Surf Forecasts:
How big are the waves at Third Reef today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.8m), 15s period with SSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Third Reef at 10AM is: 0.7m 14s primary swell from a South-southwest direction and 0.4m 17s secondary swell from a South-southwest direction, 0.9m 7s secondary swell from a Northwest direction (forecast issued at 04:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.7m) | 14s |
| Afternoon (18 Aug) | 2.5ft (0.8m) | 15s |
| Evening (18 Aug) | 3ft (0.9m) | 16s |
Table - waves today at Third Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Tue afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NW 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 334 | 272 | 180 | 178 | 239 | 318 | 362 | 402 | 291 | 288 | 396 | 270 | 305 | 305 | 309 | 314 | 314 | 309 | 242 | 233 | 223 | 226 | 229 | 233 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | glassy | glassy |
High Tide | 4:06AM1.35m | 3:58PM1.78m | 5:19AM1.21m | 4:39PM1.74m | 6:54AM1.14m | 5:29PM1.71m | ||||||||||||||||||
Low Tide | 9:32AM0.66m | 11:05PM0.34m | 10:11AM0.83m | 00:11AM0.32m | 10:57AM0.96m | |||||||||||||||||||
 | |  |  | | | |  |  | | | | | | | | | | | | | |  | | |
 | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:08 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 16 | 16 | 16 | 14 | 14 | 13 | 13 | 15 | 16 | 15 | 15 | 13 | 15 |
Feels °C | 12 | 13 | 14 | 13 | 14 | 16 | 15 | 14 | 12 | 13 | 14 | 13 | 14 | 15 | 13 | 13 | 12 | 11 | 14 | 14 | 13 | 15 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | NW 7 | NW 7 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NW 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | NW 7 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 334 | 63 | 63 | 178 | 239 | 318 | 362 | 402 | 291 | 288 | 174 | 270 | 305 | 305 | 309 | 314 | 314 | 65 | 196 | 189 | 176 | 170 | 167 | 121 |
Swell 2 Height (m) Direction Period (s) | NW 7 | SSW 15 | SSW 14 | SSW 17 | WNW 8 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | NW 7 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 65 | 272 | 180 | 100 | 20 | 71 | 80 | 104 | 101 | 129 | 119 | 157 | 169 | 156 | 148 | 189 | 196 | 196 | 54 | 233 | 223 | 226 | 229 | 233 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | SSW 18 | WNW 8 | WNW 15 | S 10 | S 10 | S 10 | SSW 13 | SSW 13 | SSW 16 | SW 20 | SW 21 | SW 21 | SW 21 | S 9 | — | SSW 15 | SSW 15 | SW 19 | SW 19 | SW 19 | SW 19 | WNW 14 |
| kJ | 22 | 22 | 103 | 20 | 43 | 2 | 2 | 2 | 98 | 65 | 220 | 16 | 17 | 18 | 18 | 2 | — | 309 | 242 | 54 | 57 | 58 | 59 | 20 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 |
| kJ | 131 | 128 | 144 | 73 | 106 | 159 | 143 | 99 | 91 | 127 | 396 | 183 | 221 | 231 | 169 | 99 | 69 | 155 | 120 | 47 | 82 | 102 | 75 | 36 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 0 | 191 | 195 | 3 | 3 | 0 | 3 | 3 | 3 | 195 | 195 | 3 | 3 | 0 | 0 | 0 | 3 | 211 | 195 | 3 | 0 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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