Websep 13, 2024 · weather for north myrtle beach, south carolina. E 18. 3 mph. Web4 days ago · water temperature of the atlantic ocean in myrtle beach, sc. Monday, october 7, 2024, 4:06 am edt. Webnorth myrtle beach, horry county water and sea temperatures for today, this week, this month and this year. Webnorth myrtle/27th avenue south sea water temperatures peak in the range 27 to 29°c (81 to 84°f) on around the 23rd of july and are at their coldest on about the 24th of. Webknow the sea water temperature in north myrtle beach and the hourly evolution for the next few days.