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Oceanside Harbor Surf Forecast
/ CAL – San Diego County (71 breaks) / California (404 breaks) /
Surf Forecasts:
Oceanside Harbor surfForecast / CAL – San Diego County / USA
48hr Weather and Surf, issued 4 pm Monday 18 May 2026 PDTForecast update in hr min s Forecast update imminent
Oceanside Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Oceanside Harbor sea temperature is
19.0° C
(Which is 2.7°C warmer than normal for this time of year)How big are the waves at Oceanside Harbor today?
The current surf forecast for Oceanside Harbor at 1AM is: 0.4m 15s primary swell from a South direction and 0.6m 7s secondary swell from a West direction (forecast issued at 04:00pm May 18). The wind direction is predicted to be glassy.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 1.5ft (0.4m) | 16s |
| Afternoon (19 May) | 1.5ft (0.5m) | 13s |
| Evening (19 May) | 1.5ft (0.5m) | 13s |
Table - waves today at Oceanside Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
W 7 | S 15 | S 15 | S 15 | S 15 | SSW 12 | SW 16 | SW 24 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 21 | SW 21 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 19 | SW 19 | SW 19 | SW 19 | |
88 | 70 | 68 | 68 | 68 | 49 | 69 | 96 | 95 | 94 | 93 | 93 | 91 | 224 | 224 | 124 | 121 | 149 | 112 | 109 | 133 | 303 | 303 | 184 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | on | |
High Tide | 12:00PM1.54m | 10:43PM2.47m | 1:07PM1.51m | 11:36PM2.33m | 2:20PM1.52m | 00:36AM2.15m | ||||||||||||||||||
Low Tide | 4:18PM1.10m | 6:17AM-0.01m | 5:12PM1.18m | 7:17AM0.10m | 6:22PM1.25m | 8:19AM0.22m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — |
 | — | 7:44 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | 7:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 16 | 16 | 16 | 16 | 17 | 19 | 19 | 20 | 18 | 17 | 17 | 17 | 18 | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 17 | 19 |
15 | 15 | 15 | 17 | 16 | 16 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 18 | 17 | 17 | 16 | 16 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | S 13 | S 13 | S 13 | S 13 | W 6 | W 4 | W 4 | SW 21 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 19 | SW 19 | S 14 |
 kJ | 72 | 70 | 51 | 48 | 34 | 32 | 21 | 92 | 90 | 90 | 90 | 18 | 9 | 9 | 224 | 124 | 121 | 149 | 112 | 109 | 109 | 303 | 303 | 107 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | SSW 12 | S 15 | S 15 | S 15 | SSW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 13 | S 13 | SW 21 | W 14 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | WSW 5 | W 5 | SW 15 | SW 15 |
| kJ | 50 | 49 | 68 | 68 | 68 | 49 | 69 | 96 | 95 | 94 | 93 | 90 | 90 | 224 | 65 | 50 | 50 | 49 | 49 | 50 | 7 | 13 | 107 | 106 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | S 15 | SSW 12 | SSW 12 | SSW 12 | S 15 | S 14 | SW 24 | W 11 | W 11 | W 11 | SW 16 | SW 16 | SSW 13 | SW 16 | W 6 | S 16 | S 16 | W 5 | W 4 | SW 19 | SW 15 | W 5 | SW 19 |
| kJ | 27 | 68 | 49 | 48 | 48 | 38 | 37 | 87 | 10 | 9 | 9 | 93 | 91 | 58 | 90 | 10 | 19 | 19 | 5 | 6 | 133 | 107 | 13 | 184 |
Wind waves Height (m) Direction Period (s) | W 7 | — | — | — | — | — | — | W 6 | W 6 | W 6 | W 6 | — | — | — | — | — | W 5 | W 5 | — | — | — | — | — | — |
| kJ | 88 | — | — | — | — | — | — | 20 | 25 | 25 | 18 | — | — | — | — | — | 9 | 8 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 184 | 116 | 68 | 0 | 0 | 0 | 0 | 68 | 307 | 68 | 32 | 0 | 0 | 0 | 0 | 68 | 68 | 68 | 116 | 46 | 46 | 9 | 17 | 68 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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