Harbour Surf Forecast

/ Donegal (44 surf breaks) /

Ireland (149 surf breaks) / Lat Long: (54.48° N 8.31° W)

Surf Forecasts:

Harbour surfForecast / Donegal / Ireland

48hr Weather and Surf, issued 12 pm Wednesday 17 Sep 2025 IST

Forecast update in hr min s Forecast update imminent

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

Today's Harbour sea temperature is 15.8° C
(Which is 1.9°C warmer than normal for this time of year)

How big are the waves at Harbour today?

The current surf forecast for Harbour at 2PM is: 1.8m 10s primary swell from a West-southwest direction and 0.1m 9s secondary swell from a North direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be cross-shore.

Time (IST) & Date	Wave Height	Wave Period
Morning (17 Sep)	4.5ft (1.3m)	9s
Afternoon (17 Sep)	8ft (2.5m)	14s
Evening (17 Sep)	10ft (3.0m)	14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 17					Thursday 18								Friday 19								Saturday 20
	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	!	1	3	3	3	2	2	2	0	0	0	0	0	1	2	2	2	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	NW	W	NW	W	W	W	W	W	W	W	W
Period(s) (?)	9	10	14	14	13	13	12	12	11	10	10	9	9	13	8	12	7	7	11	11	10	10	10	10
Wave Graph (?)
kJ (?)	255	612	2650	3281	3177	2548	1944	1302	850	520	377	235	162	106	131	69	92	112	389	440	367	244	194	120
Wind (km/h)	SW	SW	SW	SW	SW	SW	SW	SSW	S	SSE	SE	SSW	SSW	SW	SW	SW	SSW	SSW	SSW	S	SSE	SSE	SE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross	cross	cross	cross	cross- off	cross- off	off	off	cross- off	cross- off	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	cross- off
High Tide / height (m)			3:36PM 2.91					4:20AM 2.62				4:35PM 3.16				5:08AM 2.82				5:19PM 3.38				5:46AM 3.00
Low Tide / height (m)	9:11AM 1.08					10:12PM 0.74				10:13AM 0.84				11:01PM 0.50				10:59AM 0.60				11:38PM 0.30

	Wednesday 17					Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	-	-	-	-	-	7:09	-	-	-	-	-	-	-	7:11	-	-	-	-	-	-	-
Sunset	-	-	-	7:45	-	-	-	-	-	-	-	7:43	-	-	-	-	-	-	-	7:40	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	1	1	1	-	1	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	16	15	14	13	13	13	11	12	12	13	17	16	16	13	12	13	14	15	14	12	11	10	10
Feels °C (?)	10	10	7	6	6	7	8	8	10	11	12	16	15	12	8	7	9	10	12	11	10	9	8	8

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 Donegal

Wind Update The wind is still cross-off at Harbour (light winds from the SSW at Finner 6 km from Harbour). 1.5m 7s swell from the WSW with a 0.4m 13s groundswell from the WNW. 2 swells combining to make bigger set waves.
1 hour 24 minutes ago Harbour

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1 h 24 min ago

11 km/h

SSW

Cross-Off

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