Crab Island 48 hour detailed Surf Forecast

Lat Long: 53.04° N 9.39° W

Issued: 12 am 11 Jul 2026 (local time)

Forecast update in hr min

Today's Crab Island sea temperature is

15.4° 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 (11 Jul):

Morning surf: Morning surf (11 Jul, local time) - 2.5ft (0.7m), 9s period with W swell.
Afternoon surf: Afternoon surf (11 Jul, local time) - 2.5ft (0.7m), 9s period with WNW swell.
Evening surf: Evening surf (11 Jul, local time) - 2ft (0.6m), 8s period with WNW swell.

The current surf forecast for Crab Island at 8AM is: 0.8m 9s primary swell from a West direction (forecast issued at 12:00am July 11). An open ocean swell of 0.6m 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 (11 Jul)	2.5ft (0.7m)	9s
Afternoon (11 Jul)	2.5ft (0.7m)	9s
Evening (11 Jul)	2ft (0.6m)	8s

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 13°C on Fri night). Wind will be generally light.
	Saturday 11								Sunday 12								Monday 13
	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	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WNW 9	W 9	W 9	W 9	W 9	WNW 9	WNW 8	WNW 8	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
Wave Graph
kJ	147	106	103	79	78	80	55	53	38	33	20	19	19	11	10	10	9	5	5	15	14	26	26	41
Wind (km/h)	NE	NE	NE	NE	NE	NNE	NNE	NNE	NE	NE	NE	ENE	ENE	ENE	NE	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	cross-off	cross-off	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
High Tide		2:34AM3.60m				3:10PM3.84m				3:44AM3.78m					4:13PM4.08m				4:48AM4.01m				5:10PM4.34m
Low Tide				8:55AM0.96m				9:35PM0.84m				9:59AM0.77m					10:34PM0.51m				10:54AM0.57m


	—	5:24	—	—	—	—	—	—	—	5:24	—	—	—	—	—	—	—	5:26	—	—	—	—	—	—
	—	—	—	—	—	—	—	10:00	—	—	—	—	—	—	9:59	—	—	—	—	—	—	—	9:58	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	15	15	13	15	19	22	22	19	17	16	15	17	24	26	25	21	18	18	17	18	22	24	22	17
Feels °C	12	12	9	12	16	21	20	17	15	14	12	15	22	24	23	19	15	15	14	14	17	20	17	12
Swell 1 Height (m) Direction Period (s)	WNW 9	W 9	W 9	W 9	W 9	WNW 9	WNW 8	WNW 8	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
kJ	147	106	103	79	78	80	55	53	38	33	20	19	19	11	10	10	9	5	5	5	14	26	26	41
Swell 2 Height (m) Direction Period (s)	WSW 8	—	—	—	—	—	—	—	—	—	—	—	—	W 21	W 21	W 21	W 21	W 8	W 8	W 8	W 8	W 8	W 8	W 7
kJ	6	—	—	—	—	—	—	—	—	—	—	—	—	9	9	9	9	1	1	5	5	5	5	4
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	W 15	W 15	W 14	WNW 7	WNW 7	NW 7	W 19
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4	4	15	5	4	2	7
Wind waves Height (m) Direction Period (s)	NNE 3	NNE 3	NNE 3	NE 3	NE 3	NNE 3	NNE 3	NNE 3	NNE 4	NNE 3	NE 3	NE 3	NE 3	NE 3	ENE 3	ENE 3	NE 3	ENE 3	ENE 3	NE 3	NE 3	ENE 3	ENE 3	NE 3
kJ	7	8	8	5	5	4	6	8	8	7	7	3	3	2	3	3	4	3	3	4	4	3	3	4
Nearest Offshore or Glassy	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Dooega Mayo and Achill Island	Ballybunion Kerry	Ballybunion Kerry	Dooagh Mayo and Achill Island	St Finan's Bay Kerry	Tramore Left Waterford	Brandon Bay Kerry	Ownachincha Cork	Aln Estuary North East England	Aln Estuary North East England	Aln Estuary North East England	Coumeenole Kerry	Inch Reefs Kerry	Garywilliam Point Kerry	Banna Strand Kerry	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)	12	12	12	12	12	12	12	12	107	63	63	115	148	184	98	166	570	570	570	127	108	92	82	12
Best forecast wave conditions in Clare	Lahinch Strand	Lahinch Strand	Lahinch Strand	Lahinch Strand	Lahinch Strand	Lahinch Strand	Lahinch Strand	Lahinch Strand																Lahinch Strand
Rating (10 max)	1	1	1	1	1	1	1	1																1
Best forecast wave conditions in Ireland	Rossnowlagh Donegal	Rossnowlagh Donegal	Rossnowlagh Donegal	Rossnowlagh Donegal	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Lahinch Strand Clare	Bundoran Donegal	Portballintrae Antrim	Portballintrae Antrim	Pollacheeny Harbour Sligo	Brinlack Point (Bloody Foreland) Donegal	Brinlack Point (Bloody Foreland) Donegal	Ownachincha Cork	Ownachincha Cork				Derrynane Kerry	Inch Reefs Kerry	Inch Reefs Kerry	Brinlack Point (Bloody Foreland) Donegal	Pollacheeny Harbour Sligo
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	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Albatross South Africa	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion	Etang-Sale Reunion	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Benkunqut Indonesia	Black Rocks Mauritius	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Bancoora Australia
Rating (10 max)	5	5	5	4	7	6	6	5	5	5	5	5	5	5	5	4	4	4	4	4	6	5	5	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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Crab Island 48 hour detailed Surf Forecast

How big are the waves at Crab Island today (11 Jul):

Short Range Forecast

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