Harlech Surf Forecast

/ Wales – Mid (13 surf breaks) /

UK (471 surf breaks)

Surf Forecasts:

Harlech surfForecast / Wales – Mid / UK

48hr Weather and Surf, issued 12 pm Tuesday 16 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Harlech sea temperature is 16.6° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Harlech today?

The current surf forecast for Harlech at 1PM is: 1.2m 6s primary swell from a West direction (forecast issued at 12:00pm September 16). The wind direction is predicted to be onshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (16 Sep)	5ft (1.6m)	6s
Afternoon (16 Sep)	3.5ft (1.1m)	5s
Evening (16 Sep)	3.5ft (1.0m)	5s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16					Wednesday 17								Thursday 18								Friday 19
	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	W	WSW	WSW	SW	SSW	SW	SW	WSW	SW	SW	WSW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	6	6	5	5	5	5	5	7	8	8	8	8	9	9	9	6	7	7	8	8	8	8	8	8
Wave Graph (?)
kJ (?)	170	92	55	40	40	51	50	371	557	469	419	330	276	236	211	141	261	327	395	416	355	291	223	182
Wind (km/h)	W	W	WSW	SW	SW	S	SSE	SW	SW	SW	SW	SW	SW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	on	cross- on	cross- on	cross	cross- off	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- on	cross	cross- on	cross
High Tide / height (m)				4:13PM 3.14				5:10AM 3.00				5:42PM 3.34				6:23AM 3.24				6:43PM 3.68
Low Tide / height (m)		11:13AM 1.49				12:05AM 1.17				12:37PM 1.28					1:16AM 0.87				1:37PM 0.97				2:09AM 0.56

	Tuesday 16					Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:54	-	-	-	-	-	-	-	6:56
Sunset	-	-	-	7:30	-	-	-	-	-	-	-	7:28	-	-	-	-	-	-	-	7:25	-	-	-	-

Rain (mm)	-	-	-	1	1	3	7	15	1	-	-	1	-	1	6	2	3	-	-	-	-	-	1	1
Temp. °C	14	14	15	14	14	13	13	16	17	17	17	16	15	15	16	17	17	17	17	17	17	17	17	17
Feels °C (?)	9	9	11	10	10	10	9	11	12	12	14	13	12	13	13	12	13	13	13	13	14	13	14	15

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 Wales - Mid

Wind Update Continuing clean conditions at Harlech (light winds from the W at Caernarfon 26 km from Harlech). A 1.2m windswell from the WSW
1 hour 17 minutes ago Harlech

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26 km away, 1 h 17 min ago

8 km/h

0.0

16.6

Air / Water (°C)

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