Surf Forecasts:
Oceanside Harbor surf forecast from 28 Jul 2026:
- Best quality surf: Thursday 30 Jul, 11PM (local time) - 5ft (1.6m), 14s period, S swell with glassy winds.
- Most powerful swell: Friday 31 Jul, 8AM (local time) - 6ft (1.8m), 14s period, S swell with 1,208 kJ wave energy.
- Next surfable swell (1★+): Monday 27 Jul, 8PM (local time) - 3.5ft (1.1m), 16s 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 Monday (Jul 27) at 8PM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 0.6m and 7s. 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 Friday (Jul 31) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 15s period and expected on Wednesday (Jul 29) at 8AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 27th Jul) | 3.5ft (1.1m) 16s |
| Best Surf | 11PM (Thu 30th Jul) | 5ft (1.6m) 14s |
| Most Powerful | 8AM (Fri 31st Jul) | 6ft (1.8m) 14s |
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 on offer for Oceanside Harbor over the next couple of weeks.
First up, the water is running *much warmer than normal* for this time of year, a solid 4° above average, so you can leave the thicker wetsuit at home. The next few days are going to be a bit of a mixed bag. We've got a solid pulse of long-period SSW groundswell arriving Monday morning, with waves around 4ft and a period of 18 seconds. The combined energy is strong at 1126, so there's plenty of push. The catch is that it's a beach/jetty set-up, and that long period groundswell can make the waves break a bit straight and challenging. It's an advanced spot anyway, and with the wind light and offshore from the WSW, conditions will be clean. Expect crowds here, as it's a popular spot. Monday afternoon looks similar but a little smaller.
Tuesday and Wednesday keep the SSW swell going, but the wind shifts to a light cross-onshore, making it a bit choppier. The swell energy stays moderate to strong, with readings over 1000 on Tuesday, but the quality drops. Thursday sees the swell back off a notch, and the period drops to 13 seconds, which is average. The best of the first week is shaping up for Friday the 31st with a bump in size to 6ft, still from the SSW. The wind is a light cross-onshore, so it will be a bit textured, but the energy is right up there. This is the standout for the week, but don't expect perfection.
After Friday, the bottom falls out. From Saturday the 1st of August onwards, the swell fades fast. The combined energy drops from 724 down to just 114 by the following week. The waves shrink to under 2ft, and the forecast calls for poor conditions. The wind stays onshore or cross-onshore, and there's really nothing to get excited about. There's a slight bump in the longer period on the 7th of August, with a 19-second period, but the swell height is only 3ft, so it's not going to deliver. Basically, from the end of the first week through the middle of the second week, there's nothing worth paddling out for. The models are showing a long stretch of flat, poor quality surf.
The only real standalone option in this 16-day window is Friday morning, July 31st. The 6ft SSW swell, with moderate energy, is the biggest we'll see. It's not going to be glassy, but it's the best call on offer. For the rest of the period, it's a waiting game.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 23°C on Mon morning, min 20°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sat morning, min 21°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||
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) | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 16 | S 13 | SSW 15 | S 14 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 11 | SSW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1056 | 893 | 771 | 1009 | 1020 | 938 | 612 | 733 | 499 | 599 | 558 | 1195 | 1074 | 919 | 786 | 688 | 485 | 164 | 120 | 88 | 83 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross | cross-on | on | cross | cross-on | on | glassy | on | cross-on | glassy | cross-on | cross-on | glassy | on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 9:53AM1.52m | 8:29PM2.22m | 10:18AM1.56m | 9:04PM2.25m | 10:43AM1.59m | 9:37PM2.24m | 11:08AM1.64m | 10:10PM2.18m | 11:34AM1.68m | 10:43PM2.07m | 12:00PM1.73m | 11:19PM1.91m | 12:28PM1.79m | 00:00AM1.72m | |||||||
Low Tide | 2:17PM1.12m | 3:47AM0.20m | 2:52PM1.07m | 4:16AM0.19m | 3:28PM1.03m | 4:43AM0.21m | 4:04PM0.99m | 5:09AM0.27m | 4:43PM0.97m | 5:34AM0.36m | 5:26PM0.95m | 5:58AM0.49m | 6:16PM0.93m | ||||||||
 | |  |  | | | | | | | | | | | | | | | | | | |
 | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — |
 | — | 7:52 | — | — | 7:52 | — | — | 7:51 | — | — | 7:50 | — | — | 7:50 | — | — | 7:49 | — | — | 7:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 22 | 23 | 23 | 21 | 23 | 23 | 21 | 24 | 24 | 22 | 24 | 24 | 23 | 25 | 25 | 23 | 24 | 23 | 22 |
Feels °C | 25 | 24 | 25 | 23 | 23 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 25 | 26 | 25 | 25 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 16 | S 13 | SSW 15 | S 14 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 11 | W 7 | W 7 | W 7 |
| kJ | 1056 | 893 | 771 | 1009 | 1020 | 938 | 612 | 733 | 482 | 599 | 558 | 1195 | 1074 | 919 | 786 | 688 | 485 | 164 | 44 | 39 | 39 |
Swell 2 Height (m) Direction Period (s) | W 7 | W 7 | W 7 | W 7 | W 7 | S 16 | SSE 15 | SSE 14 | SSW 16 | SSW 15 | S 13 | W 7 | WNW 7 | W 6 | W 7 | W 7 | W 7 | W 6 | SSW 10 | SSW 9 | SW 13 |
| kJ | 49 | 34 | 23 | 48 | 33 | 188 | 284 | 210 | 499 | 362 | 335 | 26 | 17 | 13 | 14 | 21 | 21 | 26 | 81 | 45 | 83 |
Swell 3 Height (m) Direction Period (s) | S 11 | SW 12 | S 9 | S 10 | SSE 18 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | — | — | — | SW 21 | SW 20 | SW 19 | SW 13 | SSW 13 | SW 13 | SSW 8 |
| kJ | 21 | 37 | 6 | 9 | 60 | 22 | 33 | 22 | 12 | 12 | 12 | — | — | — | 18 | 15 | 15 | 88 | 120 | 88 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 98 | 68 | 7 | 46 | 98 | 9 | 46 | 171 | 0 | 68 | 68 | 0 | 68 | 68 | 0 | 68 | 68 | 17 | 108 | 98 | 46 |
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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