Surf Forecasts:
How big are the waves at San Mateo today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 2ft (0.6m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (30 Sep, local time) - 2.5ft (0.7m), 15s period with SW swell.
The current surf forecast for San Mateo at 7PM is: 0.7m 15s primary swell from a Southwest direction and 0.5m 12s secondary swell from a Northwest direction, 1.0m 6s secondary swell from a South-southwest direction (forecast issued at 12:00pm September 30). The wind direction is predicted to be cross-shore.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 2ft (0.6m) | 16s |
| Afternoon (30 Sep) | 2.5ft (0.7m) | 16s |
| Evening (30 Sep) | 2.5ft (0.7m) | 15s |
Table - waves today at San Mateo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 25°C on Wed afternoon). Wind will be generally light. | |||||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | |||||||||||||||||||
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) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 7 | SW 15 | SW 15 | SW 15 | SW 14 | SW 8 | SW 8 | SW 18 | SW 18 | SW 14 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 165 | 163 | 239 | 215 | 215 | 215 | 75 | 181 | 215 | 134 | 128 | 94 | 102 | 111 | 109 | 121 | 297 | 227 | 163 | 161 | 161 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:10PM2.50m | 6:21AM2.53m | 6:57PM2.39m | 7:09AM2.38m | 7:52PM2.25m | ||||||||||||||||
Low Tide | 11:56AM0.11m | 00:13AM0.37m | 12:40PM0.20m | 1:01AM0.50m | 1:31PM0.34m | ||||||||||||||||
 |  | |  | |  | | |  | | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 25 |
Feels °C | 27 | 27 | 27 | 25 | 25 | 26 | 27 | 27 | 28 | 27 | 26 | 26 | 27 | 27 | 27 | 26 | 27 | 29 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SSW 15 | SW 15 | SW 15 | WNW 12 | WNW 12 | WNW 12 | SW 8 | WNW 12 | SW 8 | WNW 11 | SW 8 | SSW 8 | SW 8 | SSW 8 | SW 8 |
| kJ | 165 | 163 | 239 | 215 | 215 | 215 | 156 | 181 | 215 | 98 | 94 | 94 | 86 | 94 | 64 | 82 | 65 | 56 | 65 | 58 | 53 |
Swell 2 Height (m) Direction Period (s) | SW 13 | WNW 11 | WNW 12 | NW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | SW 15 | SW 14 | SW 14 | WNW 12 | SW 18 | WNW 12 | SW 14 | SW 17 | SW 17 | SW 16 | WNW 11 | SW 16 |
| kJ | 43 | 46 | 54 | 69 | 94 | 99 | 45 | 45 | 45 | 134 | 128 | 66 | 94 | 111 | 88 | 121 | 297 | 227 | 163 | 81 | 161 |
Swell 3 Height (m) Direction Period (s) | SW 10 | NW 13 | SW 10 | SW 9 | SW 10 | SW 20 | NW 13 | NW 13 | NW 13 | SW 18 | SW 18 | SW 15 | SW 14 | SSW 14 | SW 18 | SW 18 | WNW 11 | WNW 11 | WNW 11 | SW 16 | WNW 11 |
| kJ | 24 | 40 | 14 | 14 | 14 | 60 | 43 | 44 | 44 | 84 | 113 | 54 | 102 | 80 | 109 | 111 | 82 | 82 | 81 | 161 | 79 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 7 | SW 7 | SW 8 | SSW 8 | SSW 8 | SW 8 | — | SW 8 | — | SSW 8 | — | W 4 | — | — | — |
| kJ | 68 | 68 | 75 | 75 | 65 | 69 | 75 | 77 | 82 | 101 | 103 | 86 | — | 88 | — | 82 | — | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 181 | 139 | 1054 | 139 | 674 | 139 | 7 | 7 | 139 | 1147 | 766 | 139 | 111 | 7 | 7 | 7 | 11 | 139 | 139 | 139 | 139 |
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