Viana do Castelo Surf Forecast and Surf Report

Alright, let's get into it. It's gonna be a slow burn to start, but if you can be patient, there are some proper sessions lining up.

The next week and a half will be a bit of a tease. We've got waves, sure, but they're mostly small and the wind's not playing nice. This Thursday afternoon (the 10th) there's a bit of bump at Viana do Castelo, but it's weak and the conditions are marginal at best. The swell's only around 4ft with moderate cross-offshore wind, so it's not going to be pretty. Think of it as a good day to just watch the horizon and not get your hopes up.

Friday (the 11th) is more of the same, a small 2ft wave in the morning but it drops off in the afternoon. The energy is weak too, only 86 for the morning and dropping to 57 by the afternoon. You'd be scratching for anything rideable. Saturday (the 12th) starts off glassy with light wind which is a huge positive, but the swell is tiny at 2ft. The energy picks up a touch to 147, but it's still small and gutless. Sunday morning (the 13th) is where things get a little more interesting. We see a jump in size to 4ft from the NW with a 12-second period and the energy jumps to 496. That's moderate energy and the morning is looking clean with light E wind. This is the first real chance to get a few fun ones at Viana do Castelo (North Portugal), even if you might have to share the peak.

The start of the following week, Monday (the 14th), is a bit of a letdown again, dropping back to 3ft and the wind goes a bit cross. Tuesday (the 15th) is worse, with strong afternoon winds and poor waves. Wednesday (the 16th) brings a bit more size but the period is short and the winds are fresh, making it messy and only for the desperate.

Now, let's talk about the standout. Thursday morning, the 17th of September. This is the one to circle on the calendar. We've got 6ft of NW swell with a 10-second period. The wind is light offshore from the NNE, and the energy reading is a solid 688. That's a strong push of water and with that offshore wind, the break is going to be clean and lined up. The overall forecast quality is high. This is the best session on offer so far and I wouldn't be surprised to see it firing.

Friday (the 18th) and Saturday (the 19th) keep the hope alive with 4ft waves and good morning conditions, though the wind is a bit more cross-off. Then we get another absolute beauty on Sunday the 20th and Monday the 21st. Sunday morning starts glassy with 4ft, but it's the Sunday afternoon that's the pick, with the swell pushing 5ft and the energy building to 636. And then Monday morning, the 21st, is nearly perfect: glassy, light ENE wind, and 4ft of groundswell from the NW. The energy is up at 517. These are the kind of days you're chasing.

The following Tuesday (the 22nd) is also looking great, with 4ft and a very long-period swell coming in at 16 seconds in the afternoon. The energy reading jumps right up to 781, which is strong. That long period will mean better shaped, more powerful waves, but at a beach break, it can tend to close out a bit. Keep that in mind, but for a river break like this, it could handle it well.

Wednesday (the 23rd) is another day with excellent potential. Morning has 5ft waves, and the afternoon goes glassy with 5ft. Energy is still strong at 603. This is shaping up to be a great run.

Thursday (the 24th) sees the swell hold at 5ft but the wind turns cross-onshore which will chop things up a bit. It's surfable but not ideal.

And then we get the real big one. Friday morning, the 25th of September. This is a serious pulse of swell. The forecast is calling for 7ft from the NW with a 12-second period, and the energy reading is a massive 1189. It's glassy, with zero wind. Now, I have to be honest with you here, this is getting into expert territory. That's a powerful wave for this spot and for a river break, it could be handling a lot of water. Beginners should definitely sit this one out. It's a true standout for the experienced crew, but the long-range nature of the forecast means we need to keep an eye on it.

Rusty

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