Thor's Hammer is a heavy slab on Isla Todos Santos that breaks with extreme power over shallow reef. The wave is aptly named—wipeouts here feel like being hit by a mythical weapon. Only the most committed big wave slabbers attempt Thor's Hammer, knowing the consequences of failure are severe.
Model forecast for swell, wind and tide.
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Water temp
16°C
Wetsuit
4/3mm fullsuit
Difficulty
10/10
Crowd level
1/10
Access: Boat from Ensenada. On Todos Santos Island.
Thor's Hammer is a big-wave spot in Isla Todos Santos, Mexico, that mostly breaks right.
Thor's Hammer picks up swell from the W round to the NW, and it's best when it's coming straight out of the WNW. That's a tight window, so it needs the swell direction to line up. It starts working at around 3m and keeps going up to about 9m, with the sweet spot around 4.7 to 6.5m. Period matters too: aim for 17s or longer, as anything under 14s tends to be weak. These are the numbers our scoring uses, so treat them as a guide rather than a promise.
An E wind is dead offshore at Thor's Hammer, and anything from the ENE round to the ESE keeps it clean. The morning is typically the best window, roughly 6am to 11am. Light winds from other directions can still be fine; strong offshores can make it hard to get into waves.
Thor's Hammer is at its best around the low to mid tide.
The most reliable run of swell at Thor's Hammer comes Nov to Mar. There's a second window in Apr and Oct too. Winter NW swells. Heavy slab.
The water at Thor's Hammer averages around 16°C, so you'll want a 4/3mm fullsuit. It shifts a few degrees through the year, so check the season before you pack.
No. As a big-wave spot, it's strictly for experienced surfers. The lineup is usually quiet (crowd 1/10). Extremely heavy slab. Life-threatening consequences.
The nearest airport on our list is TIJ, then it's roughly a one-hour drive. From there you need a boat to reach the break (we estimate around $200 USD, but confirm with an operator). Boat from Ensenada. On Todos Santos Island.
The closest breaks we track are Urchins (Todos Santos Island) (0.8 km), Killers (Isla Todos Santos) (0.9 km) and Chickens (Todos Santos Island) (1.8 km), handy when Thor's Hammer isn't working. We track 5 spots around Isla Todos Santos in total.
Peak: Nov, Dec, Jan, Feb, Mar
Secondary: Oct, Apr
Winter NW swells. Heavy slab.
🦔 Todos Santos step-up • Killers apprenticeship • Named for the urchins
⚡ West Coast big wave mecca • Giant winter waves • Boat access only
🐔 Todos Santos step-up • More forgiving big wave • Killers warm-up spot
🌊 Todos Santos tier 2 • Named for its rarity • 40-foot alternative
🇲🇽 Birthplace of Mexican surf • Trestles-like rights • Winter NW swells
🌊 Baja reef break • Multiple quality peaks • K-58 winter waves
Compare this break with other destinations in these surf guides.