Crab Island 48 hour detailed Surf Forecast

Lat Long: 53.04° N 9.39° W

Issued: 12 am 12 Jul 2026 (local time)

Forecast update in hr min

Today's Crab Island sea temperature is

15.5° C

Crab Island 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 Crab Island today (12 Jul):

Morning surf: Morning surf (12 Jul, local time) - 1.5ft (0.4m), 8s period with WNW swell.
Afternoon surf: Afternoon surf (12 Jul, local time) - 1ft (0.3m), 8s period with WNW swell.
Evening surf: Evening surf (12 Jul, local time) - 0.5ft (0.1m), 21s period with W swell.

The current surf forecast for Crab Island at 4AM is: 0.5m 8s primary swell from a West direction (forecast issued at 12:00am July 12). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (IST) & Date	Wave Height	Wave Period
Morning (12 Jul)	1.5ft (0.4m)	8s
Afternoon (12 Jul)	1ft (0.3m)	8s
Evening (12 Jul)	0.5ft (0.1m)	21s

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

	Short Range Forecast Mostly dry. Warm (max 26°C on Sun afternoon, min 15°C on Sat night). Wind will be generally light.
	Sunday 12								Monday 13								Tuesday 14
	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	10 AM	1 PM	4 PM	7 PM	10 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WNW 8	W 8	WNW 8	WNW 8	WNW 8	W 21	W 21	W 21	W 21	W 15	W 15	W 14	W 13	W 12	W 12	W 12	W 11	WSW 11	WSW 11	W 10	W 10	W 10	W 10	WSW 10
Wave Graph
kJ	38	33	20	19	19	11	10	10	9	5	5	15	14	26	26	42	39	40	39	51	49	50	49	31
Wind (km/h)	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-off	cross-off
High Tide		3:44AM3.78m					4:13PM4.08m				4:48AM4.01m				5:10PM4.34m				5:45AM4.22m				6:02PM4.56m
Low Tide				9:59AM0.77m					10:34PM0.51m				10:54AM0.57m				11:27PM0.21m				11:45AM0.39m


	—	5:24	—	—	—	—	—	—	—	5:26	—	—	—	—	—	—	—	5:28	—	—	—	—	—	—
	—	—	—	—	—	—	9:59	—	—	—	—	—	—	—	9:58	—	—	—	—	—	—	—	9:57	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	17	16	15	17	23	26	25	20	19	18	17	18	22	23	21	17	16	15	15	17	22	25	24	20
Feels °C	15	14	12	15	21	24	23	16	16	15	14	14	17	18	16	13	12	10	11	13	19	21	21	17
Swell 1 Height (m) Direction Period (s)	WNW 8	W 8	WNW 8	WNW 8	WNW 8	WNW 7	WNW 7	WNW 7	WNW 7	WNW 7	WNW 7	WNW 7	W 13	W 12	W 12	W 12	W 11	WSW 11	WSW 11	W 10	W 10	W 10	W 10	WSW 10
kJ	38	33	20	19	19	11	10	10	9	5	5	5	14	26	26	42	39	40	39	51	49	50	49	31
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	W 21	W 21	W 21	W 21	W 8	W 8	W 8	W 8	W 8	W 8	W 7	W 7	W 7	WNW 9	W 7	SW 18	SW 18	SW 18	W 18
kJ	—	—	—	—	—	9	9	9	9	1	1	5	5	5	5	4	4	4	8	4	12	12	12	6
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	W 15	W 15	W 14	WNW 7	NW 7	NW 7	W 19	WNW 9	WNW 9	W 8	SW 18	—	—	—	W 14
kJ	—	—	—	—	—	—	—	—	—	4	4	15	5	2	2	7	8	8	4	12	—	—	—	4
Wind waves Height (m) Direction Period (s)	NNE 3	NE 3	NE 3	NE 3	NE 3	NE 3	ENE 3	ENE 3	NE 3	NE 3	NE 3	NE 3	NE 3	NE 3	ENE 3	ENE 3	ENE 3	ENE 3	ENE 3	ENE 3	NE 3	ENE 3	ENE 3	NE 3
kJ	8	5	7	3	3	3	3	3	4	5	5	5	4	4	4	3	3	4	3	3	4	3	2	2
Nearest Offshore or Glassy	Dumps (Brandon Bay) Kerry	Ballybunion Kerry	Ballybunion Kerry	Ballybunion Kerry	St Finan's Bay Kerry	Tramore Left Waterford	Bunatrahir Bay Mayo and Achill Island	Ownachincha Cork	Aln Estuary North East England	Aln Estuary North East England	Mangersta Sands (Lewis) Scot - Outer Hebrides	Ballinskelligs Bay Kerry	Inch Reefs Kerry	Dooega Mayo and Achill Island	Keel Mayo and Achill Island	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Cornish Reef Clare	Lahinch Strand Clare	Fanore Clare	Crab Island Clare	Cornish Reef Clare	Lahinch Strand Clare
Rating (10 max)	1	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)	93	63	63	63	148	184	140	166	570	570	588	145	108	107	114	12	12	12	14	12	11	0	14	12
Best forecast wave conditions in Clare																Lahinch Strand	Lahinch Strand	Lahinch Strand	Green Point (Cream Point)	Lahinch Strand	Green Point (Cream Point)	Doolin Point	Green Point (Cream Point)	Lahinch Strand
Rating (10 max)																1	1	1	1	1	1	1	1	1
Best forecast wave conditions in Ireland	Bundoran Donegal	Portballintrae Antrim	Fanad Head Reef Donegal	Pollacheeny Harbour Sligo	Brinlack Point (Bloody Foreland) Donegal	Gweebarra (Dooey beach) Donegal	Bunatrahir Bay Mayo and Achill Island	Ownachincha Cork				Derrynane Kerry	Inch Reefs Kerry	Inch Reefs Kerry	Brinlack Point (Bloody Foreland) Donegal	Oysterhaven Cork	Fanad Head Reef Donegal	Pollacheeny Harbour Sligo	Pollacheeny Harbour Sligo	Pollacheeny Harbour Sligo	Pollacheeny Harbour Sligo	Doolin Point Clare	Brinlack Point (Bloody Foreland) Donegal	Inch Reefs Kerry
Rating (10 max)	1	1	1	1	1	1	1	1				1	1	1	1	1	1	1	1	1	1	1	1	1
Header Global	Etang-Sale Reunion	Boneyards South Africa	Bluff Panama	Bluff Panama	Bluff Panama	El Gringo Chile	Ilot Sancho Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Benkunqut Indonesia	Amanzimtoti South Africa	Barbel Point South Africa	Bells Beach - Bowl Australia	Cobblestones Australia	Bancoora Australia	Buchupureo Chile	Lebu Chile	Lebu Chile	Buchupureo Chile	Bancoora Australia	Cathedral Rock Australia	Cathedral Rock Australia	Fox River New Zealand	Fox River New Zealand
Rating (10 max)	5	4	4	4	4	4	5	4	4	4	4	4	5	5	5	8	9	8	6	9	9	5	6	6

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

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Crab Island 48 hour detailed Surf Forecast

How big are the waves at Crab Island today (12 Jul):

Short Range Forecast

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