Dark Reef surf break

Dark Reef surfForecast / Khánh Hoà / Vietnam

information circle12 Day Weather and Surf, issued 12 am Thursday 11 Dec 2025 +07
Forecast update in hr  min  s Forecast update imminent
Dark Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dark Reef sea temperature is
26.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Dark Reef this week:

The surf forecast for Dark Reef over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 12) at 1AM. The primary swell is predicted to be 1.7m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dark Reef in the next 12 days are 3.5m 10s and forecast to arrive on Sunday (Dec 14) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Thursday (Dec 18) at 4AM.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Fri 12th Dec)5.5ft (1.7m) 9s
Best Surf10PM (Tue 16th Dec)7ft (2.1m) 11s
Most Powerful 4PM (Sun 14th Dec)11ft (3.5m) 10s

Table - best surf conditions forecast for Dark Reef over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Thu morning. Warm (max 26°C on Thu morning, min 23°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Sat night. Warm (max 26°C on Tue morning, min 23°C on Sun afternoon). Mainly fresh winds.

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
1
0
2
0
0
3
1
1
1
1
1
1
1
1
3
2
2
3
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.8
NE
1.8
NE
1.8
NE
1.7
NE
1.8
NE
2
NE
1.9
NE
2.2
NE
2.2
NE
2.5
NE
3.5
NE
3.5
NE
3.5
NE
3
NE
2.5
NE
3
NE
2.5
NE
2.3
NE
2
NE
1.8
NE
1.9
NE
Period(s) (?)1010109989888910101010111111111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)58963655445750251952961965088119252339200715911420190316251176884690724
Wind
(km/h)
15
NNW
15
NNE
15
NNE
15
NNW
25
NNE
20
NNE
15
NNW
20
N
20
N
25
N
30
NNE
30
NNE
25
N
30
NNE
25
NNE
20
N
20
NNE
20
NNE
15
NNW
20
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
cross-
off
crosscross-
on
cross-
off
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
crosscross
High Tide
/ height (m)
12:20AM
1.47
1:00AM
1.28
7:02PM 1:34AM
1.07 1.06
6:21PM
1.13
3:59AM
0.86
6:18PM
1.21
6:25PM
1.29
6:39PM
1.36
Low Tide
/ height (m)
9:36AM
0.26
10:04AM
0.43
10:35PM
1.05
10:19AM
0.58
2:12AM
0.86
10:16AM
0.70
2:39AM
0.66
3:07AM
0.49
3:35AM
0.34
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-5:52--5:52--5:54--5:54--5:54--5:54--5:56-
Sunset--5:17--5:19--5:19--5:20--5:20--5:20--5:21
part cloud
rain showers
clear
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
light rain
rain showers
rain showers
rain showers
rain showers
clear
rain showers
rain showers
part cloud
rain showers
rain showers
clear
Rain (mm)
-1-11----54242-41-12-
Temp. °C242626242626242624242424242525232625242626
Feels °C (?)262827262526252624242222232324232626262627
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 12 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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