Webcity of laguna beach. 505 forest avenue laguna beach, ca 92651. Weblaguna beach water temperatures peak in the range 18 to 22°c (64 to 72°f) on around the 6th of september and are at their lowest on about the 5th of february, in the range 13 to. Webthis forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within. Web17. 9°c / 64. 3°f. The sea at laguna beach feels tepid so don't forget to pack your wetsuit! Average sea temp for laguna beach. The chart and table below are the sea.
