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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 10 pm Sunday 17 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: 1.2m 9s primary swell from a West direction and 0.5m 13s secondary swell from a South-southwest direction (forecast issued at 10:00pm May 17). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4ft (1.2m) | 8s |
| Afternoon (18 May) | 3ft (0.9m) | 8s |
| Evening (18 May) | 1.5ft (0.4m) | 15s |
Table - waves today at Oceanside Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Tue morning, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
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 | 2 PM | 5 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
W 9 | W 9 | W 10 | W 10 | W 8 | W 8 | WSW 8 | WSW 8 | S 15 | S 15 | S 15 | SSW 12 | SW 17 | SW 24 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 21 | SW 21 | SW 16 | SW 16 | SW 15 | |
168 | 220 | 260 | 257 | 176 | 138 | 94 | 77 | 68 | 68 | 68 | 49 | 70 | 92 | 95 | 94 | 93 | 93 | 91 | 224 | 224 | 124 | 121 | 116 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross | on | on | on | on | glassy | glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | on | |
High Tide | 9:54PM2.54m | 12:00PM1.54m | 10:43PM2.47m | 1:07PM1.51m | 11:36PM2.33m | 2:20PM1.52m | ||||||||||||||||||
Low Tide | 5:20AM-0.07m | 4:18PM1.10m | 6:17AM-0.01m | 5:12PM1.18m | 7:17AM0.10m | |||||||||||||||||||
 |  | | |  |  | | |  | | | | | | | | | | | | | | | | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — |
 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 16 | 16 | 16 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 17 | 19 | 19 | 19 | 17 | 17 | 16 | 16 | 17 | 19 | 19 | 19 |
15 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 17 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 18 | 17 | 16 | 17 | 18 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 10 | W 10 | W 8 | W 8 | WSW 8 | WSW 8 | W 7 | W 7 | W 7 | W 7 | W 6 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 21 | SW 21 | SW 16 | SW 16 | SW 15 |
 kJ | 168 | 220 | 260 | 257 | 176 | 138 | 94 | 77 | 52 | 48 | 34 | 22 | 21 | 92 | 90 | 90 | 90 | 90 | 90 | 224 | 224 | 124 | 121 | 116 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | W 13 | SSW 13 | SSW 12 | SSW 15 | SSW 12 | S 15 | S 15 | S 15 | SSW 12 | S 14 | SW 16 | SW 16 | SW 16 | SW 16 | W 6 | W 6 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 137 | 99 | 98 | 85 | 55 | 52 | 72 | 50 | 68 | 68 | 68 | 49 | 65 | 69 | 95 | 94 | 93 | 18 | 12 | 58 | 57 | 50 | 50 | 49 |
Swell 3 Height (m) Direction Period (s) | W 13 | S 16 | S 16 | SSW 13 | S 16 | S 16 | WNW 12 | S 15 | SSW 12 | SSW 12 | SSW 12 | S 15 | SW 17 | SW 24 | WNW 11 | WNW 11 | W 6 | SW 16 | SW 16 | W 11 | SW 16 | SW 21 | S 16 | S 16 |
| kJ | 81 | 46 | 81 | 98 | 46 | 46 | 50 | 68 | 49 | 48 | 48 | 38 | 70 | 87 | 12 | 12 | 6 | 93 | 91 | 38 | 90 | 72 | 19 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | W 6 | W 6 | W 3 | — | — | — | — | W 6 | W 14 | W 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 18 | 16 | 2 | — | — | — | — | 6 | 57 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 108 | 256 | 108 | 46 | 108 | 9 | 9 | 108 | 116 | 116 | 47 | 0 | 0 | 0 | 12 | 68 | 68 | 68 | 68 | 0 | 0 | 0 | 7 | 68 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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