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Las Islitas (Matanchen Bay)

San Blas, Mexico
🌀Strong rips🚶Difficult access

Las Islitas in Matanchen Bay holds the Guinness World Record for the world's longest rideable wave at 5,700 feet. When conditions align—typically needing a large, long-period south swell—the wave can connect through multiple points for rides lasting several minutes. While jetty construction has altered the wave somewhat, it still offers the potential for extraordinarily long rides on the right day. The wave is mellow and forgiving, making those marathon rides accessible to surfers of various skill levels.

3-Day Forecast
Today
16
44
Poor
0.9m
@17s
8km/h
Tue
17
30
Poor
0.8m
@17s
8km/h
Wed
18
30
Poor
0.7m
@16s
11km/h
+7
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Today's Conditions

Swell
0.9m
SSW(213°)
Score: 3/25
Period
17s
Long period groundswell
Score: 25/25
Wind
8km/h
WNW(290°)
Score: 14/25
Weather
25°C
0.0mm0%
Secondary Swell
0.1mW
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning

Location & Conditions

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0°45°90°135°180°225°270°315°NESW
Swell
Wind
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Showing forecast for today

Tide Times

12:40 am
Low tide - -0.16m
6:30 am
High tide - 0.74m
1:02 pm
Low tide - -0.58m
7:18 pm
High tide - 0.67m
Times shown in spot-local time.

Strike Score Breakdown

44
Poor
Components
Swell Direction8/25
Swell Size3/25
Swell Period25/25
Wind14/25
Raw Score50/100
Adjustments
⚠️ Weak Component-5
🚫 Undersized Capmax 44
Adjusted Score45/100
Confidence
Multiplier×1.00
Final Score44
👥 Benito Juárez's Birthday

Spot Details

Swell Requirements

Optimal direction
S (180°)
Direction range
170° - 190°
Size range
1.2m - 2.4m
Ideal size
2.0m
Height multiplier
0.97×
Ideal period
17s+

Wind Requirements

Optimal direction
NE (45°)
Offshore range
30° - 60°
Best window
morning

Tide Requirements

Optimal tide
mid to high

Water temp

28°C

Wetsuit

Boardshorts / Rashguard

Difficulty

4/10

Crowd level

3/10

Access: Drive to San Blas, then to bay. Basic town accommodations.

Best Season

Peak: Jun-Sep

Secondary: May, Oct

Needs specific long-period south swell. Rare but epic.

Getting There

Airport
PVR
Drive time
180 min
Data quality
verified

Strike Log

Community Discussion