Marlin Surf Break

Lat Long: 11.80° S 37.54° W

Marlin Surf Forecast and Surf Report

Issued: 8 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Marlin sea temperature is
26.0° C
0.5° 

Marlin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Marlin surf forecast from 9 Aug 2026:

  • Most powerful swell: Friday 14 Aug, 3AM (local time) - 4ft (1.2m), 13s period, S swell with 521 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 13s and forecast to arrive on Friday (Aug 14) at 3AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 3AM (Fri 14th Aug)4ft (1.2m) 13s

Table - best surf conditions forecast for Marlin over the next 16 days.


The Lowdown

Right, let’s have a look at the next couple of weeks, yeah? It’s a bit of a funny one, to be honest. The ocean’s got some size kicking around, but it’s not doing us any favours at Marlin (Big Island). The energy’s there, but the wind and the direction are just making a mess of things. We’re looking at a patchy run ahead.

The first part of the week is basically a write-off. We’ve got some weak, short-period swell in the water, but it’s coming from the east and we’ve got a cross-onshore breeze on it. It’s just lumpy and unorganised. The combined energy is only around 114 to 247, which is weak to moderate, and it’s just not translating into anything rideable. The swell is under 3ft, so it’s not even like there’s a sneaky wave to be found. It’s flat and messy.

We might see a bit of a pulse from the south around the 13th and 14th. The swell jumps up a touch, and the period gets longer, up to 13 seconds, which is a proper groundswell. The combined energy is climbing into the 500s and 600s, which is moderate. But the wind is still on it, coming from the east-southeast, making things choppy. The wave comment calls it marginal, and that’s about right. It’s a tease, a bit of size but no shape to it. The water temp is 79°, which is pretty much spot on for this time of year, so you won’t need a thick suit at least.

There’s a bit of a lull again late in the second week, a few days there where it’s back to that small, onshore slop. The energy drops back down to the 250s and 260s, so it’s weak. It’s not looking good.

Then, looking way out to the 21st of August, there’s a whisper of something better. The swell is forecast to push up to 7ft, and the combined energy is hitting 904, which is strong. Still, the period is only 9 seconds, so it’s not a long-range groundswell, and the wind is forecast to be cross-onshore from the east. That’s a lot of power but it’s going to be bumpy. It’s a promise, but a long way off, so I wouldn’t bank on it being perfect. After that, it eases back off a bit into the 500s and 400s, with the wind staying generally onshore.

So, the honest truth is, there’s nothing here that’s a standout. The best bet is probably the 21st if that swell fills in, but even then, the wind is a problem. Otherwise, it’s a waiting game. The setup here at Marlin is a beach break, and with this persistent onshore flow and short-period swell, it’s going to be messy. If you’re into kitesurfing, this might be your window, because there’s plenty of wind and some size, but for paddle surfing, you’re going to be frustrated. It’s a classic case of a lot of ocean, but not a lot of surf.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Mon night. Warm (max 26°C on Sun morning, min 23°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Warm (max 26°C on Wed morning, min 23°C on Fri night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
E
7
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
0.9
ESE
7
1.3
ESE
7
1.3
ESE
7
1.3
ESE
7
1.7
SE
6
1.8
ESE
7
1.6
ESE
7
0.7
S
15
0.8
S
13
1
E
8
0.9
S
14
1.1
S
13
1.1
S
12
0.7
S
15
1
S
13
1
ESE
12
1
S
15
Wave Graph
Metric surfscale
Energy kJ
112
91
91
86
84
158
153
173
245
352
280
215
219
140
306
404
356
215
350
293
470
Wind (km/h)
15
E
15
E
15
ESE
15
ESE
20
SE
15
SE
20
SE
20
SSE
20
SSE
20
SE
20
ESE
10
ESE
15
E
15
ESE
10
ESE
10
ENE
15
E
15
ENE
15
ENE
15
E
15
ENE
Wind State
cross-on
on
on
on
on
cross-on
on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
High Tide
1:15PM1.79m
1:29AM1.87m
2:11PM1.94m
2:21AM2.05m
2:58PM2.06m
3:06AM2.20m
3:40PM2.13m
3:48AM2.29m
4:19PM2.15m
4:27AM2.31m
4:56PM2.12m
5:06AM2.26m
5:31PM2.04m
Low Tide
7:28PM0.47m
7:56AM0.18m
8:18PM0.34m
8:45AM0.03m
9:02PM0.23m
9:29AM-0.06m
9:42PM0.17m
10:09AM-0.08m
10:20PM0.14m
10:48AM-0.03m
10:56PM0.17m
11:24AM0.07m
11:32PM0.23m
clear
clear
clear
clear
clear
rain showers
clear
clear
rain showers
part cloud
clear
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:45
5:45
5:43
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:24
5:24
5:24
5:25
5:25
5:25
 mm
1
2
1
1
Temp °C
26
26
25
25
25
24
25
25
25
26
25
24
25
25
24
25
25
24
25
25
24
Feels °C
27
27
26
26
25
25
25
25
24
25
24
25
26
26
26
26
26
26
25
26
25
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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