Downhill Surf Forecast

/ Londonderry (4 surf breaks) /

Ireland (149 surf breaks)

Surf Forecasts:

Downhill surfForecast / Londonderry / Ireland

48hr Weather and Surf, issued 11 am Sunday 16 Nov 2025 GMT

Forecast update in hr min s Forecast update imminent

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

Today's Downhill sea temperature is 12.4° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 2PM is: 0.9m 5s primary swell from a North direction and 0.2m 14s secondary swell from a West-northwest direction, 0.1m 9s secondary swell from a Northwest direction (forecast issued at 11:00am November 16). The wind direction is predicted to be cross-onshore.

Time (GMT) & Date	Wave Height	Wave Period
Morning (16 Nov)	0.5ft (0.2m)	14s
Afternoon (16 Nov)	3ft (0.9m)	5s
Evening (16 Nov)	3.5ft (1.0m)	5s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 16					Monday 17								Tuesday 18								Wednesday 19
	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	9 PM	0 AM	3 AM	6 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 (?)	WNW	WNW	N	N	N	N	N	N	N	N	NNW	NNW	NNW	NNW	NNW	NW	NW	NW	NW	NW	NNW	NNW	NNW	N
Period(s) (?)	14	14	5	5	5	6	6	6	6	6	6	7	7	7	7	7	5	7	8	9	10	10	10	9
Wave Graph (?)
kJ (?)	20	19	39	57	55	114	151	139	100	81	55	49	26	26	18	11	65	299	542	727	1440	2340	2367	1372
Wind (km/h)	NNW	N	N	NNE	N	NNE	NNE	NE	NE	N	NW	NW	W	SW	SSW	W	W	NW	NW	N	NNE	NNE	N	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	cross- on	on	on	cross- on	cross	cross- off	cross- on	cross- on	on	on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)				4:00PM 1.92				4:23AM 1.76				4:33PM 1.95				4:53AM 1.87				5:04PM 1.97				5:23AM 1.96
Low Tide / height (m)		9:41AM 0.44				10:19PM 0.35				10:21AM 0.38				10:48PM 0.30				10:57AM 0.33				11:16PM 0.27

	Sunday 16					Monday 17								Tuesday 18								Wednesday 19
Sunrise	8:00	-	-	-	-	-	-	-	8:02	-	-	-	-	-	-	-	8:03	-	-	-	-	-	-	-
Sunset	-	-	4:22	-	-	-	-	-	-	-	4:20	-	-	-	-	-	-	-	4:19	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	4	2	1	1	2	1	-
Temp. °C	8	9	9	9	9	8	7	7	7	7	7	8	7	6	5	7	8	7	8	8	7	5	6	6
Feels °C (?)	3	3	2	3	2	0	0	1	2	4	4	3	3	1	0	1	0	-4	0	0	-3	-7	-6	-5

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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