San Blas Surf Forecast

/ Nayarit (25 surf breaks) /

Mexico (244 surf breaks) / Lat Long: (21.53° N 105.28° W)

Surf Forecasts:

San Blas surfForecast / Nayarit / Mexico

48hr Weather and Surf, issued 11 pm Wednesday 17 Sep 2025 CST

Forecast update in hr min s Forecast update imminent

San Blas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's San Blas sea temperature is 31.0° C
(Which is 1.7°C warmer than normal for this time of year)

How big are the waves at San Blas today?

The current surf forecast for San Blas at 1AM is: 0.9m 14s primary swell from a South-southwest direction and 0.6m 8s secondary swell from a Southwest direction (forecast issued at 12:00am September 18). The wind direction is predicted to be cross-onshore.

Time (CST) & Date	Wave Height	Wave Period
Morning (18 Sep)	2.5ft (0.8m)	14s
Afternoon (18 Sep)	2.5ft (0.8m)	14s
Evening (18 Sep)	2.5ft (0.8m)	13s

Table - waves today at San Blas. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Thursday 18								Friday 19								Saturday 20
	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	3 PM	6 PM
Rating (10 max)	2	1	2	2	2	1	1	2	2	2	2	2	2	1	0	1	2	2	1	2	1	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SSW	SW	SW	SSW	SW
Period(s) (?)	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	12	12	14	15
Wave Graph (?)
kJ (?)	352	347	293	257	257	307	236	232	229	225	225	222	222	151	114	114	113	111	80	108	77	75	140	75
Wind (km/h)	SE	SSE	ESE	ENE	ESE	WSW	WSW	W	NE	E	ENE	NE	ENE	SW	WSW	SSW	S	ENE	SE	ESE	ENE	WSW	W	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- on	cross- off	off	glass	on	cross- on	glass	glass	glass	off	off	glass	glass	cross- on	on	glass	glass	glass	glass	glass	cross- on	cross- on	cross- on
High Tide / height (m)	7:07PM 1.43				8:41AM 1.39				7:47PM 1.52				8:51AM 1.45				8:21PM 1.58					9:04AM 1.50
Low Tide / height (m)			2:03AM 0.21				2:09PM 0.73				2:29AM 0.21				2:33PM 0.60				2:51AM 0.24				2:56PM 0.49

		Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	-	6:48	-	-	-	-	-	-	-	6:48	-	-	-	-	-	-	-	6:48	-	-	-
Sunset	-	-	-	-	-	-	-	7:00	-	-	-	-	-	-	-	7:00	-	-	-	-	-	-	-	6:59

Rain (mm)	-	2	4	2	-	-	-	-	-	-	-	2	-	-	-	-	-	2	1	-	-	-	-	-
Temp. °C	27	27	26	25	27	30	30	29	27	26	26	26	27	31	30	29	28	27	27	26	28	30	30	29
Feels °C (?)	33	32	31	29	33	34	34	34	32	30	30	30	31	34	33	33	34	32	32	30	33	33	33	34

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 San Blas (calm at Tepic-Nay. 41 km from San Blas). 0.8m 14s groundswell from the SW with a 0.5m 8s swell, also from the SW. 2 swells combining to make bigger set waves.
1 hour 15 minutes ago San Blas

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41 km away, 1 h 15 min ago

0 km/h

0.0

31.0

Air / Water (°C)

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