Las Islitas (Matanchen Bay) Surf Forecast

/ Nayarit (25 surf breaks) /

Mexico (244 surf breaks) / Lat Long: (21.51° N 105.25° W)

Surf Forecasts:

Las Islitas (Matanchen Bay) surfForecast / Nayarit / Mexico

12 Day Weather and Surf, issued 5 pm Saturday 04 Oct 2025 CST

Forecast update in hr min s Forecast update imminent

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

Today's Las Islitas (Matanchen Bay) sea temperature is 30.9° C
(Which is 1.5°C warmer than normal for this time of year)

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

The surf forecast for Las Islitas (Matanchen Bay) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Oct 04) at 10PM. The primary swell is predicted to be 0.5m and 18s period with a secondary swell of 0.6m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Las Islitas (Matanchen Bay) in the next 12 days are 2.5m 13s and forecast to arrive on Tuesday (Oct 07) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 7s period and expected on Monday (Oct 06) at 4PM.

Wave Type	Time (CST) & Date	Wave Height & Period
Next good surf (1 star+)	10PM (Sat 4th Oct)	1.5ft (0.5m) 18s
Best Surf	10PM (Mon 6th Oct)	6ft (1.9m) 13s
Most Powerful	1PM (Tue 7th Oct)	8ft (2.5m) 13s

Table - best surf conditions forecast for Las Islitas (Matanchen Bay) over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Moderate rain (total 19mm), heaviest on Sat night. Warm (max 31°C on Sat afternoon, min 23°C on Mon night). Wind will be generally light.											Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Tue night. Warm (max 31°C on Wed morning, min 24°C on Tue night). Wind will be generally light.
	Sat 04		Sunday 05			Monday 06			Tuesday 07			Wednesday 08			Thursday 09			Friday 10
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	1	2	0	2	3	1	4	4	2	3	4	2	3	3	2	2	2	0	1	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SSW	SSW	SW	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	19	18	18	19	11	13	12	13	12	12	12	12	12	11	11	11	10	10	11	10	16
Wave Graph (?)
kJ (?)	91	207	204	177	263	757	826	1891	1810	1768	1272	1525	1229	947	821	698	468	334	471	309	122
Wind (km/h)	W	SSE	N	WSW	E	SE	SW	NNE	E	WSW	NE	SE	SW	ENE	NNE	NW	ENE	SSE	W	ESE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	glass	cross- on	glass	glass	cross- on	off	glass	cross- on	off	glass	cross- on	cross- off	glass	cross- off	glass	glass	cross- on	cross	glass
High Tide / height (m)		7:55PM 1.60	8:27AM 1.61		8:35PM 1.65	8:48AM 1.70		9:14PM 1.65	9:11AM 1.76		9:55PM 1.57	9:36AM 1.79		10:37PM 1.45	10:01AM 1.77		11:21PM 1.28	10:26AM 1.70		12:16AM 1.09	10:49AM 1.58
Low Tide / height (m)		2:15AM 0.24		2:30PM 0.34	2:42AM 0.29		3:04PM 0.18		3:09AM 0.37	3:39PM 0.08		3:35AM 0.49	4:16PM 0.05		3:59AM 0.62	4:56PM 0.10		4:18AM 0.75	5:39PM 0.22		4:24AM 0.87

	Sat 04		Sunday 05			Monday 06			Tuesday 07			Wednesday 08			Thursday 09			Friday 10
Sunrise	-	-	6:52	-	-	6:52	-	-	6:52	-	-	6:54	-	-	6:54	-	-	6:54	-	-	6:54
Sunset	6:45	-	-	6:45	-	-	6:44	-	-	6:43	-	-	6:42	-	-	6:40	-	-	6:39	-	-

Rain (mm)	-	5	-	1	6	-	3	4	-	-	2	-	-	2	-	-	-	-	-	-	-
Temp. °C	31	27	30	29	27	29	28	26	29	29	26	31	30	26	31	31	26	31	33	27	33
Feels °C (?)	35	32	34	33	32	33	32	30	32	32	30	34	33	30	34	33	31	34	35	31	35

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Nayarit

Wind Update Continuing clean conditions at Las Islitas (Matanchen Bay) (calm at Puerto Vallarta 98 km from Las Islitas (Matanchen Bay)). 0.5m 8s swell from the SW with a 0.3m 13s groundswell, also from the SW and a 0.3m 18s long period groundswell, also from the SW. 3 swells combining to make bigger set waves.
45 minutes ago Las Islitas (Matanchen Bay)

Expand

View all

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Las Islitas (Matanchen Bay) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

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 12 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.