Surf Forecast Surf Report
Dark Reef surf break

Dark Reef surfForecast / Khánh Hoà / Vietnam

information circle12 Day Weather and Surf, issued 6 pm Tuesday 20 May 2025 +07
Forecast update in 1hr 1 min 55 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
85.1°F
(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 Sunday (May 25) at 1PM. The primary swell is predicted to be 3ft and 6s 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 6ft 8s and forecast to arrive on Monday (May 26) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 8ft 8s period and expected on Tuesday (May 27) at 10PM.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Sun 25th May)3ft (0.9m) 6s
Best Surf10PM (Sun 25th May)5ft (1.5m) 7s
Most Powerful 4AM (Mon 26th May)6ft (1.9m) 8s

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

Updates in 1 hr 1 min 55 s Forecast update imminent
Tue
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sun
01
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (ft) & direction (?)
0.5
E
0.5
E
1
E
1.5
E
1.5
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1
ENE
1
ENE
0.5
ENE
1
ENE
2
NE
2.5
ENE
3
NE
4.5
NNE
5
NE
4.5
NNE
2.5
NNE
1
N
2
NNE
2.5
NE
2
NE
1.5
NE
1.5
NE
1.5
NE
1
NE
3.5
S
1
N
2
NNE
2
NNE
1.5
NNE
1
NE
2.5
NE
2
NE
1.5
NE
Period(s) (?)5556555555554556887810999989689981311109
Wave
Graph
(?)Metric surfscale
Energy (?)2241098101055351022351183052625712649070412818147712596441261197923
Wind
(mph)
5
SE
5
WNW
5
E
5
E
5
WNW
5
NE
5
ESE
5
WNW
5
ENE
5
E
5
NW
5
NE
10
NNE
10
NNW
10
W
10
SW
5
WNW
5
WSW
5
NNW
5
W
5
SE
5
NE
5
W
5
WSW
5
ESE
5
WNW
0
W
5
SSE
5
NW
0
S
5
W
5
WSW
0
NE
5
ESE
5
W
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
offononcross-
off
cross-
on
oncross-
off
cross-
on
oncross-
off
cross-
on
cross-
on
cross-
off
offcross-
off
offoffcross-
off
offcross-
on
cross-
on
offglassglassoffglasscrosscross-
off
glassoffcross-
off
glassglassoffglass
High Tide
/ height (ft)
1:54PM
4.33
8:44AM
3.58
3:44PM
3.77
7:35AM
3.67
6:16PM
3.31
7:25AM
4
8:37PM
3.12
7:32AM
4.46
11:19PM
3.15
7:52AM
4.99
8:20AM
5.41
8:56AM
5.74
9:38AM
5.87
10:22AM
5.84
11:08AM
5.61
11:53AM
5.22
Low Tide
/ height (ft)
10:49PM
0.89
11:30PM
1.21
10:58AM
3.54
12:05AM
1.64
1:26PM
2.82
12:31AM
2.17
2:32PM
1.97
12:45AM
2.72
3:26PM
1.08
12:12AM
3.12
4:17PM
0.33
5:08PM
-0.2
6:01PM
-0.49
6:54PM
-0.49
7:48PM
-0.3
8:40PM
0.03
Tue
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sun
01
Sunrise--5:18--5:16--5:16--5:16--5:16--5:16--5:16--5:16--5:16--5:16--5:16--5:16
Sunset6:00--6:00--6:00--6:01--6:01--6:01--6:01--6:02--6:02--6:02--6:04--6:04--
clearthunderstorm part cloudthunderstorm thunderstorm part cloudthunderstorm clearpart cloudclearthunderstorm thunderstorm thunderstorm thunderstorm heavy rainheavy rainheavy rainpart cloudcloudpart cloudpart cloudthunderstorm part cloudpart cloudpart cloudpart cloudpart cloudthunderstorm thunderstorm rain showersthunderstorm part cloudpart cloudthunderstorm thunderstorm part cloud
Rain (in)
-0.0-0.10.2-0.0---0.00.20.40.93.53.20.5----0.0-----0.00.00.11.1--0.20.0-
Temp. °F868286868186848286868286847975757784848184868186868286848286798186848184
Feels °F (?)919191939093909193939191888479778291918891938893959095919195889095938891

Short Range Forecast: Light rain (total 0.4in), mostly falling on Wed night. Warm (max 86°F on Tue afternoon, min 79°F on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 8.7in), heaviest during Sun morning. Warm (max 86°F on Fri afternoon, min 75°F on Sun morning). Wind will be generally light.

Days 6-9 Weather Summary Some drizzle, heaviest during Tue afternoon. Warm (max 86°F on Tue afternoon, min 79°F on Mon night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 1.4in), heaviest during Fri afternoon. Warm (max 86°F on Fri morning, min 79°F on Thu night). Wind will be generally light.

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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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