Surf Forecasts:
Oceanside Harbor surf forecast from 16 Jul 2026:
- Best quality surf: Sunday 19 Jul, 8AM (local time) - 3.5ft (1.1m), 14s period, S swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 11AM (local time) - 6ft (1.8m), 14s period, S swell with 1,243 kJ wave energy.
- Next surfable swell (1★+): Saturday 18 Jul, 8PM (local time) - 2ft (0.6m), 18s period with SW swell.
Best Forecast Surf Conditions for Oceanside Harbor this week:
The surf forecast for Oceanside Harbor over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 18) at 8PM. The primary swell is predicted to be 0.6m and 18s period with a secondary swell of 0.7m and 15s. Another secondary swell of 0.7m and 12s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Oceanside Harbor in the next 16 days are 1.8m 14s and forecast to arrive on Sunday (Jul 19) at 11AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sat 18th Jul) | 2ft (0.6m) 18s |
| Best Surf | 8AM (Sun 19th Jul) | 3.5ft (1.1m) 14s |
| Most Powerful | 11AM (Sun 19th Jul) | 6ft (1.8m) 14s |
Table - best surf conditions forecast for Oceanside Harbor over the next 16 days.
The Lowdown
Hey, surfers! Rusty here, checking in on Oceanside Harbor for the next 16 days. It's a slow burn, but there's a little something brewing.
The first few days – Thursday the 16th and Friday the 17th – are flat. Tiny swell, cross-onshore wind, and the combined energy is weak (224-300). Not worth paddling out. Saturday the 18th afternoon finally shows a pulse, with a 0.8m SW swell and offshore wind, but it's still marginal. Sunday the 19th has a bit more size – 1.8m from the S – but the wind turns cross-onshore, and the energy is moderate (1300). Still not a standout.
The best bet is Monday the 24th morning. We've got a clean 1.7m S swell, 14-second period, and offshore wind from the SW at 10 km/h. The combined energy is strong at 1806, so there's plenty of power. The water temp is average for the season. The swell direction isn't perfect for this west-facing spot, but with offshore wind and that energy, it should offer some decent waves. The break is advanced and very consistent, but it's often crowded, so expect a lineup.
Tuesday the 25th morning has a slightly bigger 1.9m SSW swell and offshore wind, but it's accompanied by rain showers. The rest of the week after that sees smaller swells (1.0-1.3m) and cross-onshore winds, so nothing special. The second week is mostly small and marginal, with combined energy dropping below 1000. So, if you want to surf, aim for the 24th. It's not perfect, but it's the best you'll get.
Catch you in the water!
Short Range ForecastMostly dry. Warm (max 23°C on Thu morning, min 20°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Tue morning, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 19 | SW 19 | SW 18 | SW 15 | SW 18 | SW 18 | S 16 | S 14 | SSW 13 | SSW 13 | SSW 15 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 161 | 122 | 122 | 125 | 181 | 103 | 136 | 366 | 379 | 503 | 1243 | 1179 | 1089 | 377 | 358 | 334 | 519 | 474 | 474 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | glassy | on | cross-on | cross | on | on | glassy | on | cross-on | cross |
High Tide | 10:28PM2.45m | 12:07PM1.76m | 11:16PM2.26m | 12:48PM1.80m | 00:05AM2.01m | 1:31PM1.84m | 00:59AM1.74m | 2:15PM1.86m | 2:03AM1.48m | 3:02PM1.87m | 3:37AM1.29m | 3:53PM1.88m | |||||||
Low Tide | 5:36AM-0.01m | 5:13PM0.93m | 6:15AM0.16m | 6:12PM0.94m | 6:52AM0.36m | 7:18PM0.95m | 7:28AM0.58m | 8:36PM0.94m | 8:03AM0.79m | 10:06PM0.88m | 8:42AM0.98m | 11:35PM0.77m | |||||||
 |  | | | | | | | | | |  | | | | | | | | |
 | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | — | 7:59 | — | — | 7:59 | — | — | 7:58 | — | — | 7:58 | — | — | 7:57 | — | — | 7:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 23 | 21 | 22 | 22 | 21 | 22 | 22 | 20 | 22 | 22 | 21 | 22 | 22 | 21 | 23 | 23 | 22 |
Feels °C | 25 | 23 | 23 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 22 | 22 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 16 | W 8 | W 8 | W 10 | W 7 | W 7 | SW 15 | SW 18 | S 12 | S 16 | S 14 | SSW 13 | SSW 13 | S 12 | S 11 | SSW 10 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 161 | 54 | 63 | 71 | 40 | 25 | 136 | 366 | 150 | 503 | 1243 | 1179 | 1089 | 341 | 251 | 141 | 519 | 474 | 474 |
Swell 2 Height (m) Direction Period (s) | S 12 | SW 16 | SW 16 | SW 15 | SW 19 | SW 14 | W 7 | S 12 | SW 18 | S 13 | W 6 | W 6 | W 5 | SSW 15 | SW 16 | SSW 16 | SSW 10 | SSW 10 | W 6 |
| kJ | 73 | 122 | 122 | 107 | 181 | 103 | 14 | 69 | 379 | 321 | 12 | 11 | 13 | 377 | 358 | 334 | 77 | 52 | 30 |
Swell 3 Height (m) Direction Period (s) | W 6 | SSW 12 | SSW 12 | SW 19 | SW 14 | SW 18 | S 11 | WSW 6 | WSW 6 | SW 16 | WNW 15 | WNW 15 | WNW 15 | W 6 | SSW 13 | SW 13 | W 6 | S 8 | SW 9 |
| kJ | 12 | 48 | 47 | 125 | 74 | 83 | 39 | 12 | 12 | 91 | 45 | 43 | 21 | 16 | 69 | 134 | 16 | 22 | 41 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 4 | SSW 4 | S 3 | — | — | — | — | — | — | — | W 5 | — | — | W 6 | — |
| kJ | — | — | — | — | 5 | 4 | 1 | — | — | — | — | — | — | — | 9 | — | — | 15 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 46 | 98 | 98 | 9 | 108 | 46 | 9 | 98 | 68 | 0 | 68 | 68 | 2 | 68 | 68 | 0 | 68 | 68 | 4 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Oceanside Harbor Surf forecast
The above surf forecast table for Oceanside Harbor provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Oceanside Harbor can be found by selecting the local surf guide option on the grey menu. Our Oceanside Harbor surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Oceanside Harbor) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Oceanside Harbor may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Oceanside Harbor is 8 km (5 miles) from the city of Oceanside. If you plan a vacation in San Diego County, look for hotels and other accommodation in Oceanside. Oceanside has rooms for a wide range of budgets as well as car hire and transport links.
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