Sea Temperature

Myrtle Beach Sea Temperature

(Today) Apr 2020

17.4°C / 63.3°F

Current weather

20°C / 68°F
(clear sky)

Partly cloudy

10 mph



The measurements for the water temperature in Myrtle Beach, South Carolina are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Monthly average max / min water temperatures

The graph below shows the range of monthly Myrtle Beach water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Myrtle Beach
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 12.8 11.7 12.2 14.5 17.9 23.4 26.2 27.2 25.6 21.5 18.2 15.2
Max °C 19.1 17.1 16.4 21.2 25.2 27.8 29.2 29.3 28.3 27.7 22.8 19.6
Min °F 57.5 55.2 55.6 60.7 67.1 75.9 80.4 81.8 79.1 73.2 66.6 61.1
Max °F 63.8 60.6 59.8 67.4 74.4 80.3 83.4 83.9 81.8 79.4 71.2 65.5

7 day tide forecast for Myrtle Beach

  • High 4:53am
  • Low 11:21am
  • High 5:27pm
  • Low 11:38pm
  • High 5:49am
  • Low 12:15pm
  • High 6:21pm
  • Low 12:36am
  • High 6:42am
  • Low 1:06pm
  • High 7:12pm
  • Low 1:30am
  • High 7:33am
  • Low 1:53pm
  • High 8:03pm
  • Low 2:22am
  • High 8:24am
  • Low 2:40pm
  • High 8:54pm
  • Low 3:13am
  • High 9:15am
  • Low 3:28pm
  • High 9:46pm
  • Low 4:04am
  • High 10:07am
  • Low 4:15pm
  • High 10:39pm
7 day tide times for Myrtle Beach

*These tide times are estimates based on the nearest port (Myrtle Beach, South Carolina) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average April sea temperatures

  • Max: 21.2°C / 70.1°F
  • Avg: 17.8°C / 64°F
  • Min: 14.5°C / 58°F
Myrtle Beach average sea temperature chart

These average ocean temperatures for Myrtle Beach are calculated from several years of archived data.

Map showing location of Myrtle Beach (33.689060, -78.886690)


Whilst sea temperatures for Myrtle Beach are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Myrtle Beach
Long Bay, MYR, Mertl Bich, Mertl-Bich, Myrtle Beach, New Town, matorubichi, mo te er bi qi, mrtl bych karwlynay jnwby, myrtl bytsh, Мертл Бич, Мертл-Бич, Мертл-Біч, مرتل بیچ، کارولینای جنوبی, ميرتل بيتش, میرٹل بیچ، جنوبی کیرولائنا, マートルビーチ, 默特尔比奇

Myrtle Beach average sea temperature chart