
Surf Forecasts:
Jaco Beach surf forecast from 2 Aug 2026:
- Best quality surf: Saturday 8 Aug, 6AM (local time) - 2.5ft (0.8m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Saturday 8 Aug, 12PM (local time) - 3ft (0.9m), 16s period, SSW swell with 387 kJ wave energy.
- Next surfable swell (1★+): Sunday 2 Aug, 12AM (local time) - 1.5ft (0.5m), 16s period with SW swell.
Best Forecast Surf Conditions for Jaco Beach this week:
The surf forecast for Jaco Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 02) at 12AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.6m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Jaco Beach in the next 16 days are 0.9m 16s and forecast to arrive on Saturday (Aug 08) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 2nd Aug) | 1.5ft (0.5m) 16s |
| Best Surf | 6AM (Sat 8th Aug) | 2.5ft (0.8m) 16s |
| Most Powerful | 12PM (Sat 8th Aug) | 3ft (0.9m) 16s |
Table - best surf conditions forecast for Jaco Beach over the next 16 days.
The Lowdown
Right, grab a seat, let’s look at what’s happening in the water.
Alright, so we’ve got a proper run of small but clean surf stretching over the next couple of weeks. Nothing huge, but don’t sleep on it – there are some real magic windows here. The mainstay through the whole stretch is Jaco Beach. It’s a very consistent spot, exposed to the swell, and mostly looking at a long-period groundswell rolling in from the SW. The water temp is sitting at 86°F, which is a touch warmer than normal for this time of year, so you can leave the thick rubber at home.
We kick off on Saturday, August 1st afternoon, but conditions are messy with a risk of storms and a light cross breeze, and the swell is only 2 ft at 13 seconds. The combined energy is moderate (247). Skip it. The first real standout comes on Sunday morning, August 2nd. It’s dead glassy, calm as, with a lovely 2 ft swell at 15 seconds coming from the SW. Combined energy is light (236), but those conditions are going to be silky. This is a proper dawny window for a longboard or a funboard – clean, glassy, and easy.
The pattern repeats most mornings through the first week. Monday 3rd, Tuesday 4th, and Wednesday 5th all offer glassy mornings with small SW swell (2 ft to 3 ft) and periods between 8 and 14 seconds. The energy stays moderate, topping out around 275. Thursday and Friday mornings (6th and 7th) are also glassy, with Friday 7th seeing the period jump to 18 seconds (very long groundswell) and combined energy kicking up to 328. On a beach break like Jaco, that long period can make the waves stand up a bit straight, but at that size it’s still fun and the paddling out will be easier with those long gaps between sets.
The best of the first week is likely Friday morning, August 7th, with that glassy surface and a building swell. But honestly, the real highlight is waiting for us.
Friday morning, August 14th – mark it. We’ve got a clear sky, dead calm, glassy conditions, and a 3 ft swell from the SW with a period of 19 seconds. That’s a seriously long, powerful groundswell for this size. The combined energy jumps to a strong 667. This is the pick of the whole outlook. The waves will have proper shape and push for its size, and with zero wind, it’ll be a dream session for a longboard or mid-length.
That runs right into Saturday morning, August 15th – also glassy, calm, with the swell a touch bigger at 4 ft, 16 seconds, and energy at 780. Another cracker. Sunday morning, August 16th is a similar story: glassy, 3 ft, 14 seconds, energy at 572. All three of those mornings are the standout window. The afternoons through the entire period are sketchy with onshore breezes and storms, so it’s strictly a dawn patrol or early morning game.
Crowds at Jaco Beach are noted as “sometimes”, so I wouldn’t be shocked to see a few others with the same idea on those glassy mornings, but nothing insane. The break is very consistent, the spot is exposed, and the optimum swell direction (SSW) lines up well with what’s forecast. Over 5 ft? No. Over 8 ft? No. So it’s safe for all levels through this window, apart from the usual beginner caution on a dropping tide.
So the call is: don’t bother with the afternoons. The story here is all about the glassy mornings, especially August 14th, 15th, and 16th. That’s the gold.
Rusty
Short Range ForecastHeavy rain (total 26mm), heaviest during Sat afternoon. Warm (max 29°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 46mm), heaviest during Wed night. Warm (max 29°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 13 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | SW 14 | SW 14 | SW 13 | SW 18 | SSW 17 | SW 16 |
Wave Graph | ||||||||||||||||||||
167 | 125 | 107 | 136 | 200 | 147 | 142 | 138 | 131 | 125 | 113 | 85 | 86 | 84 | 64 | 47 | 111 | 154 | 264 | 264 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | cross | glassy | glassy | cross-on | glassy | glassy | cross | glassy | glassy | cross | cross-on | glassy | cross-on | cross-off | glassy | cross | cross |
High Tide | 4:41PM2.55m | 5:08AM2.63m | 5:18PM2.52m | 5:43AM2.66m | 5:56PM2.46m | 6:20AM2.65m | 6:37PM2.38m | 7:01AM2.62m | 7:23PM2.28m | 7:48AM2.57m | 8:18PM2.19m | 8:45AM2.51m | 9:23PM2.12m | |||||||
Low Tide | 10:52PM0.30m | 11:15AM0.45m | 11:26PM0.33m | 11:54AM0.45m | 00:01AM0.38m | 12:35PM0.46m | 00:41AM0.45m | 1:21PM0.49m | 1:26AM0.53m | 2:14PM0.54m | 2:20AM0.61m | 3:17PM0.57m | ||||||||
— | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | |
6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 5:59 | — | — | 5:59 | — | — | 5:59 | — | |
mm | 8 | 6 | — | 4 | 2 | — | 2 | 4 | — | 4 | 10 | — | 5 | 17 | 1 | 4 | 5 | — | 7 | 2 |
Temp °C | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 27 | 29 | 29 | 28 | 29 | 29 | 26 | 28 | 28 | 26 | 28 | 29 | 27 |
Feels °C | 32 | 33 | 33 | 32 | 33 | 32 | 33 | 31 | 33 | 32 | 33 | 32 | 32 | 30 | 31 | 31 | 30 | 31 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SSW 12 | SW 15 | SW 14 | SSW 7 | SSW 7 | SSW 8 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | SSW 7 | SSW 7 | S 9 | SW 16 |
167 | 118 | 96 | 136 | 200 | 71 | 65 | 125 | 131 | 125 | 113 | 85 | 86 | 84 | 64 | 45 | 62 | 66 | 80 | 264 | |
Swell 2 Height (m) Direction Period (s) | S 7 | SW 16 | S 7 | SSW 12 | S 7 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SSW 12 | SW 14 | SW 13 | SW 13 | SSW 17 | S 9 |
14 | 125 | 33 | 94 | 51 | 147 | 142 | 138 | 100 | 73 | 92 | 50 | 50 | 31 | 61 | 47 | 111 | 108 | 264 | 57 | |
Swell 3 Height (m) Direction Period (s) | SW 16 | SSW 6 | SW 15 | S 6 | S 11 | SSW 12 | SSW 11 | SW 16 | SW 16 | SW 16 | WSW 16 | SW 15 | WSW 6 | SW 6 | SW 14 | SSW 15 | SW 18 | SW 18 | SW 12 | SW 12 |
66 | 14 | 107 | 30 | 21 | 57 | 23 | 41 | 40 | 10 | 25 | 33 | 15 | 9 | 52 | 42 | 83 | 154 | 96 | 92 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 6 | SW 6 | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 15 | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 75 | 0 | 0 | 151 | 0 | 0 | 48 | 0 | 0 | 145 | 0 | 0 | 75 | 10 | 0 | 145 | 0 | 0 | 151 | 1 |
Best forecast wave conditions in Golfo de Nicoya | ||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||
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Information about the Jaco Beach Surf forecast
The above surf forecast table for Jaco Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jaco Beach can be found by selecting the local surf guide option on the grey menu. Our Jaco Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Jaco Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Jaco Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Golfo de Nicoya? If you are looking for accommodation near Jaco Beach, camping, hotels and holiday cottages in Golfo de Nicoya, consider staying in Esparza which is 43 km (27 miles) away. Other places in and around Golfo de Nicoya where you can find information about places to rent, and car hire include San Rafael Abajo which is 45 km (28 miles) away, Tejar, Chacarita and Puntarenas.











