Key Takeaways
- Wetsuit thickness maps directly to water temperature. A 3/2mm fits most of California year-round. Below 55°F, add boots, gloves, and hood.
- 72°F+ = trunks, 65-72°F = 2mm, 60-65°F = 3/2mm, 55-60°F = 4/3mm + boots, below 55°F = 5/4mm + full accessories.
- Check water temp before packing. Most surfers need two suits — summer and winter. Budget $200-400 for a quality full suit.
The Short Answer
Match wetsuit thickness to water temperature: Above 72°F: boardshorts or rashguard. 65-72°F: 2mm spring suit or shorty. 60-65°F: 3/2mm full suit (standard California suit). 55-60°F: 4/3mm full suit with optional boots. Below 55°F: 5/4mm+ with boots, gloves, and hood. Check real-time water temperature on Quiver's beach pages — it varies significantly by region and season across NOAA monitoring stations.
The Short Answer
Check it live
This guide is the why. The live page has today's swell, wind and tide.
Check Water Temperature →The Complete Temperature-to-Thickness Chart
72°F+ (Hawaii, summer Florida, Puerto Rico): Boardshorts and rash guard. A 1mm top if windy.
65-72°F (SoCal summer, warm East Coast): 2mm spring suit (short arms, short legs) or 2mm full suit. You won't overheat or freeze.
60-65°F (SoCal winter, NorCal summer): 3/2mm full suit — 3mm torso, 2mm arms/legs. This is the standard California wetsuit. Most surfers own this as their primary suit.
55-60°F (NorCal winter, Pacific Northwest, winter NJ/NY): 4/3mm full suit with 3mm boots for thermal protection and reef safety. Some surfers add gloves below 58°F.
Below 55°F (Maine, Great Lakes, deep NorCal winter): 5/4mm+ hooded suit with 5mm boots, 4mm gloves, and integrated or separate hood. Ice cream headaches are real at 50°F.
72°F+ = trunks, 65-72°F = 2mm, 60-65°F = 3/2mm, 55-60°F = 4/3mm + boots, below 55°F = 5/4mm + full accessories.
What This Means for Your Session
Check Quiver's water temperature on your beach page before packing — temperatures can swing 5-10°F within a few weeks during spring and fall transitions. San Diego water ranges from 57°F in February to 72°F in August. Santa Cruz ranges from 50°F to 62°F. The wrong suit ruins a session: too thin and you'll be shivering after 20 minutes, too thick and you'll overheat and lose flexibility. If you surf one region year-round, you typically need two suits — a thinner one for summer and a thicker one for winter. Brands like O'Neill, Xcel, Patagonia, and Rip Curl all make quality suits. Budget $200-400 for a good 3/2mm full suit.
