Oceanside Harbor Surf Break

Lat Long: 33.26° N 117.44° W

Oceanside Harbor Surf Forecast and Surf Report

Issued: 10 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Oceanside Harbor sea temperature is
23.3°C
3.4° 

Oceanside Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Oceanside Harbor surf forecast from 27 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 5AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with glassy winds.
  • Most powerful swell: Saturday 29 Aug, 2AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 932 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 8AM (local time) - 4ft (1.2m), 12s period with S 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 27) at 8AM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.6m and 15s. 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 1.3m 17s and forecast to arrive on Saturday (Aug 29) at 2AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 27th Aug)4ft (1.2m) 12s
Best Surf 5AM (Sat 29th Aug)4.5ft (1.3m) 17s
Most Powerful 2AM (Sat 29th Aug)4.5ft (1.3m) 17s

Table - best surf conditions forecast for Oceanside Harbor over the next 16 days.


The Lowdown

Alright, grab your board and let’s talk about it. It’s gonna be a bit of a mixed bag for the Harbor over this stretch.

The next few days are looking pretty ordinary. We’ve got some small, weak swell pushing in, and it’s not going to offer up much in the way of quality. The wave energy is pretty low, with readings under 800, so don’t expect much push. There’s a bit of a lull here, with conditions staying marginal. You’ll see some waves in the ankle to knee-high range (that’s about `0.3m` to `1m`), and the wind isn't helping onshore or cross-onshore. It’s a real wait-and-see deal, and I’d probably find something else to do rather than paddle out for these sloppy little numbers.

Now, looking further ahead, things start to get a little more interesting. The first real standout looks like the first week of September. We’ve got a nice window of cleaner conditions. The wind will be light or glassy, which is a huge plus. We’ll see the swell bump up to around `3.5ft` to `4ft`. The energy is still moderate, but the clean surface will make a world of difference. It’s not going to be a big day, but it could be a fun one with some shape. As we get further into the week, the swell might push a little higher, but the conditions look like they’ll get messier with the wind turning cross-onshore again.

The real gem in this forecast is Thursday, the 3rd of September. The swell is going to kick up significantly, with a solid `6.9ft` of south-southwest swell. The energy readings jump up to strong values around 1500, which is the peak of the window. However, it’s not going to be perfect. The wind will be light cross-onshore, which might put a little texture on it. Because it's a beach and jetty setup, this bigger, longer-period swell might be a bit tricky and close out in sections. This will be a peak for the more experienced surfers; beginners would be out of their depth at this size.

After that, it backs down again. The second week is more of a waiting game, with a few smaller pulses but nothing to get too excited about. The conditions look a little more onshore and choppy, so we'll just have to be patient. There’s a promising blip again on the 6th with some glassy conditions and a knee to waist-high swell, but that's about as good as it gets. The late summer doldrums are here, so make the most of those few cleaner moments.

Keep it salty.

Short Range Forecast

Mostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 12mm), heaviest on Tue afternoon. Warm (max 24°C on Sun morning, min 18°C on Tue afternoon). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
3
1
1
3
1
1
3
1
0
2
1
1
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
S
11
1.1
S
12
1
S
11
0.7
SSW
18
0.8
SSW
17
0.7
SSW
19
1.3
SSW
17
1
SSW
17
1.2
SSW
16
1.2
SSW
16
1.1
SSW
15
1
SSW
15
0.9
SSW
14
0.8
SSW
14
1
S
12
1
S
12
1.1
S
11
1.2
S
12
1.1
S
11
Wave Graph
Metric surfscale
Energy kJ
272
333
231
270
351
325
932
594
733
706
537
405
325
261
300
282
311
376
319
Wind (km/h)
10
S
10
SSW
10
SW
5
E
10
W
10
W
5
SSE
10
WSW
10
WSW
5
SSE
15
SSW
15
WSW
5
S
10
SW
15
W
5
NNW
0
WSW
5
NNE
10
N
Wind State
cross-on
on
on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
on
glassy
on
cross-on
glassy
glassy
glassy
cross-off
High Tide
8:44PM2.20m
9:55AM1.75m
9:18PM2.17m
10:17AM1.83m
9:53PM2.09m
10:39AM1.90m
10:30PM1.96m
11:04AM1.97m
11:10PM1.79m
11:32AM2.02m
11:57PM1.60m
12:06PM2.03m
00:58AM1.39m
Low Tide
3:36AM0.24m
3:15PM0.84m
4:00AM0.29m
3:51PM0.76m
4:23AM0.38m
4:31PM0.69m
4:46AM0.49m
5:13PM0.65m
5:10AM0.64m
6:02PM0.64m
5:34AM0.79m
7:03PM0.65m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
mod rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:21
7:20
7:19
7:16
7:15
7:15
 mm
3
9
Temp °C
25
26
27
26
27
27
25
26
26
23
24
24
22
24
24
23
22
19
21
Feels °C
28
28
29
29
29
28
28
27
26
25
24
23
23
24
23
24
21
21
22
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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