Surf Forecasts:
How big are the waves at Port St Johns today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 4.5ft (1.3m), 10s period with E swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7ft (2.2m), 8s period with SSE swell.
- Evening surf: Evening surf (17 Sep, local time) - 7ft (2.2m), 9s period with E swell.
The current surf forecast for Port St Johns at 1PM is: 2.2m 8s primary swell from a South-southeast direction and 1.5m 10s secondary swell from a East direction, 0.4m 14s secondary swell from a South-southwest direction (forecast issued at 07:00am September 17). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4.5ft (1.3m) | 10s |
| Afternoon (17 Sep) | 7ft (2.2m) | 8s |
| Evening (17 Sep) | 7ft (2.2m) | 9s |
Table - waves today at Port St Johns. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 65mm), heaviest during Thu morning. Warm (max 20°C on Sat afternoon, min 15°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||||||||
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) | E 10 | E 10 | SSE 7 | SSE 8 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 360 | 302 | 565 | 539 | 683 | 800 | 1217 | 1133 | 1195 | 780 | 836 | 747 | 656 | 818 | 917 | 885 | 800 | 707 | 623 | 623 | 548 | 471 | 509 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off |
High Tide | 6:23AM1.30m | 6:36PM1.29m | 6:48AM1.15m | 7:03PM1.13m | 7:22AM1.00m | 7:54PM0.98m | |||||||||||||||||
Low Tide | 12:26PM0.43m | 00:48AM0.51m | 12:53PM0.58m | 1:25AM0.66m | 1:33PM0.74m | ||||||||||||||||||
 |  |  | |  | | |  | | | | | | | | |  |  | | |  | | | |
 | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | 2 | 7 | 12 | 8 | 5 | 4 | 4 | 6 | 3 | 5 | 2 | 4 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 19 | 20 | 19 | 18 | 18 |
Feels °C | 13 | 14 | 13 | 13 | 11 | 11 | 13 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 17 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | S 7 | E 10 | E 10 | E 10 | E 9 | S 8 | E 9 | E 9 | E 9 | SSE 8 | SSE 8 | E 9 | E 9 | E 9 | SSW 12 | SSW 11 | SSW 15 | E 9 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | E 8 |
| kJ | 161 | 302 | 346 | 484 | 683 | 308 | 836 | 830 | 700 | 232 | 173 | 747 | 656 | 656 | 90 | 73 | 249 | 707 | 82 | 136 | 73 | 98 | 400 |
Swell 2 Height (m) Direction Period (s) | E 10 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 | SSE 8 | S 8 | S 8 | SSW 12 | SSW 11 | SSE 8 | SSE 8 | SSE 8 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 11 | — | S 10 | — | SSW 13 |
| kJ | 360 | 50 | 48 | 99 | 134 | 158 | 341 | 257 | 294 | 123 | 115 | 173 | 143 | 120 | 91 | 88 | 279 | 121 | 45 | — | 17 | — | 65 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 11 | SW 14 | SW 9 | — | — | SSW 13 | SSW 12 | SSW 12 | — | — | SSW 11 | SSW 12 | SSW 12 | — | — | — | SSW 11 | — | — | — | — | — |
| kJ | 53 | 5 | 189 | 120 | — | — | 147 | 133 | 129 | — | — | 85 | 123 | 125 | — | — | — | 46 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | S 7 | SSE 7 | SSE 8 | S 8 | E 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | — | — | E 9 | ESE 9 | E 9 | E 9 | — | E 9 | E 9 | E 9 | E 9 | ENE 8 |
| kJ | 305 | 240 | 565 | 539 | 337 | 800 | 1217 | 1133 | 1195 | 780 | 836 | — | — | 818 | 917 | 885 | 800 | — | 623 | 623 | 548 | 471 | 509 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 23 | 190 | 140 | 243 | 302 | 398 | 672 | 674 | 672 | 686 | 190 | 190 | 190 | 243 | 241 | 241 | 23 | 135 | 241 | 686 | 241 | 213 | 0 |
Best forecast wave conditions in Eastern Cape - Wild Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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