Surf Forecasts:
How big are the waves at San Francisco today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 1.5ft (0.4m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1ft (0.3m), 8s period with SE swell.
- Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 4s period with E swell.
The current surf forecast for San Francisco at 11AM is: 0.4m 8s primary swell from a Southeast direction and 0.1m 13s secondary swell from a South direction (forecast issued at 08:00am September 18). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 1.5ft (0.4m) | 9s |
| Afternoon (18 Sep) | 1ft (0.3m) | 8s |
| Evening (18 Sep) | 2ft (0.6m) | 4s |
Table - waves today at San Francisco. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun night. Warm (max 21°C on Fri afternoon, min 12°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 9 | SSE 9 | SE 8 | SE 8 | SSE 8 | E 4 | S 12 | E 5 | ENE 5 | ENE 5 | E 5 | E 4 | E 5 | E 5 | E 6 | E 6 | E 6 | ENE 7 | E 7 | E 8 | E 8 | E 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 25 | 25 | 18 | 9 | 6 | 11 | 14 | 11 | 7 | 13 | 12 | 6 | 20 | 33 | 41 | 37 | 37 | 139 | 33 | 44 | 49 | 39 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross-off | cross | cross-off | cross | cross | cross-off | cross-off | cross | glassy | cross |
High Tide | 3:02AM0.17m | 1:19PM0.25m | 4:59AM0.17m | 2:18PM0.24m | 5:21AM0.18m | 3:39PM0.23m | ||||||||||||||||
Low Tide | 4:01AM0.17m | 9:44PM0.09m | 5:53AM0.17m | 10:17PM0.10m | 8:06AM0.17m | |||||||||||||||||
 |  |  |  | |  | | |  | | | | | | | | | | | | | | |
 | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — |
 | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 19 | 21 | 20 | 17 | 15 | 14 | 14 | 15 | 19 | 20 | 19 | 15 | 16 | 15 | 15 | 15 | 17 | 18 | 17 | 15 |
Feels °C | 13 | 13 | 16 | 18 | 18 | 15 | 12 | 12 | 12 | 13 | 17 | 18 | 17 | 13 | 13 | 13 | 14 | 14 | 17 | 18 | 18 | 10 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SE 8 | SE 8 | SSE 8 | SE 8 | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 8 | E 6 | E 7 | E 8 | E 8 | E 9 |
| kJ | 25 | 25 | 18 | 9 | 6 | 3 | 11 | 2 | 2 | 2 | 2 | 2 | 7 | 7 | 6 | 6 | 6 | 34 | 33 | 44 | 49 | 39 |
Swell 2 Height (m) Direction Period (s) | E 4 | — | S 13 | S 8 | S 9 | S 12 | S 8 | S 8 | S 8 | E 10 | S 12 | S 12 | E 10 | — | — | — | S 10 | S 8 | S 9 | S 9 | S 9 | ESE 11 |
| kJ | 1 | — | 3 | 6 | 2 | 3 | 1 | 1 | 1 | 2 | 3 | 3 | 2 | — | — | — | 2 | 5 | 6 | 6 | 6 | 12 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | E 11 | S 13 | S 12 | S 9 | E 11 | E 11 | E 11 | S 8 | E 10 | E 10 | S 12 | — | — | — | — | — | — | S 7 | S 12 | S 8 |
| kJ | 4 | 3 | 2 | 3 | 3 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 3 | — | — | — | — | — | — | 4 | 3 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 4 | — | E 3 | E 4 | E 4 | E 5 | ENE 5 | ENE 5 | E 5 | E 4 | E 5 | E 5 | E 6 | E 6 | E 6 | ENE 7 | — | — | — | WSW 2 |
| kJ | — | — | 1 | — | 3 | 11 | 14 | 11 | 7 | 13 | 12 | 6 | 20 | 33 | 41 | 37 | 37 | 139 | — | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 2 | 30 | 37 | 98 | 1047 | 969 | 957 | 957 | 452 | 421 | 261 | 957 | 969 | 1489 | 1487 | 1229 | 510 | 1108 | 43 | 28 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||||
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