Viana do Castelo Surf Forecast and Surf Report

Alright, Rusty here. Let’s have a look at what’s going on for Viana do Castelo.

Honestly, the next couple of weeks are a bit of a mixed bag. The first week is pretty flat and uninspiring, with only a few tiny, barely rideable moments. Then, around the second weekend and into the start of the following week, we see a bump in swell, but it comes with strong winds that make it tricky. The standout window looks to be Tuesday the 21st of July, but with a serious size caveat.

Wednesday morning starts with surfable but very ordinary conditions at Viana do Castelo (river) – a tiny 1 ft WNW swell rolling in at 10 seconds, combined energy is weak at 66. Water temp is 61°, which is about 4° colder than normal for the time of year – feels a bit nippy. The light cross-offshore NNW wind (6 mph) keeps it clean, but there’s no push to get excited about. From there it’s a long stretch of poor surf – just small, weak, unruly waves with cross-on winds. Thursday through to the weekend sees nothing above 3 ft, and the conditions stay messy.

Monday the 13th of July morning gives a brief moment of glass – 2 ft NW swell (9 sec) with WNW glassy wind – combined energy only 49, so still a knee-high dribbler. Fine for a log if you’re desperate.

Then we hit a major gap. From midday Monday until early the following weekend, it’s all poor or marginal surf – mostly flat, tiny windswell.

Saturday the 18th of July morning brings a slight lift: 3 ft NW swell (6 sec) with cross-offshore NNW wind (9 mph), combined energy 79 – still very ordinary. But by Saturday afternoon, the swell jumps to 4 ft NW (7 sec) and the wind picks up to 16 mph cross-off – combined energy hits 190 (moderate). This is getting bigger, but the short period means it’s lumpy.

Sunday the 19th of July morning – 4 ft NNW swell (7 sec), cross-off wind 9 mph, combined energy 206. Marginal surf forecast with questionable tide. The swell is building but not clean enough to call good.

Monday the 20th of July morning – 5 ft NW (8 sec), cross-off, combined energy 242 – still marginal, but there’s a pulse coming.

Now here’s the standout – Tuesday the 21st of July morning – 6 ft NNW (9 sec) with cross-off NNW wind 12 mph, combined energy 569 (strong). This is the biggest, most consistent window. The morning is rated marginal, but the afternoon… the afternoon is the big call. Swell hits 7 ft NNW (9 sec) with a fresh cross-off north-northwest wind at 22 mph, combined energy 676 (very strong). The forecast says wind and tide are favorable, but the swell is too big for this break – and I agree. At 7 ft with that short period, this is expert-only territory. The river mouth will be a washing machine, and the rip will be strong. Only for the brave and experienced.

Wednesday the 22nd of July morning – 5 ft NNW (8 sec), cross-off, combined energy 299 – still big but dropping. The afternoon stays solid at 6 ft but with 22 mph cross-off winds – too windy for clean waves.

Thursday the 23rd of July morning – 4 ft NNW (7 sec), combined energy 202 – back to marginal.

All in all, the best on offer is the Tuesday 21st July afternoon at Viana do Castelo – but it’s a beast. If you’re a top-level local, you might score a few. For everyone else, the week before has only small glassy moments that aren’t worth a paddle-out unless you’re desperate for a float.

Stay safe, don’t get caught inside.

Rusty

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