Surf Forecasts:
Marlin surf forecast from 10 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 12AM (local time) - 4ft (1.2m), 11s period, E swell with 351 kJ wave energy.
Best Forecast Surf Conditions for Marlin this week:
The most powerful waves expected at Marlin in the next 16 days are 1.2m 11s and forecast to arrive on Thursday (Sep 17) at 12AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Friday (Sep 11) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12AM (Thu 17th Sep) | 4ft (1.2m) 11s |
Table - best surf conditions forecast for Marlin over the next 16 days.
The Lowdown
Alright, let me have a look at what's cookin' for Marlin over the next couple of weeks. I won't lie to ya, it's a bit of a tough stretch. Straight up, this wave window is a grind with no real standouts to get excited about. The water's sitting at 79°, which is pretty much what you'd expect for this time of year.
The whole 16-day run is plagued by onshore and cross-onshore winds. That ENE and ESE breeze just won't quit, keeping things choppy and bumpy. The swell lines are coming from the ESE and E mostly, with some S swell trying to push through late in the run. There's a lot of moderate wave energy floating around, but the wind just kills any chance of decent shape.
We start on Thursday the 10th with a small 3ft south swell, but it's got a cross-on easterly wind at 9 mph. It's just not gonna be pretty. Friday the 11th picks up a bit to 5ft, but the period drops to a short 7 seconds with a 12 mph cross-onshore. That's junk. This messy pattern hangs around straight through to the following Wednesday, with swell sizes hovering between 3ft and 5ft, all of it getting mangled by those onshores.
There's a little bit of a change on Sunday the 21st. A long-period south groundswell rolls in, with period hitting 14-18 seconds, and the swell is a manageable 2ft to 2ft. The energy is still decent, but guess what? The wind is still a dirty cross-onshore, 12 mph from the NE. That long-period swell would be ideal for a point or reef, but Marlin being what it is, the wind will mess up any chance of the wave holding its line.
Looking out to the second week, Wednesday the 23rd morning shows a bump to 5ft from the east with a 12-second period and some serious juice in the water, but the wind is still that nasty 12 mph cross-on. It's just a story of missed opportunities here.
Honestly, the whole 16 days looks more interesting for a kite session than a paddle. The wind is consistent, and there's swell to work with, but for a surfer looking for a clean face, it's a frustrating outlook. Hang in there, things can always change.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Warm (max 26°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Sun morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
AM | 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) | S 12 | S 12 | ESE 7 | ESE 7 | E 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 7 | E 7 | E 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 190 | 177 | 163 | 237 | 251 | 257 | 202 | 202 | 215 | 257 | 232 | 212 | 188 | 188 | 211 | 201 | 144 | 203 | 159 | 128 | 351 |
Wind (km/h) | |||||||||||||||||||||
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 | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 3:17PM2.14m | 3:26AM2.30m | 3:51PM2.17m | 4:01AM2.29m | 4:23PM2.14m | 4:36AM2.22m | 4:54PM2.06m | 5:10AM2.09m | 5:24PM1.95m | 5:44AM1.92m | 5:56PM1.81m | 6:20AM1.73m | 6:30PM1.66m | ||||||||
Low Tide | 9:09AM-0.03m | 9:19PM0.13m | 9:44AM-0.04m | 9:53PM0.10m | 10:17AM0.01m | 10:26PM0.12m | 10:48AM0.11m | 10:58PM0.17m | 11:18AM0.25m | 11:30PM0.27m | 11:48AM0.41m | 00:04AM0.40m | 12:20PM0.57m | 00:42AM0.54m | |||||||
 |  |  |  | |  | | |  |  | | | | | | | | | | | | |
 | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — | 5:24 | — | — |
 | — | 5:25 | — | — | 5:25 | — | — | 5:25 | — | — | 5:25 | — | — | 5:25 | — | — | 5:25 | — | — | 5:25 | — |
mm | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 25 | 24 | 26 | 26 | 26 |
Feels °C | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 8 | ESE 11 | ESE 11 | ESE 8 | ESE 8 | ESE 8 | S 12 | ESE 10 | ESE 8 | S 11 | ESE 8 | ESE 8 | S 11 | S 9 | S 9 | S 11 |
| kJ | 149 | 167 | 163 | 237 | 251 | 257 | 76 | 75 | 215 | 257 | 232 | 11 | 10 | 188 | 2 | 201 | 144 | 55 | 61 | 42 | 82 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 10 | ESE 12 | S 16 | S 15 | S 14 | S 13 | S 13 | S 12 | — | S 11 | S 11 | S 19 | S 8 | S 7 | S 15 | S 13 | SE 12 | S 13 |
| kJ | 190 | 177 | 86 | 52 | 93 | 193 | 118 | 66 | 31 | 29 | 11 | — | 10 | 9 | 7 | 1 | 4 | 17 | 31 | 35 | 13 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ESE 13 | ESE 12 | S 14 | S 13 | ESE 12 | S 9 | S 9 | — | — | — | — | — | — | — | S 10 | S 16 | E 14 | S 13 | S 12 | — |
| kJ | 65 | 64 | 99 | 37 | 89 | 52 | 15 | 6 | — | — | — | — | — | — | — | 2 | 19 | 4 | 31 | 27 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | E 7 | ENE 7 | — | ESE 8 | ESE 8 | — | — | — | ESE 8 | ESE 8 | — | ESE 8 | — | — | E 8 | E 7 | E 7 | E 11 |
| kJ | — | — | — | 233 | 167 | — | 202 | 202 | — | — | — | 212 | 188 | — | 211 | — | — | 203 | 159 | 128 | 351 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 904 | 925 | 354 | 157 | 925 | 925 | 157 | 2174 | 481 | 157 | 1363 | 354 | 925 | 925 | 173 | 169 | 904 | 904 | 160 | 992 | 354 |
Best forecast wave conditions in Bahia - Norte | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Marlin Surf forecast
The above surf forecast table for Marlin provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Marlin can be found by selecting the local surf guide option on the grey menu. Our Marlin 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 (Marlin) 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 Marlin 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 Bahia - Norte? If you are looking for accommodation near Marlin, camping, hotels and holiday cottages in Bahia - Norte, consider staying in Conde which is 8 km (5 miles) away. Other places in and around Bahia - Norte where you can find information about places to rent, and car hire include Esplanada which is 44 km (27 miles) away, Rio Real, Estancia and Entre Rios.
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