Las Islitas (Matanchen Bay) Surf Break

Lat Long: 21.51° N 105.25° W

Las Islitas (Matanchen Bay) Surf Forecast and Surf Report

Issued: 5 pm 08 Oct 2026 (local time)

Forecast update in  hr  min

Today's Las Islitas (Matanchen Bay) sea temperature is
31.7°C
2.3° 

Las Islitas (Matanchen Bay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Las Islitas (Matanchen Bay) surf forecast from 9 Oct 2026:

  • Best quality surf: Thursday 8 Oct, 9PM (local time) - 3.5ft (1.1m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Monday 12 Oct, 6PM (local time) - 4.5ft (1.4m), 17s period, SW swell with 1,098 kJ wave energy.
  • Next surfable swell (1★+): Thursday 8 Oct, 9PM (local time) - 3.5ft (1.1m), 16s period with SW swell.

Best Forecast Surf Conditions for Las Islitas (Matanchen Bay) this week:

The surf forecast for Las Islitas (Matanchen Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 08) at 9PM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 0.7m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Las Islitas (Matanchen Bay) in the next 16 days are 1.4m 17s and forecast to arrive on Monday (Oct 12) at 6PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Wednesday (Oct 14) at 6AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 8th Oct)3.5ft (1.1m) 16s
Best Surf 9PM (Thu 8th Oct)3.5ft (1.1m) 16s
Most Powerful 6PM (Mon 12th Oct)4.5ft (1.4m) 17s

Table - best surf conditions forecast for Las Islitas (Matanchen Bay) over the next 16 days.


Short Range Forecast

Heavy rain (total 24mm), heaviest during Thu night. Warm (max 30°C on Thu afternoon, min 23°C on Sun morning). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 28mm), heaviest during Sun afternoon. Warm (max 30°C on Tue morning, min 23°C on Sun afternoon). Wind will be generally light.

Thu
8
Friday
9
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
3
1
2
3
1
3
3
3
3
3
1
3
3
2
2
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
16
1.1
SW
16
0.9
SW
19
0.9
SW
14
0.8
SW
18
0.9
SW
18
0.8
SW
16
1.1
SW
16
1.1
SW
16
1
SW
16
0.8
SW
19
0.9
SW
18
0.9
SW
18
1.4
SW
17
1.2
SW
16
1.2
SW
16
1.1
SW
16
1.1
SW
15
1
SW
15
0.9
SSW
15
Wave Graph
Metric surfscale
Energy kJ
489
620
546
350
370
449
326
587
580
483
441
455
455
1000
739
729
628
523
429
372
Wind (km/h)
10
WSW
10
SSE
5
S
15
W
5
SSE
0
E
5
WSW
10
NE
15
NNE
10
ENE
0
E
0
E
10
W
5
ENE
0
NNE
10
WNW
5
E
5
ENE
10
W
5
E
Wind State
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-off
off
cross-off
glassy
glassy
cross-on
glassy
glassy
cross
cross-off
glassy
cross
glassy
High Tide
8:28PM1.56m
8:38AM1.63m
9:02PM1.56m
8:55AM1.67m
9:34PM1.51m
9:13AM1.68m
10:04PM1.44m
9:31AM1.67m
10:33PM1.33m
9:47AM1.63m
11:01PM1.21m
10:02AM1.58m
11:30PM1.08m
Low Tide
2:35AM0.37m
2:55PM0.27m
2:56AM0.45m
3:21PM0.20m
3:15AM0.53m
3:47PM0.17m
3:31AM0.62m
4:12PM0.19m
3:45AM0.69m
4:38PM0.24m
3:54AM0.76m
5:05PM0.33m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
light rain
light rain
heavy rain
light rain
part cloud
part cloud
cloud
clear
thunderstorm
thunderstorm
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
6:54
—
—
6:54
—
—
6:54
—
—
6:54
—
—
6:54
—
—
6:56
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:42
—
—
6:40
—
—
6:39
—
—
6:39
—
—
6:38
—
—
6:37
—
—
6:37
—
 mm
1
10
1
2
3
2
—
1
4
19
3
—
—
—
—
4
2
—
—
—
Temp °C
30
28
30
30
27
28
29
26
24
23
25
29
29
27
30
30
26
29
29
26
Feels °C
35
34
35
33
32
34
34
29
26
26
29
32
32
32
33
33
31
34
33
30
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Las Islitas (Matanchen Bay) Surf forecast

The above surf forecast table for Las Islitas (Matanchen Bay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Las Islitas (Matanchen Bay) can be found by selecting the local surf guide option on the grey menu. Our Las Islitas (Matanchen Bay) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Las Islitas (Matanchen Bay)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Las Islitas (Matanchen Bay) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Las Islitas (Matanchen Bay) is 34 km (21 miles) from the city of Santiago Ixcuintla. If you plan a holiday in Nayarit, look for hotels and other accommodation in Santiago Ixcuintla. Santiago Ixcuintla has rooms for a wide range of budgets as well as car hire and transport links.

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