Surf Forecasts:
Oceanside Harbor surf forecast from 31 Jul 2026:
- Best quality surf: Friday 31 Jul, 11PM (local time) - 2.5ft (0.8m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Friday 31 Jul, 11AM (local time) - 4ft (1.2m), 14s period, SSW swell with 588 kJ wave energy.
- Next surfable swell (1★+): Friday 31 Jul, 11PM (local time) - 2.5ft (0.8m), 14s period with SSW 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 Friday (Jul 31) at 11PM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.8m and 11s. 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 1.2m 14s and forecast to arrive on Friday (Jul 31) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 9s period and expected on Friday (Jul 31) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 31st Jul) | 2.5ft (0.8m) 14s |
| Best Surf | 11PM (Fri 31st Jul) | 2.5ft (0.8m) 14s |
| Most Powerful | 11AM (Fri 31st Jul) | 4ft (1.2m) 14s |
Table - best surf conditions forecast for Oceanside Harbor over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be real about what’s on the table for the next couple of weeks. I’ve looked at what’s coming in, and I gotta say, it’s a pretty grim stretch for Oceanside Harbor. The models are showing a long, flat spell where the conditions just don't line up for a proper paddle session. We’re looking at a solid gap starting now and running almost all the way through the period.
The first flicker of something rideable shows up on Friday, July 31st. We’ve got a 4ft SSW swell rolling in with a 14-second period, so there’s some decent energy in the water (combined energy of 602). But the wind is from the W at 6 mph, blowing cross-on, which is going to put a bit of a wind ripple on the face. The wave comment says it’s marginal, and honestly, that’s a fair call. The afternoon drops to 3ft and the wind picks up, making it choppier. If you’re a confident advanced surfer, you might find a few, but it’s not a session for the crowd.
After that, it turns into a desert. From Saturday, August 1st, all the way through to August 15th, the scores are flat zero across the board. The swell height is tiny, mostly below 3ft, and the wind is consistently onshore or cross-onshore, messing up any chance of a clean wave. The breaks are a beach/jetty setup, so it’s not going to hold any of that weak energy. It’s poor surf, plain and simple. This is a rare blank run for this area, but it happens.
The absolute best on offer, and I’m stretching here, is still the first window on Friday, July 31st morning. It’s the only day with any life. The 4ft swell from the SSW is the biggest we’ll see, and the period of 14 seconds gives it some push. The wind is a light cross-on, so it’s not unsurfable, but it’s not clean. Because it’s a jetty, it might line up a little better than a straight beach. Still, the crowds could be a problem as it’s the only game in town. The water temp is about average for the time of year, nothing weird to report.
Given the lack of quality and the persistent onshore breeze, this setup honestly looks more interesting for kite surfing than paddle surfing for the vast majority of the forecast. The combined energy isn't even hitting the moderate range after the first day.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 25°C on Sat afternoon, min 19°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Mon morning, min 21°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||
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) | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 674 | 588 | 322 | 261 | 173 | 289 | 119 | 91 | 88 | 83 | 82 | 91 | 91 | 84 | 77 | 75 | 162 | 127 | 125 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | glassy | on | on | glassy | on | on | glassy | on | on | cross-on | on | on | glassy | on | cross-on | cross |
High Tide | 10:10PM2.18m | 11:34AM1.68m | 10:43PM2.07m | 12:00PM1.73m | 11:19PM1.91m | 12:28PM1.79m | 00:00AM1.72m | 1:00PM1.85m | 00:51AM1.51m | 1:39PM1.90m | 2:08AM1.31m | 2:31PM1.95m | 4:24AM1.20m | ||||||
Low Tide | 5:09AM0.27m | 4:43PM0.97m | 5:34AM0.36m | 5:26PM0.95m | 5:58AM0.49m | 6:16PM0.93m | 6:22AM0.63m | 7:18PM0.90m | 6:48AM0.78m | 8:38PM0.85m | 7:19AM0.94m | 10:16PM0.74m | |||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | — | 7:50 | — | — | 7:49 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 23 | 24 | 22 | 24 | 25 | 23 | 24 | 24 | 23 | 24 | 24 | 22 | 23 | 23 | 21 | 23 | 24 | 22 |
Feels °C | 22 | 24 | 24 | 23 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 10 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 674 | 588 | 322 | 261 | 173 | 289 | 72 | 22 | 32 | 33 | 38 | 26 | 23 | 16 | 77 | 75 | 162 | 127 | 125 |
Swell 2 Height (m) Direction Period (s) | W 5 | S 9 | S 11 | S 10 | W 7 | W 7 | S 13 | SW 14 | S 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 15 | SW 12 | W 6 | S 9 | SSW 11 | W 4 |
| kJ | 5 | 44 | 146 | 69 | 33 | 22 | 119 | 91 | 75 | 83 | 82 | 83 | 54 | 84 | 36 | 12 | 6 | 25 | 5 |
Swell 3 Height (m) Direction Period (s) | — | W 7 | W 7 | W 7 | S 9 | SW 15 | SW 13 | S 12 | SW 13 | SSW 12 | SSW 11 | SW 16 | SW 16 | SW 12 | S 10 | SW 13 | SW 21 | S 9 | S 9 |
| kJ | — | 14 | 26 | 14 | 39 | 77 | 88 | 75 | 88 | 47 | 23 | 91 | 91 | 22 | 8 | 41 | 18 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | W 7 | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | W 6 | W 6 | — |
| kJ | — | — | 21 | — | — | — | — | — | — | — | — | — | — | — | 16 | — | 10 | 16 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 68 | 68 | 0 | 68 | 68 | 0 | 108 | 68 | 0 | 68 | 68 | 4 | 108 | 108 | 0 | 68 | 68 | 12 |
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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