Trevone Bay 48 hour detailed Surf Forecast

Lat Long: 50.55° N 4.98° W

Issued: 6 pm 21 Jul 2026 (local time)

Forecast update in hr min

Today's Trevone Bay sea temperature is

17.9° C

Trevone Bay 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 Trevone Bay today (21 Jul):

Afternoon surf: Afternoon surf (21 Jul, local time) - 1.5ft (0.4m), 10s period with WNW swell.
Evening surf: Evening surf (21 Jul, local time) - 2.5ft (0.8m), 5s period with NNW swell.

The current surf forecast for Trevone Bay at 11PM is: 0.8m 5s primary swell from a North-northwest direction and 0.4m 10s secondary swell from a West-northwest direction, 0.1m 16s secondary swell from a Southwest direction (forecast issued at 06:00pm July 21). The wind direction is predicted to be cross-onshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (21 Jul)	-	-
Afternoon (21 Jul)	1.5ft (0.4m)	10s
Evening (21 Jul)	2.5ft (0.8m)	5s

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

	Short Range Forecast Mostly dry. Very mild (max 19°C on Thu morning, min 14°C on Tue night). Wind will be generally light.
	Tue 21			Wednesday 22								Thursday 23
	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	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WNW 10	WNW 10	NNW 5	WNW 10	N 5	N 5	N 5	N 5	N 5	N 5	N 6	N 6	N 6	N 6	NNW 6	NNW 6	N 6	N 5	N 5
Wave Graph
kJ	33	33	43	33	32	59	62	51	50	69	64	69	88	76	56	42	30	29	28
Wind (km/h)	N	N	N	N	N	NNE	NNE	N	N	N	N	N	NNE	NE	NNE	N	N	N	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	glassy	cross-on	cross-on	cross-on	cross-on
High Tide				11:30PM5.36m				11:58AM5.06m				00:26AM4.96m				12:59PM4.79m
Low Tide		5:22PM1.54m				5:51AM1.71m				6:16PM1.91m				6:48AM2.03m					7:21PM2.15m


	—	—	—	—	5:31	—	—	—	—	—	—	—	5:33	—	—	—	—	—	—
	—	9:20	—	—	—	—	—	—	—	9:19	—	—	—	—	—	—	—	9:16	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	17	17	16	15	15	14	14	15	16	16	18	17	16	17	19	19	18	18	19
Feels °C	14	14	14	13	12	10	10	11	12	13	16	15	14	17	19	17	16	17	18
Swell 1 Height (m) Direction Period (s)	WNW 10	WNW 10	WNW 10	WNW 10	W 10	W 10	W 9	W 9	W 9	W 9	W 9	W 9	W 9	N 6	NNW 6	NNW 6	N 6	N 5	N 5
kJ	33	33	32	31	16	16	16	16	15	15	15	14	14	76	56	42	30	29	28
Swell 2 Height (m) Direction Period (s)	W 7	SW 16	SW 16	SW 16	SW 16	W 16	W 16	W 16	W 15	W 15	SW 14	SW 14	SW 14	W 9	W 9	W 9	W 9	W 8	W 8
kJ	1	10	10	10	10	5	5	5	4	4	8	8	8	14	14	14	13	13	12
Swell 3 Height (m) Direction Period (s)	SW 16	—	W 7	W 7	W 7	—	—	—	—	—	—	—	—	SW 15	SW 15	SW 14	SW 14	W 14	SW 14
kJ	10	—	1	1	1	—	—	—	—	—	—	—	—	8	8	8	8	4	8
Wind waves Height (m) Direction Period (s)	NNW 5	NNW 5	NNW 5	N 5	N 5	N 5	N 5	N 5	N 5	N 5	N 6	N 6	N 6	—	—	—	—	—	—
kJ	25	31	43	33	32	59	62	51	50	69	64	69	88	—	—	—	—	—	—
Nearest Offshore or Glassy	Los Locos Cantabria	Playa Bahinas Asturias	Rhos-On-Sea Wales - North	Rhos-On-Sea Wales - North	Rhos-On-Sea Wales - North	Rhos-On-Sea Wales - North	La Palue Brittany - Finistere	Muckros Donegal	Playa de Penarrubia Asturias	Fraisthorpe North East England	Fraisthorpe North East England	Ballybunion Kerry	Polzeath Cornwall (North)	Constantine Bay Cornwall (North)	Boobys Cornwall (North)	Gwenvor Cornwall (North)	Gwenvor Cornwall (North)	Gwenvor Cornwall (North)	Constantine Bay Cornwall (North)
Rating (10 max)	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	793	778	319	319	319	319	262	513	779	505	505	391	5	4	4	72	72	72	4
Best forecast wave conditions in North Cornwall													Polzeath	Tregardock	Polzeath	Sennen Cove	Sennen Cove	Sennen Cove	Constantine Bay
Rating (10 max)													1	1	1	1	1	1	1
Best forecast wave conditions in United Kingdom			Rhos-On-Sea Wales - North	Rhos-On-Sea Wales - North	The Cove North East England	Berwick-Upon-Tweed North East England	Balephuil (Tiree) Scot - Inner Hebrides	Caves (Sandsend) North East England		Bridlington North East England	Scarborough North Bay North East England	Scarborough North Bay North East England	Croyde Devon (North)	Tregardock Cornwall (North)	Polzeath Cornwall (North)	Sennen Cove Cornwall (North)	Sennen Cove Cornwall (North)	Sennen Cove Cornwall (North)	The Cove North East England
Rating (10 max)			1	1	1	1	1	2		1	1	1	1	1	1	1	1	1	1
Header Global	Fare Left French Polynesia	Fare Left French Polynesia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Cobblestones Australia	Gas Bay Australia	Bancoora Australia	Cobblestones Australia	Cathedral Rock Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Boneyards South Africa	Albatross South Africa	Brak River South Africa	Point Roadnight Australia	Point Roadnight Australia
Rating (10 max)	5	5	5	5	6	6	5	5	5	5	9	5	4	4	4	4	4	9	9

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

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 Trevone Bay 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.

Trevone Bay 48 hour detailed Surf Forecast

How big are the waves at Trevone Bay today (21 Jul):

Short Range Forecast

Latest Updates

Summer School: The Timeline of The Boardshort

How Our WaveFinder Tool Makes Forecasting Easier Than Ever Before

The Five Best Forecasts For International Surfing Day 2026

Best Surf Travel Deals & Discounts For 2026 To Help Make Surf Travel Cheaper

Let Our Surf Alerts Do All Your Forecast Heavy Lifting

FREE! Surf-Forecast.com widget for your website