Moonrise
Thu -- 07:47 PM EDT     -0.32 feet Low Tide
Thu -- 08:30 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.61.51.310.70.40.10.10.30.50.81.11.21.210.70.40-0.2-0.3-0.10.20.7

Weather Map
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wmap_A
GEOS 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 Wilmington, NC (5,6,7,8)
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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 numerous 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.