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

48hr 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)

How big are the waves at Las Islitas (Matanchen Bay) today?

The current surf forecast for Las Islitas (Matanchen Bay) at 11PM is: 0.5m 18s primary swell from a Southwest direction and 0.6m 9s secondary swell from a Southwest direction (forecast issued at 06:00pm October 04). The wind direction is predicted to be cross-onshore.

Time (CST) & Date	Wave Height	Wave Period
Morning (04 Oct)	-	-
Afternoon (04 Oct)	1.5ft (0.4m)	19s
Evening (04 Oct)	1.5ft (0.5m)	18s

Table - waves today at Las Islitas (Matanchen Bay). (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 04			Sunday 05								Monday 06								Tuesday 07
	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM
Rating (10 max)	0	0	1	1	2	2	2	0	0	1	2	2	2	3	3	2	1	2	4	4	4	4	4	3
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SSW	SW	SW	SSW	SSW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW
Period(s) (?)	19	18	18	18	18	18	18	18	19	19	12	11	11	13	13	13	12	12	13	13	13	12	12	13
Wave Graph (?)
kJ (?)	91	82	154	207	249	246	204	207	177	177	237	263	296	534	757	852	826	787	1152	1891	1879	1764	1810	1983
Wind (km/h)	W	WSW	S	SSE	SSE	ESE	N	WSW	WSW	SW	SE	E	E	E	SE	WSW	SW	WSW	NE	NNE	NNE	NE	E	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	glass	cross- on	glass	glass	glass	cross- on	cross- on	on	glass	glass	glass	glass	glass	cross- on	cross- on	cross- on	off	off	off	glass	glass	cross
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
Low Tide / height (m)	1:59PM 0.52				2:15AM 0.24				2:30PM 0.34				2:42AM 0.29					3:04PM 0.18				3:09AM 0.37

	Saturday 04			Sunday 05								Monday 06								Tuesday 07
Sunrise	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:52	-
Sunset	-	6:45	-	-	-	-	-	-	-	6:45	-	-	-	-	-	-	-	6:44	-	-	-	-	-	-

Rain (mm)	-	-	1	2	1	1	-	-	-	1	1	1	2	2	-	-	1	2	-	2	1	1	-	-
Temp. °C	31	29	27	26	26	26	27	30	29	28	27	26	25	25	26	29	28	28	26	25	24	23	25	29
Feels °C (?)	35	34	32	30	31	31	33	34	33	33	32	31	30	30	32	33	32	33	30	28	27	26	30	32

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)). 0.4m 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.
1 hour 54 minutes ago Las Islitas (Matanchen Bay)

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