Trá Na Rosan Surf Forecast

/ Donegal (44 surf breaks) /

Ireland (149 surf breaks)

Surf Forecasts:

Trá Na Rosan surfForecast / Donegal / Ireland

48hr Weather and Surf, issued 6 am Thursday 18 Sep 2025 IST

Forecast update in hr min s Forecast update imminent

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

Today's Trá Na Rosan sea temperature is 15.5° C
(Which is 2.0°C warmer than normal for this time of year)

How big are the waves at Trá Na Rosan today?

The current surf forecast for Trá Na Rosan at 8AM is: 3.5m 12s primary swell from a West-northwest direction (forecast issued at 06:00am September 18). The wind direction is predicted to be cross-offshore.

Time (IST) & Date	Wave Height	Wave Period
Morning (18 Sep)	11ft (3.5m)	12s
Afternoon (18 Sep)	6.5ft (2.0m)	10s
Evening (18 Sep)	5ft (1.5m)	12s

Table - waves today at Trá Na Rosan. (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								Sun 21
	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	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM
Rating (10 max)	0	1	2	3	3	2	3	1	1	0	0	0	0	3	2	3	3	2	3	2	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	WNW	WNW	WNW	WNW	WNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	W	WNW	WNW	NNW	NNW	NNW	N	N	N	N	N
Period(s) (?)	13	12	11	11	10	10	12	12	12	11	11	11	10	10	10	10	11	11	10	7	8	8	8	8
Wave Graph (?)
kJ (?)	4346	3030	1948	1100	650	411	688	811	671	455	308	194	141	1360	681	600	773	936	884	688	943	871	742	655
Wind (km/h)	SW	SW	SW	SW	ESE	SE	S	SSW	SW	SW	SW	SW	SW	SSW	S	S	S	S	SE	NE	NNE	NNE	NE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	cross- off	off	cross	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)		4:43AM 2.64				5:02PM 3.09				5:28AM 2.85				5:44PM 3.31				6:05AM 3.02				6:19PM 3.46
Low Tide / height (m)				10:38AM 0.74				11:19PM 0.51				11:22AM 0.49				11:57PM 0.31				11:58AM 0.29				12:29AM 0.17

	Thursday 18							Friday 19								Saturday 20								Sun 21
Sunrise	-	-	7:07	-	-	-	-	-	-	-	7:09	-	-	-	-	-	-	-	7:11	-	-	-	-	-
Sunset	-	-	-	-	-	7:42	-	-	-	-	-	-	-	7:38	-	-	-	-	-	-	-	7:36	-	-

Rain (mm)	-	-	-	-	3	3	-	1	-	-	-	-	-	-	-	-	-	-	-	-	1	2	3	5
Temp. °C	14	13	14	15	12	13	16	16	14	13	13	14	15	14	13	11	11	11	12	13	13	12	11	9
Feels °C (?)	5	5	8	12	9	10	14	12	9	8	8	9	10	10	9	7	7	7	9	10	7	1	-1	-4

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 Previously calm conditions have become cross-shore at Gweebarra (Dooey beach) (fresh winds from the WSW at Donegal Airport 21 km from Gweebarra (Dooey beach)). 4.1m 12s groundswell from the W which is too big for here.
41 minutes ago Gweebarra (Dooey beach)

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35 km away, 1 h 11 min ago

43 km/h

0.0

15.5

Air / Water (°C)

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