Sea Temperature

Myrtle Beach Sea Temperature

(Today) Oct 2018

26.1°C / 79°F

Current weather

19°C / 67°F
(clear sky)

Partly cloudy

3 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 03:15am
  • Low 09:17am
  • High 03:50pm
  • Low 10:07pm
  • High 04:08am
  • Low 10:19am
  • High 04:38pm
  • Low 10:58pm
  • High 04:56am
  • Low 11:14am
  • High 05:23pm
  • Low 11:43pm
  • High 05:41am
  • Low 12:01pm
  • High 06:06pm
  • Low 12:24am
  • High 06:23am
  • Low 12:46pm
  • High 06:47pm
  • Low 01:03am
  • High 07:04am
  • Low 01:28pm
  • High 07:28pm
  • Low 01:42am
  • High 07:45am
  • Low 02:10pm
  • High 08:09pm

*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 October sea temperatures

  • Max: 27.7°C / 81.9°F
  • Avg: 24.6°C / 76.3°F
  • Min: 21.5°C / 70.7°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