Thursday, April2, 2020
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Marine Weather and Tides
Surfside Beach, 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 6:59AMSunset 7:38PM Thursday April 2, 2020 2:57 AM EDT (06:57 UTC) Moonrise 12:35PMMoonset 2:20AM Illumination 68% Phase: Waxing Gibbous; Moon at 9 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- 914 Pm Edt Wed Apr 1 2020
Overnight..N winds 10 to 15 kt, becoming nw 5 to 10 kt. Seas 2 to 3 ft.
Thu..NW winds 10 to 15 kt. Seas 2 to 3 ft.
Thu night..NW winds 10 to 15 kt. Seas 2 to 3 ft.
Fri..NW winds 10 to 15 kt. Seas 2 to 3 ft.
Fri night..N winds 5 to 10 kt. Seas 2 ft.
Sat..NE winds 5 to 10 kt, becoming e. Seas 2 to 3 ft.
Sun..E winds 5 kt, becoming s. Seas 2 to 3 ft.
Mon..SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 2 to 3 ft.
AMZ200 914 Pm Edt Wed Apr 1 2020
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. An exiting and strong low pressure system will keep elevated wind and seas through Thursday. Improving conditions expected late Friday through Sunday, as high pressure settles closer to the waters. SW winds will increase Monday ahead of an approaching cold front.


7 Day Forecast for Marine Location Near Surfside Beach, SC
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location: 33.58, -78.88     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 020512 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 112 AM EDT Thu Apr 2 2020

SYNOPSIS. High pressure slowly building in from the northwest will bring cooler and drier air to the region through the weekend. Light rain chances return early next week along with above normal temperatures.

UPDATE. No big changes necessary from the ongoing forecast with this update.

NEAR TERM /THROUGH FRIDAY/. Satellite data reveals the cloud extent, but notice thinning and fracturing trends taking place, as drying aloft, and SFC- 950mb drying unceasingly fans southward, tearing larger holes in the ceiling ever so gradually. This should, as has been advertised, bring clearing overnight. Short-wave energy however, west of the exiting trough axis, is apt to sustain a few cloud overnight, with heat-induced cumulus forming Thursday, as 850 moisture arrives on NW trajectories in conjunction with early April heating. The partial sunshine Thursday may hold max-T values below 70 deg most areas.

The next 2 mornings will be chilly, 3-7 degrees below average for the first couple days of April, low to middle 40s, upper 40s to 50 degrees at sunrise along the beaches and ICW.

SHORT TERM /FRIDAY NIGHT/. Beautiful weather Friday with near normal temps with weak high still building in from NW and mid-to-upper ridging to the SW. Deep NW flow will keep things dry and a little breezy Friday afternoon. Highs Friday around 70 degrees and lows Friday night in the mid to upper 60s.

LONG TERM /SATURDAY THROUGH WEDNESDAY/. Dry weather continues for the weekend with mid level ridging to the south and weak pressure pattern at the surface. May see increase in clouds Sunday, but will be nice weekend with highs in the low to mid 70s. Weak return flow develops late Sunday as high pressure begins to build offshore to the SE. This will lead to increasing temps and slow increase in dewpoints, with highs Monday pushing 80. A front approaches from the north on Monday, but looks to stall well to the north. Our next best rain chance looks to arrive on Tuesday into Wednesday, with weak isentropic lift developing in the low levels under SW flow, and precipitable water values increasing to a well above normal value of 1.8 inches.

AVIATION /06Z THURSDAY THROUGH MONDAY/. VFR throughout the 06Z Taf Issuance Period. For the 24 hr period, the Eastern Carolinas will remain centered between deep and expansive low pressure over the offshore Atlantic Waters and high pressure ridging just west of the Eastern Carolinas. The pressure gradient will tighten after daybreak Thu as a sfc trof rotating around the offshore low re-enhances the NW flow to 10-15 kt during the day, then backing to westerly around 5 kt after sunset. Current mid- level clouds should scour out by daytime morning.

Extended Outlook . VFR conditions through the weekend. Flight restrictions possible for the early to mid week portion of next week.

MARINE. Winds remain in a 15-20 kt range tonight and Thursday. As a result, rough conditions but no Advisory in effect, and caution is advised through Thursday. Brief improvement Thursday afternoon and evening, NW 10-15 kt, will likely increase again to 15-20 kt early Friday, as a slightly variable pressure gradient remains tight over the waters, with deep low pressure offshore, and high pressure NW of the waters.

Northwest flow Friday veers to northerly Saturday, remaining between 10 and 15 kts, with a weak ridge building to the north. Winds weaken and veer to ENE Saturday night through Sunday before southerly return flow develops late Sunday as high pressure builds to the southeast, around 10 kts. 2-3 ft seas Friday, generally wind chop. Seas increase on Saturday, mainly for SE NC coastal waters, to 3-5 ft as a 15 sec E swell arrives. May see a few 6 footers towards the outer waters, but current forecast keeps seas below Small Craft Advisory conditions. Elevated seas through Sunday will begin to decrease Sunday night, with 3-4 ft SE NC and 2-3 ft NE SC through Monday.

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

SYNOPSIS . ILM UPDATE . MAS NEAR TERM . MJC SHORT TERM . VAO LONG TERM . VAO AVIATION . DCH MARINE . MJC/VAO


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MROS1 - 8661070 - Springmaid Pier, SC 6 mi63 min 51°F
NIWS1 - North Inlet-Winyah Bay Reserve, SC 23 mi72 min NW 2.9 50°F 1014 hPa47°F
41024 - Sunset Nearshore (SUN 2) 28 mi49 min N 5.8 G 9.7 55°F 62°F1014.7 hPa
41119 28 mi67 min 62°F1 ft
41108 47 mi57 min 63°F3 ft

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Myrtle Beach International Airport, SC8 mi61 minN 010.00 miFair49°F46°F90%1015.4 hPa
North Myrtle Beach Grand Strand Airport, SC18 mi64 minWNW 310.00 miFair49°F46°F90%1015.1 hPa
Conway Horry County Airport, SC21 mi2 hrsN 010.00 miOvercast46°F44°F93%1015.6 hPa

Link to 5 minute data for KMYR

Wind History from MYR (wind in knots)
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1 day agoCalmCalmCalmN3N4N4N8NE11
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2 days agoW6W6W5W4SW4W5W10W9NW10NW10NW9NW73W10W6S8S7SW4CalmSW5CalmCalmNW4Calm

Tide / Current Tables for Myrtle Beach (Springmaid Pier), South Carolina
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Myrtle Beach (Springmaid Pier)
Click for Map
Thu -- 02:41 AM EDT     4.94 feet High Tide
Thu -- 03:20 AM EDT     Moonset
Thu -- 07:01 AM EDT     Sunrise
Thu -- 09:13 AM EDT     0.67 feet Low Tide
Thu -- 01:35 PM EDT     Moonrise
Thu -- 03:27 PM EDT     4.18 feet High Tide
Thu -- 07:37 PM EDT     Sunset
Thu -- 09:19 PM EDT     0.40 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.34.24.84.94.53.72.61.710.70.81.322.93.74.14.13.62.71.70.80.40.51.1

Tide / Current Tables for Springmaid Pier, Atlantic Ocean, South Carolina
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map
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wmap_A
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 Wilmington, NC (2,6,7,8)
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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.