Surf Forecasts:
How big are the waves at Dark Reef today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 3ft (0.9m), 7s period with NNE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.1m), 7s period with NNE swell.
- Evening surf: Evening surf (21 Sep, local time) - 3.5ft (1.0m), 6s period with NNE swell.
The current surf forecast for Dark Reef at 2AM is: 0.7m 7s primary swell from a Northeast direction and 0.2m 12s secondary swell from a East-northeast direction (forecast issued at 06:00pm September 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 3ft (0.9m) | 7s |
| Afternoon (21 Sep) | 3.5ft (1.1m) | 7s |
| Evening (21 Sep) | 3.5ft (1.0m) | 6s |
Table - waves today at Dark Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 51mm), heaviest during Sun afternoon. Warm (max 29°C on Mon morning, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | NE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | N 6 | N 6 | NNE 6 | NE 16 | NE 16 | NNE 6 | NNE 6 | NNE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 77 | 90 | 33 | 54 | 54 | 94 | 89 | 99 | 117 | 94 | 71 | 94 | 77 | 53 | 63 | 78 | 115 | 124 | 87 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | off | off | cross-off | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross |
High Tide | 2:41AM1.34m | 4:14AM1.32m | |||||||||||||||||
Low Tide | 1:47PM0.32m | 2:30PM0.30m | |||||||||||||||||
 |  | | |  |  | | | | | |  | |  | |  | | | | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — |
mm | 3 | 4 | 1 | 1 | 1 | — | 1 | 3 | 3 | 4 | 1 | — | 1 | 2 | 4 | — | 3 | 3 | 2 |
Temp °C | 28 | 27 | 27 | 26 | 25 | 26 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 26 |
Feels °C | 31 | 30 | 31 | 30 | 29 | 30 | 33 | 32 | 31 | 30 | 30 | 28 | 28 | 29 | 29 | 31 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | ENE 13 | ENE 13 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 12 | NE 12 | NE 12 | ENE 17 | NNE 6 | NNE 6 | ENE 15 | NE 16 | S 8 | S 7 | ENE 15 | ENE 15 |
| kJ | 17 | 17 | 33 | 54 | 54 | 54 | 53 | 6 | 6 | 6 | 28 | 56 | 55 | 46 | 63 | 18 | 26 | 87 | 84 |
Swell 2 Height (m) Direction Period (s) | — | — | ENE 13 | ENE 12 | ENE 12 | NE 12 | ENE 12 | E 19 | NE 18 | NE 18 | ENE 12 | ENE 17 | ENE 17 | NE 12 | S 8 | NE 16 | ENE 15 | S 7 | S 6 |
| kJ | — | — | 16 | 15 | 15 | 6 | 15 | 7 | 13 | 12 | 14 | 27 | 29 | 5 | 5 | 64 | 88 | 23 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NE 12 | NE 12 | S 6 | NE 12 | — | — | — | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 6 | 5 | 1 | 5 | — | — | — | 18 |
Wind waves Height (m) Direction Period (s) | NE 7 | NNE 7 | NNE 4 | NNW 3 | N 4 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | N 6 | N 6 | NNE 6 | NNE 6 | NNE 5 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 77 | 90 | 10 | 3 | 11 | 94 | 89 | 99 | 117 | 94 | 71 | 94 | 77 | 53 | 45 | 78 | 115 | 124 | 87 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1260 | 455 | 13 | 0 | 0 | 0 | 13 | 436 | 425 | 436 | 0 | 0 | 0 | 0 | 0 | 13 | 1289 | 455 | 13 |
Best forecast wave conditions in Khánh Hoà | |||||||||||||||||||
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