Surf Forecasts:
Oceanside Harbor surf forecast from 5 Jul 2026:
- Best quality surf: Wednesday 8 Jul, 5AM (local time) - 3.5ft (1.1m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Tuesday 7 Jul, 11AM (local time) - 3.5ft (1.1m), 18s period, SSW swell with 777 kJ wave energy.
- Next surfable swell (1★+): Sunday 5 Jul, 8AM (local time) - 2.5ft (0.8m), 18s 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 Sunday (Jul 05) at 8AM. The primary swell is predicted to be 0.8m and 18s period with a secondary swell of 0.7m and 13s. 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 1.1m 18s and forecast to arrive on Tuesday (Jul 07) 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+) | 8AM (Sun 5th Jul) | 2.5ft (0.8m) 18s |
| Best Surf | 5AM (Wed 8th Jul) | 3.5ft (1.1m) 18s |
| Most Powerful | 11AM (Tue 7th Jul) | 3.5ft (1.1m) 18s |
Table - best surf conditions forecast for Oceanside Harbor over the next 16 days.
Updates in hr min s Forecast update imminent
Alright folks, Rusty here. Let’s look at what’s cookin’ at Oceanside Harbor over the next couple of weeks. I gotta be straight with you – this stretch is pretty flat and messy for the most part. The water’s a touch warmer than normal for this time of year, about 69°, which is nice, but the waves? Eh.
We start off with nothing worth paddling out for on Saturday and Sunday – poor surf, cross‑onshore winds, tiny swell. Monday morning shows a little pulse, but it’s still marginal with questionable tide. The best of a pretty average bunch comes Tuesday and Wednesday (July 7–8). We’ll see a moderate SSW swell push through, combined energy around 900, and the swell height is only about 3–4 ft. The period is a solid 16–18 seconds – that’s proper groundswell. But the direction is SSW, not the optimum W this spot likes, and the wind is light cross‑onshore or onshore, so it’ll be a bit lumpy. Still, those long periods mean the waves will have some shape and power, especially for a jetty/beach setup. It’s advanced only, and crowds are likely – this place is very consistent so it’ll be busy.
After that, the surf fades again. Thursday and Friday drop back to poor conditions, and the following week stays small – mostly 2–3 ft with short periods and cross‑onshore winds. There’s a tiny uptick around July 19 with a little S swell, but it’s still marginal. Honestly, if you’re desperate, Tuesday and Wednesday are your best shots, but don’t expect perfection. The long‑range stuff is too uncertain to get excited about. Keep your eye on the charts – things can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Wed morning, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Sat 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 20 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 239 | 233 | 390 | 273 | 550 | 326 | 326 | 485 | 777 | 603 | 491 | 667 | 651 | 675 | 499 | 481 | 481 | 362 | 411 | 405 | 344 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross | on |
High Tide | 00:13AM1.80m | 2:11PM1.67m | 1:03AM1.62m | 2:49PM1.76m | 2:15AM1.43m | 3:33PM1.87m | 4:01AM1.29m | 4:22PM1.99m | 5:58AM1.27m | 5:16PM2.13m | 7:26AM1.34m | 6:12PM2.28m | 8:28AM1.44m | ||||||||
Low Tide | 6:31PM1.17m | 7:17AM0.54m | 7:41PM1.15m | 7:49AM0.66m | 9:06PM1.06m | 8:25AM0.79m | 10:37PM0.89m | 9:12AM0.93m | 11:54PM0.66m | 10:13AM1.04m | 00:57AM0.42m | 11:24AM1.11m | 1:50AM0.19m | 12:32PM1.12m | |||||||
 |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:48 | — | — | 5:48 |
 | 8:01 | — | — | 8:01 | — | — | 8:01 | — | — | 8:01 | — | — | 8:01 | — | — | 8:00 | — | — | 8:00 | — | 8:00 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 19 | 20 | 20 | 18 | 20 | 20 | 19 | 20 | 21 | 20 | 22 | 22 | 21 | 22 | 22 | 20 | 22 | 22 | 20 | 22 |
Feels °C | 19 | 19 | 19 | 18 | 17 | 19 | 19 | 19 | 20 | 21 | 21 | 23 | 22 | 22 | 22 | 22 | 21 | 22 | 22 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 18 | W 7 | SSW 16 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 239 | 233 | 390 | 273 | 550 | 326 | 326 | 392 | 777 | 603 | 102 | 667 | 651 | 675 | 499 | 481 | 481 | 362 | 411 | 405 | 344 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | SSW 19 | SSW 13 | SSW 13 | W 5 | W 6 | SSW 20 | W 6 | W 7 | W 7 | SSW 18 | W 8 | W 7 | W 9 | W 8 | W 10 | W 10 | W 10 | W 10 | W 6 | W 6 |
| kJ | 212 | 146 | 98 | 99 | 16 | 23 | 259 | 50 | 60 | 44 | 491 | 117 | 65 | 106 | 94 | 94 | 65 | 49 | 50 | 22 | 12 |
Swell 3 Height (m) Direction Period (s) | S 10 | W 4 | SSW 9 | SSW 24 | SSW 22 | SSW 21 | SSW 12 | SSW 20 | SW 7 | SW 15 | SSW 14 | S 19 | S 11 | — | S 9 | S 9 | — | S 10 | S 21 | — | S 19 |
| kJ | 18 | 5 | 8 | 54 | 181 | 180 | 47 | 485 | 2 | 220 | 140 | 118 | 2 | — | 2 | 2 | — | 2 | 9 | — | 66 |
Wind waves Height (m) Direction Period (s) | W 4 | — | W 4 | W 3 | — | — | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | — | 3 | 3 | — | — | 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 68 | 4 | 68 | 68 | 8 | 68 | 68 | 0 | 68 | 68 | 0 | 68 | 68 | 7 | 46 | 108 | 46 | 108 | 108 | 2 | 108 |
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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