Long Beach Peninsula water temperature by month

Rarely reaches swimmable temperatures.

Month by month

Month Typical Feels
January 49° brisk
February 48° brisk
March 49° brisk
April 51° brisk
May 55° brisk
June 56° brisk
July 58° brisk
August 60° brisk
September 58° brisk
October 56° brisk
November 54° brisk
December 51° brisk

The year at a glance

40° 50° 60° 70° 60° 48° JFMAMJJASOND January: typically 49° — brisk February: typically 48° — brisk March: typically 49° — brisk April: typically 51° — brisk May: typically 55° — brisk June: typically 56° — brisk July: typically 58° — brisk August: typically 60° — brisk September: typically 58° — brisk October: typically 56° — brisk November: typically 54° — brisk December: typically 51° — brisk

The water right now

Typically about 56° in October — brisk.

from the buoy off the Columbia River mouth, about 10 miles away

brisk

bath-warm 80° and up perfect 72–79° refreshing 65–71° brisk below 65° 56° typical for October

About this reading

The reading comes from the buoy off the Columbia River mouth, just off the coast.

Reading from the buoy off the Columbia River mouth, about 10 miles away.

Warm water says nothing about surf, rip currents, or bacteria — check local lifeguard flags and advisories.