Surf Forecasts:
How big are the waves at Dark Reef today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 0.5ft (0.1m), 11s period with NE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 0.5ft (0.1m), 11s period with NE swell.
- Evening surf: Evening surf (18 Aug, local time) - 0.5ft (0.1m), 11s period with NE swell.
The current surf forecast for Dark Reef at 8AM is: 0.1m 12s primary swell from a Northeast direction (forecast issued at 12:00am August 18). An open ocean swell of 1.3m 7s is not directed at the surf break, a second open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 0.5ft (0.1m) | 11s |
| Afternoon (18 Aug) | 0.5ft (0.1m) | 11s |
| Evening (18 Aug) | 0.5ft (0.1m) | 11s |
Table - waves today at Dark Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 33°C on Thu morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 | 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 13 | NE 12 | NE 12 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 |
Wave Graph | ||||||||||||||||||||||||
6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | glassy | glassy | on | off | off | off | off | off | glassy | on | glassy | glassy | cross-off | cross-off | off | off | cross | off | off | cross-off | cross-off |
High Tide | 1:15AM1.18m | 1:43PM0.92m | 1:29AM1.26m | 3:47PM0.78m | 1:48AM1.32m | |||||||||||||||||||
Low Tide | 8:00AM0.65m | 6:29PM0.75m | 9:22AM0.58m | 5:15PM0.78m | 10:57AM0.50m | |||||||||||||||||||
— | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | |
— | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 29 | 30 | 31 | 30 | 30 | 28 | 28 | 28 | 28 | 30 | 31 | 32 | 30 | 28 | 28 | 27 | 28 | 31 | 33 | 32 | 30 | 28 |
Feels °C | 32 | 30 | 32 | 34 | 35 | 34 | 33 | 30 | 32 | 31 | 31 | 34 | 32 | 36 | 34 | 30 | 30 | 29 | 30 | 34 | 36 | 33 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 | S 7 | S 7 | S 8 | S 8 | NE 10 | NE 10 | NE 10 | N 9 |
178 | 168 | 178 | 223 | 201 | 201 | 233 | 227 | 183 | 147 | 152 | 127 | 131 | 187 | 291 | 253 | 209 | 173 | 217 | 266 | 4 | 4 | 4 | 2 | |
Swell 2 Height (m) Direction Period (s) | NE 13 | NE 12 | NE 12 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | — | — | — | NE 10 |
6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | — | — | — | 4 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NE 11 | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | — | SSW 7 | — | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | S 7 |
337 | 276 | 456 | 464 | 434 | 324 | 572 | 292 | 245 | 344 | — | 261 | — | 308 | 712 | 437 | 387 | 238 | 385 | 460 | 323 | 620 | 658 | 358 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 677 | 677 | 677 | 699 | 1289 | 677 | 699 | 677 | 677 | 677 | 677 | 677 | 677 | 677 | 677 | 677 | 677 | 677 | 677 | 677 | 728 | 728 | 169 | 307 |
Best forecast wave conditions in Khánh Hoà | ||||||||||||||||||||||||
Best forecast wave conditions in Vietnam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













