Dark Reef Surf Break

Lat Long: 12.16° N 109.20° E

Dark Reef Surf Forecast and Surf Report

Issued: 12 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Dark Reef sea temperature is
29.1°C
0.4° 

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


Dark Reef surf forecast from 9 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 1AM (local time) - 5.5ft (1.7m), 10s period, NNE swell with offshore winds.
  • Most powerful swell: Sunday 13 Sep, 1PM (local time) - 6ft (1.8m), 11s period, NNE swell with 745 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 7PM (local time) - 3ft (0.9m), 5s period with N swell.

Best Forecast Surf Conditions for Dark Reef this week:

The surf forecast for Dark Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 7PM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.8m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Dark Reef in the next 16 days are 1.8m 11s and forecast to arrive on Sunday (Sep 13) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Monday (Sep 14) at 10AM.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Thu 10th Sep)3ft (0.9m) 5s
Best Surf 1AM (Sun 13th Sep)5.5ft (1.7m) 10s
Most Powerful 1PM (Sun 13th Sep)6ft (1.8m) 11s

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


Short Range Forecast

Heavy rain (total 38mm), heaviest during Thu afternoon. Warm (max 31°C on Wed morning, min 24°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Some drizzle, heaviest during Sat morning. Warm (max 32°C on Mon afternoon, min 24°C on Sat night). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
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
1
0
0
1
2
2
3
3
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
NE
10
0.1
NE
10
0.1
NE
9
0.2
NNE
6
0.8
N
5
0.9
NNE
5
0.8
NNE
5
0.9
NNE
6
1.1
NNE
7
1.3
NNE
8
1.4
NE
9
1.7
NNE
10
1.7
NNE
10
1.5
NNE
11
0.9
NNE
10
0.6
N
10
0.3
N
10
0.1
E
14
0.1
E
15
0.1
E
14
0.1
NE
14
Wave Graph
Metric surfscale
Energy kJ
4
4
3
4
28
42
37
59
107
230
345
522
578
531
163
75
17
4
4
4
8
Wind (km/h)
5
ENE
10
S
10
WNW
10
ESE
5
E
5
WNW
5
NE
5
E
5
SW
10
W
5
NNW
10
WSW
10
SSW
20
S
15
SSW
10
S
20
S
5
W
10
SE
0
ENE
5
W
Wind State
on
cross
cross-off
on
on
off
glassy
on
cross-off
off
glassy
off
cross-off
cross
cross-off
cross
cross
off
cross-on
glassy
off
High Tide
8:06AM1.52m
11:43PM0.95m
9:10AM1.45m
11:19PM0.99m
10:10AM1.35m
11:16PM1.07m
11:08AM1.22m
11:20PM1.17m
12:09PM1.08m
11:31PM1.26m
1:20PM0.95m
11:45PM1.34m
Low Tide
4:25PM0.22m
2:25AM0.91m
4:51PM0.35m
3:48AM0.78m
5:11PM0.51m
4:52AM0.65m
5:21PM0.65m
5:50AM0.54m
5:22PM0.77m
6:45AM0.46m
5:07PM0.85m
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
mod rain
rain showers
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:31
5:31
5:31
5:31
5:31
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:47
5:46
5:45
5:45
5:45
5:44
 mm
1
2
4
3
10
2
1
7
8
1
Temp °C
31
29
27
29
27
26
29
28
26
25
26
25
30
29
27
30
32
27
30
29
27
Feels °C
34
33
31
32
31
30
33
32
30
28
30
29
33
31
30
32
33
30
32
34
31
  • 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 Dark Reef Surf forecast

The above surf forecast table for Dark Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dark Reef can be found by selecting the local surf guide option on the grey menu. Our Dark Reef 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 (Dark Reef) 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 Dark Reef 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.

Dark Reef is 10 km (6 miles) from the city of Nhatrang. If you plan a holiday in Khánh Hoà, look for hotels and other accommodation in Nhatrang. Nhatrang has rooms for a wide range of budgets as well as car hire and transport links.

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