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Level 4/10

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.

10-Day Forecast
Today5
11
Poor
0.5m@13s
8km/h
Thu6
24
Poor
0.6m@15s
6km/h
Fri7
18
Poor
0.8m@14s
8km/h
Sat8
44
Poor
0.9m@16s
5km/h
Sun9
30
Poor
0.8m@15s
3km/h
Mon10
21
Poor
0.7m@14s
6km/h
Tue11
26
Poor
0.6m@15s
6km/h
Wed12
30
Poor
0.7m@15s
6km/h
Thu13
30
Poor
0.6m@16s
7km/h
Fri14
49
Fair
1.1m@17s
6km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 7 km/h · PM 6 km/h · High tide at 11am (1.4m)
Swell
0.5m
SW(226°)
Score: 1/25
Period
13s
Medium period swell
Score: 4/25
Wind
8km/h
WNW(298°)
Score: 14/25
Weather
32°C
0.0mm48%
First light 5:05amSunrise 5:35amSunset 6:38pmLast light 7:08pm
Secondary0.3mConfidence
100%

Location & Conditions

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

Hourly Forecast, Tide & Strike Windows

Strike window: 5:05am–7:08pm · through highIdeal tide: mid to high
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
26°
32°
34°
33°
31°
27°
32°
32°
29°
26°
25°
31°
34°
27°
27°
27°
30°
32°
29°
26°
26°
28°
33°
31°
26°
25°
30°
33°
32°
29°
26°
31°
34°
33°
31°
27°
32°
34°
33°
31°
27°
31°
34°
33°
31°
27°
31°
33°
31°
29°
2m1.0
sec
13s
13s
13s
13s
13s
15s
15s
15s
15s
15s
14s
14s
14s
14s
14s
16s
16s
16s
16s
16s
15s
15s
15s
15s
15s
14s
14s
14s
14s
14s
15s
15s
15s
15s
15s
15s
15s
15s
15s
15s
16s
16s
16s
16s
16s
17s
17s
17s
17s
17s
swell
windkm/h
7g10
7g21
8g22
9g26
3g17
1g3
2g10
11g27
11g24
6g21
9g18
5g18
8g23
11g41
8g15
3g9
2g11
7g21
7g26
2g20
0g11
2g11
3g18
2g26
6g22
6g13
2g16
8g27
5g33
8g26
5g14
3g16
5g20
8g29
8g31
3g13
4g17
8g22
9g31
7g33
6g16
4g19
9g25
9g32
6g32
4g12
5g18
8g25
7g31
8g31
tidem
4:30am0.7m
11:38am1.4m
7:30pm0.7m
1:30am0.9m
12:45pm1.4m
10:10pm0.7m
2:45pm1.4m
7:00am1.2m
10:30am1.1m
4:30pm1.5m
7:15am1.3m
11:38am1.0m
5:34pm1.6m
12:51am0.1m
7:30am1.4m
12:30pm0.8m
6:20pm1.7m
1:26am0.0m
7:57am1.4m
1:05pm0.7m
7:01pm1.8m
1:56am0.0m
8:22am1.5m
1:42pm0.6m
7:41pm1.8m
2:26am0.1m
8:46am1.5m
2:18pm0.5m
8:18pm1.7m
2:54am0.2m
9:10am1.5m
2:54pm0.5m
Ideal tide (from tide preference)Strike windowNight

Tide times today

4:30 am
Low tide - 0.72m
11:38 am
High tide - 1.39m
7:30 pm
Low tide - 0.71m
Times shown in spot-local time.

Strike Score Breakdown

11
Poor
Components
Swell Direction6/25
Swell Size1/25
Swell Period4/25
Wind14/25
Raw Score25/100
Adjustments
💨 Gusty Wind-4
📉 Undersized Swell-10
🚫 Undersized Capmax 15
Adjusted Score11/100
Confidence
Multiplier×1.00
Final Score11
👥 Summer Break

Plan Your Strike

Return flights to PVR, departing today with a 5-day trip window.

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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°

Tide Requirements

Optimal tide
mid to high

Water temp

28°C

Wetsuit

Boardshorts / Rashguard

Difficulty

4/10

Crowd level

3/10

👥 Summer Break (Jul 15Aug 31) — expect extra crowds

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

Frequently Asked Questions

What tide is best at Las Islitas (Matanchen Bay)?

Las Islitas (Matanchen Bay) works best on a mid to high tide. The tide chart above shows today’s strike window.

What wind direction is offshore at Las Islitas (Matanchen Bay)?

Offshore wind at Las Islitas (Matanchen Bay) blows from the NE (45°). Anything in the 30° to 60° range grooms the faces; outside it, expect chop or bumpy conditions.

What swell size and direction work best at Las Islitas (Matanchen Bay)?

Las Islitas (Matanchen Bay) wants S swell (170° to 190°) between 1.2m and 2.4m, with a period of 17s or more for quality waves.

When is the best time of year to surf Las Islitas (Matanchen Bay)?

The main season at Las Islitas (Matanchen Bay) is Jun-Sep. A secondary window runs May, Oct. Needs specific long-period south swell. Rare but epic.

How do I get to Las Islitas (Matanchen Bay)?

Fly into PVR, then allow about 180 minutes by road. Drive to San Blas, then to bay. Basic town accommodations.

What kind of wave is Las Islitas (Matanchen Bay)?

Las Islitas (Matanchen Bay) is a point break, a right-hander. Difficulty is rated 4/10.

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