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40th Street Surf Forecast
/ CAL – Orange County (51 breaks) / California (404 breaks) /
Surf Forecasts:
40th Street surfForecast / CAL – Orange County / USA
48hr Weather and Surf, issued 4 am Monday 18 May 2026 PDTForecast update in hr min s Forecast update imminent
40th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 40th Street sea temperature is
17.6° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at 40th Street today?
The current surf forecast for 40th Street at 7AM is: 1.0m 8s primary swell from a West direction and 0.5m 13s secondary swell from a West direction (forecast issued at 04:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3ft (0.9m) | 7s |
| Afternoon (18 May) | 2.5ft (0.7m) | 7s |
| Evening (18 May) | 1.5ft (0.4m) | 15s |
Table - waves today at 40th Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Tue morning, min 16°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 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 |    |    |    | |||||||||||||||||||||
W 8 | W 8 | W 13 | W 7 | WSW 8 | WSW 7 | S 15 | S 15 | S 15 | S 15 | SW 17 | SSW 14 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 21 | SW 21 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | |
169 | 149 | 88 | 70 | 75 | 55 | 68 | 68 | 68 | 38 | 43 | 62 | 69 | 68 | 67 | 66 | 66 | 162 | 117 | 89 | 87 | 116 | 112 | 109 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | on | cross-on | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | on | on | on | cross-on | cross-on | |
High Tide | 11:58AM1.06m | 10:39PM1.96m | 1:04PM1.04m | 11:31PM1.83m | 2:16PM1.05m | |||||||||||||||||||
Low Tide | 5:26AM-0.50m | 4:25PM0.63m | 6:21AM-0.45m | 5:19PM0.71m | 7:20AM-0.35m | 6:28PM0.78m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | | | | | | | | | |  | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:47 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 17 | 20 | 20 | 20 | 19 | 17 | 17 | 16 | 17 | 19 | 19 | 19 | 18 | 18 |
14 | 14 | 15 | 16 | 15 | 14 | 15 | 15 | 17 | 16 | 16 | 18 | 17 | 17 | 17 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 7 | W 7 | WSW 8 | WSW 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | SSW 13 | SSW 13 | SSW 13 | W 4 | W 4 | WSW 4 | SW 21 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 |
 kJ | 169 | 149 | 88 | 70 | 75 | 55 | 49 | 35 | 33 | 21 | 19 | 16 | 59 | 59 | 59 | 11 | 9 | 5 | 117 | 89 | 87 | 116 | 112 | 109 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | W 13 | W 13 | WNW 12 | WNW 12 | SSW 12 | S 15 | S 15 | S 15 | S 15 | S 15 | SSW 14 | SW 16 | SW 16 | SW 16 | SSW 13 | SSW 13 | SW 21 | S 13 | S 12 | SSW 12 | SSW 12 | W 5 | WSW 4 |
| kJ | 57 | 85 | 84 | 51 | 30 | 29 | 68 | 68 | 68 | 38 | 38 | 62 | 69 | 68 | 67 | 59 | 59 | 162 | 54 | 49 | 49 | 49 | 8 | 5 |
Swell 3 Height (m) Direction Period (s) | WNW 13 | SSW 13 | SSW 13 | SSW 12 | S 15 | S 15 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 17 | SW 17 | SW 24 | W 11 | W 6 | SW 16 | SW 16 | S 13 | WSW 4 | W 5 | W 5 | S 16 | SSW 12 | S 12 |
| kJ | 60 | 57 | 55 | 52 | 42 | 39 | 29 | 29 | 28 | 28 | 43 | 43 | 22 | 2 | 7 | 66 | 66 | 55 | 5 | 5 | 4 | 19 | 49 | 47 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | W 6 | W 4 | — | — | — | — | — | — | W 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 25 | 7 | — | — | — | — | — | — | 4 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 115 | 47 | 47 | 47 | 45 | 47 | 175 | 172 | 88 | 17 | 0 | 0 | 2 | 124 | 175 | 165 | 74 | 39 | 29 | 0 | 0 | 48 | 173 | 88 |
Best forecast wave conditions in Orange County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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