Hammerhead
- Shortboard, Longboard
- Best for
- Intermediate
- Skill Level
- Swell, Ocean
- Spot Type
- Empty
- Crowd Level
This spot information is AI-assisted and has not been human verified. It may be incomplete, outdated, or incorrect. Verify safety, access, local rules, and current conditions with official or local sources before riding.
About
Hammerhead is a remote, exposed surf destination in Nayarit associated with the Islas Marías biosphere reserve. The spot is described as having consistently surfable conditions, with surfing that can produce rippable lefts and rights over a rocky reef/reef-like takeoff and also behaves like an exposed beach/shoreline break depending on how the conditions set. Wind is typically most supportive from the northwest, aligning with offshore/gradient flow in the area and improving wave conditions when winds are light offshore or cross-shore. The regional pattern emphasizes strong afternoon sea breezes (roughly 1:00 PM to 6:00 PM), and September is highlighted as a best month at the spot-level. Safety is a major consideration. The spot is exposed and hazard-prone, with rocks and sharks called out explicitly, plus strong tidal currents and ocean drift typical of island chains. Providers also note that rescue is limited or not available for wind-sports-style incidents, and that island medical support is basic—major emergencies require transport to the mainland. Access and operations are constrained by the protected reserve rules. Independent camping is restricted, and visitors generally need authorized tour/ferry logistics and should be prepared to bring everything needed because equipment rentals and surf services are not available on the island. Crowd levels are described as rarely crowded due to the remote access, making it attractive for surfers seeking solitude and a wilderness-focused experience.
- Consistent surf in an open-ocean, exposed setting
- Best month: September
- NW/offshore-leaning winds improve conditions
- Rarely crowded due to restricted access
- Consistent surf due to open-ocean exposure.
- Rarely crowded because access is restricted and the location is remote.
- Clear Pacific waters and a protected biosphere reserve setting.
- Exposed, remote setting with limited on-site emergency capacity.
- Hazardous environment: rocks and sharks; access is restricted and self-sufficiency is expected.
- Conditions can be challenging (heavy/disorganized on large long-period swells).
Wind, water and seasons
Wind
- Direction
- NW
- Offshore directions
- NW
- Wind Range
- 10–20 kts
- Wind Type
- Gradient — NW-driven winds are described as offshore/gradient in the area context; spot-level guide also lists best wind direction as northwest.
- Reliability
- fair
- Gust Factor
- Light gusts — Described as light gusts by one provider; spot guide provides consistency metrics rather than gust scale.
- Best Months
- September
- Shadow Zones
- Significant wind shadows on leeward sides of the island's central peaks
Water & beach
- Water Type
- Swell, Ocean
- Beach
- Rocks — Rocky/reef character is described; one provider also notes sand/shoreline composition that varies.
- Beach Size
- Medium
- Waves
- Medium — Surf is described as consistent and often medium; one source provides an optimal working swell range of 1.0–2.5 meters.
- Launch
- Medium — Beach/shoreline access via the northern shoreline route is described; a specific launch area is indicated as accessible via the northern shoreline of the island.
- Launch Difficulty
- Moderate — Launch is described as moderate difficulty; remote access and shoreline conditions affect approach.
Through the year
Rarely crowded due to the remote location and restricted access.
June to October (hurricane and rainy season for the region)
By sport
What to expect for each.
Exposed surfing with consistent swell exposure. Reef conditions can produce rippable lefts and rights, while the spot’s beach/shoreline character can vary with sandbank shifts. Waves can become heavy and disorganized during large long-period swells.
- Wave Direction
- Both
- Optimal Swell
- S, SSW, SW, W, WSW
- Swell Height
- 1–2.5 m
- Optimal Tide
- Mid — One provider indicates mid tide as optimal.
- Shelter
- Exposed — Open-ocean exposure; one provider specifically describes the break as exposed.
- Wind Effect
- Works best with light offshore or cross-shore winds from the northwest; winds are described as offshore/gradient NW-driven.
- Bigger Swell
- Can become heavy and disorganized during large long-period swells.
- Wave Quality
- Average — Wave quality is described as average by one provider.
- Wave Power
- Moderate — Guides characterize the wave as consistent/exposed; one provider rates power as moderate and another describes challenging reef conditions.
- Wave Shape
- Mixed — Ranging from rippable lefts/rights over reef to mixed beach-break behavior.
- Peel Speed
- Medium — Providers describe medium peel/response across conditions.
- Ride Length
- Medium — Rides vary with conditions; one source also notes the break can run up to 100 meters.
- Ride Length Details
- Standard rides that can vary significantly based on sandbank shifting and swell angle; reef description also notes breaks up to 100 meters.
Check the forecast before you go
See wind, waves, weather and session windows for Hammerhead in the full forecast view.
Hammerhead wind and wave forecast summary
- Wind
- 4–16 ktsGusts 17 kts
- Direction
- NNW333°
- Strongest day
- Wed, Oct 2816 kts
- Windy days
- 2/712 kts or more
- Waves
- 1.2–2.1 m11s period
- Temperature
- 28–30 °C
Over the next 7 days, Hammerhead is forecast for daytime winds of 4–16 kts, peaking around 16 kts on Wednesday, October 28 with gusts to 17 kts. The prevailing direction is NNW. Waves run 1.2–2.1 m with a period of about 11s. Based on the Wavind model, in the spot’s local time.
What to know before you launch
Safety, access, restrictions, rescue, and local rules can change. Treat these details as informational and confirm them locally before launching.
Hazards
- rocks
- Sharks
- Remote location
- Strong currents
Rescue & support
- Lifeguard
- None — No lifeguards indicated at this remote location.
- Rescue & Self-Rescue
- Limited — Regional context says naval presence may provide some emergency support, but dedicated wind-sports rescue is unavailable. Spot-level providers also indicate no rescue availability at the island.
- Emergency Info
- Medical facilities on the island are limited to basic care; major emergencies require transport to the mainland. In Mexico, dial 911 for emergencies.
Rules of the spot
Protected biosphere reserve with environmental regulations; access and on-site behavior are subject to restrictions (e.g., no independent camping). Visitors should follow reserve rules and be self-sufficient in a remote setting.
- Access limited to authorized boat tours
- Environmental protection rules apply
- No independent camping
- Bring all necessary gear since there are no surf shops on the island.
- Be highly aware of marine life given the spot’s name and the remote setting.
- Access is restricted to ferry or authorized tour boats; plan logistics and rescue expectations before you go.
Getting there & access
- Nearest City
- Tepic
- Nearest Town
- Puerto Balleto
- Nearest Airport
- Tepic Airport (TPQ) ~70 km away; Puerto Vallarta International (PVR) ~160 km away.
- Parking
- No public vehicle parking; access is pedestrian once on the island.
- Public Transport
- Regional buses connect San Blas to Tepic and Puerto Vallarta; government ferries serve the Islas Marias.
- Access
- Access is only possible by ferry or authorized tour boat from Mazatlán or San Blas.
- Cost Level
- Expensive
- Local Language
- Spanish
What's on the beach
- Accommodation
- Nearby town — Hostels and villas are available in Puerto Balleto for organized tour groups.
- Food & Drink
- Limited options in the main settlement of Puerto Balleto; food options otherwise limited due to remote access.
- Equipment Rental:
- No equipment rental available; surfers must bring their own boards.
- Gear Storage
- Not indicated for the island; regional notes suggest gear storage may be offered by surf camps/operators in the access area.
- Gear Repair
- Not indicated for the island; regional notes suggest only basic board ding repair in the wider access area.
No schools or services are listed for this spot yet.
Off the water
A protected biosphere reserve setting centered on the Islas Marías archipelago, paired with nearby historic coastal towns and wildlife-oriented tours.
A former penal colony turned eco-tourism destination with pristine nature and hiking trails.
An 18th-century Spanish colonial fort and counting house overlooking San Blas.
Boat tours through mangrove forests and freshwater springs teeming with wildlife.
Renowned local restaurant in San Blas serving traditional Nayarit seafood.
Seasonal whale watching tours departing from the San Blas harbor.
From riders who've been here
Latest reported conditions
Spot questions
Frequently asked questions
When is the best season at Hammerhead?
The best overall months at Hammerhead are July, August, September. The best wind months are September.
Which wind directions work at Hammerhead?
Hammerhead works with NW winds. Offshore directions are NW.
What skill level is Hammerhead suitable for?
Hammerhead suits these riding levels: Surfing: Intermediate.