Castlerock 48 hour detailed Surf Forecast

Lat Long: 55.17° N 6.78° W

Issued: 11 am 05 Nov 2026 (local time)

Forecast update in hr min

Today's Castlerock sea temperature is

12.1°C

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

Surf Forecasts:

How big are the waves at Castlerock today (05 Nov):

Morning surf: Morning surf (05 Nov, local time) - 1.5ft (0.5m), 11s period with NW swell.
Afternoon surf: Afternoon surf (05 Nov, local time) - 1.5ft (0.4m), 11s period with WNW swell.
Evening surf: Evening surf (05 Nov, local time) - 1.5ft (0.4m), 10s period with NW swell.

The current surf forecast for Castlerock at 8PM is: 0.4m 10s primary swell from a Northwest direction and 0.1m 13s secondary swell from a Northwest direction, 0.8m 4s secondary swell from a East direction (forecast issued at 11:00am November 05). The wind direction is predicted to be cross-shore.

Time (GMT) & Date	Wave Height	Wave Period
Morning (05 Nov)	1.5ft (0.5m)	11s
Afternoon (05 Nov)	1.5ft (0.4m)	11s
Evening (05 Nov)	1.5ft (0.4m)	10s

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

	Short Range Forecast Mostly dry. Very mild (max 11°C on Fri afternoon, min 8°C on Thu morning). Wind will be generally light.
	Thu 5					Friday 6								Saturday 7								Sun 8
	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 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 Period (s)	NW 11	WNW 11	WNW 11	NW 11	NW 10	NW 10	NW 10	NW 10	NW 13	NW 12	NW 12	NW 11	NW 11	NW 11	NW 10	NW 10	NW 10	NW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 9	WNW 9
Wave Graph
kJ	64	47	46	29	25	26	25	24	26	23	37	33	30	30	28	25	25	25	18	17	8	8	8	8
Wind (km/h)	E	E	E	E	E	E	E	E	ESE	ESE	E	E	E	E	E	ENE	E	E	ENE	ENE	ENE	E	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross	cross	cross-off	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	glassy	cross-on
High Tide				3:32PM1.73m				3:55AM1.43m				4:11PM1.77m				4:31AM1.55m				4:46PM1.77m				5:04AM1.65m
Low Tide		9:11AM0.36m				10:10PM0.27m				9:59AM0.27m				10:43PM0.21m				10:41AM0.21m				11:12PM0.17m


	7:37	—	—	—	—	—	—	7:39	—	—	—	—	—	—	—	7:41	—	—	—	—	—	—	—	7:43
	—	—	4:42	—	—	—	—	—	—	—	4:39	—	—	—	—	—	—	—	4:37	—	—	—	—	4:36
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	8	9	10	9	10	9	9	9	10	10	11	10	10	11	10	9	9	10	10	10	10	10	9	9
Feels °C	2	3	4	3	4	3	4	5	6	6	8	7	7	8	7	6	6	7	7	7	7	8	7	6
Swell 1 Height (m) Direction Period (s)	NW 11	WNW 11	WNW 11	NW 11	NW 10	NW 10	NW 10	NW 10	WNW 9	NW 12	NW 12	NW 11	NW 11	NW 11	NW 10	NW 10	NW 10	NW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 9	WNW 9
kJ	64	47	46	29	25	25	25	24	17	23	37	33	30	30	28	25	25	25	18	17	8	8	8	8
Swell 2 Height (m) Direction Period (s)	—	—	—	NW 13	—	NW 12	NW 13	WNW 13	NW 13	WNW 9	—	—	—	—	—	ENE 3	—	—	—	—	—	—	—	—
kJ	—	—	—	7	—	6	7	17	26	9	—	—	—	—	—	1	—	—	—	—	—	—	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	NW 13	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	7	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	E 4	E 4	E 5	E 4	E 4	E 4	E 4	E 4	E 4	E 4	ENE 4	ENE 3	ENE 3	ENE 3	ENE 3	—	ENE 3	—	—	—	—	—	—	—
kJ	10	22	27	24	24	26	20	18	13	7	4	2	2	1	1	—	1	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Brinlack Point (Bloody Foreland) Donegal	Pollan Bay Donegal	Laggan Bay (Islay) Scot - Inner Hebrides	Pollan Bay Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Portballintrae Antrim	Portballintrae Antrim	Portballintrae Antrim	Portballintrae Antrim	Portballintrae Antrim	Portballintrae Antrim	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal	Five Finger Strand Donegal
Rating (10 max)	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	97	41	66	41	40	40	40	40	40	40	16	16	16	16	16	16	40	40	40	40	40	40	40	40
Best forecast wave conditions in Londonderry
Rating (10 max)
Best forecast wave conditions in Ireland	Brinlack Point (Bloody Foreland) Donegal	Brinlack Point (Bloody Foreland) Donegal	Brinlack Point (Bloody Foreland) Donegal	Doolin Point Clare	Doolin Point Clare	Doolin Point Clare	Doolin Point Clare	Aileen's Clare	Easky Left Sligo	Aileen's Clare	Aileen's Clare	Aileen's Clare	Aileen's Clare	Aileen's Clare	Doolin Point Clare	Doolin Point Clare	Doolin Point Clare	Pollacheeny Harbour Sligo	Pollacheeny Harbour Sligo	Garywilliam Point Kerry	Garywilliam Point Kerry	Garywilliam Point Kerry	Inch Reefs Kerry	Inch Reefs Kerry
Rating (10 max)	2	2	2	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Header Global	Kaiser's (Hachijojima Island) Japan	Kaiser's (Hachijojima Island) Japan	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Ranches United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Haga-Haga South Africa	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Cortez Bank United States	Fish Boma South Africa	Fish Boma South Africa	Achadas Da Cruz Portugal	Barrancon Chile
Rating (10 max)	6	8	5	5	5	5	8	8	7	6	6	7	5	9	9	8	7	6	6	5	5	5	5	4

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

British Norms Batten Down the Hatches, Surfers Wax Up the Guns as Storm Austen Approaches.

storm austen

Ben Mondy

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castlerock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Castlerock 48 hour detailed Surf Forecast

How big are the waves at Castlerock today (05 Nov):

Short Range Forecast

Latest Updates

British Norms Batten Down the Hatches, Surfers Wax Up the Guns as Storm Austen Approaches.

Surf-Forecast Now Has Webcams

Road Testing the new Db Surf Roller Pro

Summer's Short. Life Is Long.

Roadsurfing in the Basque country

FREE! Surf-Forecast.com widget for your website