
Surf Forecasts:
Oceanside Harbor surf forecast from 6 Aug 2026:
- Best quality surf: Saturday 8 Aug, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Sunday 9 Aug, 2AM (local time) - 3.5ft (1.0m), 16s period, SSW swell with 481 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 11PM (local time) - 1.5ft (0.4m), 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 Thursday (Aug 06) at 11PM. The primary swell is predicted to be 0.5m and 13s period with a secondary swell of 0.4m and 18s. 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 1.0m 16s and forecast to arrive on Sunday (Aug 09) at 2AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 6th Aug) | 1.5ft (0.4m) 18s |
| Best Surf | 5AM (Sat 8th Aug) | 3ft (0.9m) 18s |
| Most Powerful | 2AM (Sun 9th Aug) | 3.5ft (1.0m) 16s |
Table - best surf conditions forecast for Oceanside Harbor over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cookin’ for the Oceanside Harbor area.
Straight up, I gotta be honest with you – the next 16 days are a real struggle. We’re looking at a long, dry spell with barely a whisper of decent surf. The first actual day with anything worth mentioning is Sunday the 9th, and even then it’s a real marginal call. We’ve got about a week and a half of frustratingly small, weak, and poorly-shaped waves before that.
The whole run is dominated by light to gentle breezes, mostly from the SW or WSW, which keeps things a bit rough around the edges. The swell is coming from the SSW, but it’s tiny. For the first week, we’re looking at waves around 2ft to 3ft. The combined energy of all swells is mostly in the 200s to 400s (moderate energy), but it’s just not doing the job. The period is long, ranging from 13 to 19 seconds – that’s a groundswell – but it’s so small it’s not breaking with any punch. A long period swell like this needs a better setup, and at a beach/jetty spot like Oceanside Harbor, it’s just going to be too straight and weak.
The water temp is a scorching 76°F, which is a massive 9°F warmer than normal for this time of year. That’s very unusual, so you can leave the wetsuit at home, but don’t expect any waves to go with it.
The best of a bad bunch is looking like Sunday the 14th and Monday the 15th. On Sunday the 14th morning, we get a 2ft SSW swell with a 18-second period, and the combined energy jumps to 626 (moderate). The wind is light and from the WSW, coming straight onshore. It’s still marginal, but it’s the most energy we’ve seen. By Monday the 15th morning, the swell bumps up to 3ft from the SSW with a 16-second period and energy at 633. Again, the wind is light WSW, straight onshore. Look, it’s a long shot. The waves are small, the wind is onshore, and the break is a beach/jetty. This is more of a "maybe there’s a tiny, clean-faced wave if you’re desperate" situation. There’s nothing here that I’d call a standout.
After that, it just fades back into the same old pattern of tiny, poor surf. The whole 16-day run is a bust for any real quality. If you’re a kitesurfer, the consistent cross-onshore winds and small, choppy conditions might look more interesting than it does for us paddle surfers.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Sat afternoon, min 20°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Sun morning, min 21°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
AM | PM | 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 13 | SSW 13 | SSW 18 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 20 | SW 19 | SSW 13 | SW 18 | SW 18 | SSW 17 | SW 16 | SW 16 |
Wave Graph | |||||||||||||||||||||
113 | 114 | 126 | 329 | 243 | 348 | 344 | 295 | 481 | 309 | 305 | 301 | 207 | 186 | 184 | 131 | 252 | 316 | 195 | 264 | 306 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | glassy | on | cross-on | glassy | on | on | glassy | on | on | glassy | on | on | glassy |
High Tide | 3:37PM2.01m | 6:47AM1.26m | 4:52PM2.11m | 7:50AM1.38m | 6:02PM2.23m | 8:30AM1.50m | 7:02PM2.36m | 9:05AM1.60m | 7:56PM2.46m | 9:39AM1.70m | 8:45PM2.49m | 10:13AM1.79m | 9:31PM2.43m | ||||||||
Low Tide | 8:03AM1.09m | 11:46PM0.55m | 9:34AM1.20m | 00:52AM0.34m | 11:21AM1.22m | 1:44AM0.15m | 12:40PM1.15m | 2:29AM0.02m | 1:40PM1.04m | 3:10AM-0.06m | 2:33PM0.92m | 3:49AM-0.05m | 3:23PM0.82m | 4:24AM0.03m | |||||||
6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | |
— | 7:44 | — | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — | — | 7:38 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 21 | 23 | 23 | 22 | 24 | 25 | 23 | 24 | 24 | 22 | 24 | 24 | 22 | 24 | 24 | 22 | 23 | 23 | 21 |
Feels °C | 24 | 22 | 23 | 23 | 22 | 23 | 24 | 24 | 25 | 25 | 24 | 23 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SSW 13 | SW 13 | SSW 19 | SSW 13 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 18 | SSW 17 | SW 16 | SW 16 |
113 | 114 | 84 | 329 | 111 | 348 | 344 | 295 | 481 | 309 | 305 | 301 | 207 | 139 | 137 | 131 | 252 | 316 | 195 | 264 | 306 | |
Swell 2 Height (m) Direction Period (s) | W 4 | SSW 20 | SSW 18 | SSW 13 | SSW 19 | SW 12 | SSW 12 | SW 12 | SSW 12 | W 4 | SW 11 | SW 11 | SW 20 | SW 20 | SW 19 | SW 15 | S 12 | SSW 12 | SSW 12 | SW 13 | S 12 |
3 | 79 | 126 | 114 | 243 | 124 | 94 | 114 | 83 | 3 | 30 | 42 | 106 | 186 | 184 | 75 | 73 | 46 | 44 | 61 | 44 | |
Swell 3 Height (m) Direction Period (s) | S 12 | W 13 | W 4 | W 4 | W 12 | W 15 | W 14 | W 12 | W 4 | W 13 | SW 21 | SW 21 | W 12 | SW 16 | W 12 | SW 18 | SW 14 | SW 13 | SW 13 | SSW 11 | SSW 11 |
25 | 3 | 3 | 3 | 3 | 4 | 4 | 11 | 6 | 13 | 72 | 71 | 3 | 39 | 25 | 51 | 103 | 44 | 44 | 40 | 22 | |
Wind waves Height (m) Direction Period (s) | — | W 5 | — | — | W 4 | — | W 4 | — | — | — | W 4 | — | WSW 4 | — | — | — | — | — | — | — | — |
— | 7 | — | — | 4 | — | 3 | — | — | — | 4 | — | 1 | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 68 | 68 | 0 | 68 | 68 | 0 | 68 | 68 | 0 | 68 | 68 | 0 | 98 | 68 | 0 | 108 | 108 | 0 | 108 | 68 | 0 |
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.











