Oceanside Harbor Surf Break

Lat Long: 33.26° N 117.44° W

Oceanside Harbor Surf Forecast and Surf Report

Issued: 4 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Oceanside Harbor sea temperature is
24.9°C
5.0° 

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 30 Aug 2026:

  • Best quality surf: Monday 31 Aug, 5AM (local time) - 3ft (0.9m), 14s period, SSW swell with glassy winds.
  • Most powerful swell: Sunday 6 Sep, 11AM (local time) - 5.5ft (1.7m), 14s period, S swell with 1,142 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 8PM (local time) - 3.5ft (1.0m), 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 Sunday (Aug 30) at 8PM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 0.7m 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 1.7m 14s and forecast to arrive on Sunday (Sep 06) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 30th Aug)3.5ft (1.0m) 14s
Best Surf 5AM (Mon 31st Aug)3ft (0.9m) 14s
Most Powerful11AM (Sun 6th Sep)5.5ft (1.7m) 14s

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


The Lowdown

G’day, Rusty here, and I’ve gotta be straight with you – the next 16 days at Oceanside Harbor are a real mixed bag, and a lot of it is pretty grim. The water is cooking at 77°, which is much warmer than usual for this time of year, so that’s a nice little bonus if you’re just having a paddle, but the surf? It’s a tough watch for most of the run.

The first recommendation doesn’t pop up until Sunday, the 30th of August, and even then it’s a bit of a struggle. We’ve got a long wait after that for anything decent. From Sunday the 30th morning through to Saturday the 5th of September, the ocean is pretty flat with tiny swell – mostly 2 ft to 4 ft from the SSW and S, and the wind is cross-on or onshore for most of it. The energy is weak to moderate (like 162 to 804), and the wave quality is poor. Not worth paddling out for.

Now, the real standout, and the only thing that gets the blood pumping, is from Sunday the 6th of September. That morning we see a solid 6 ft swell from the south, with a 14-second period – that’s proper groundswell energy. The combined energy jumps up to 1212, which is strong. On top of that, the wind is cross-shore out of the NW at 25 km/h, keeping things a bit more manageable. The break is a beach/jetty setup, and with a long period like that, it’ll be better for the jetty side where the waves won’t just close out. The swell direction is SSW, and the optimum direction for this spot is W, so it’s not a perfect match, but it’s still the best we’ll see. Crowds are often an issue here, so expect company. The swell size is manageable for advanced surfers, but under 8 ft, so it’s not too gnarly.

Monday the 7th of September morning keeps the 6 ft swell from the SSW, and the wind is onshore out of the SW at 10 km/h, making it a bit cleaner. The energy is 1290 – strong. But by the afternoon, a rain shower hits with a near gale from the SSE at 60 km/h, blowing it out completely. Then Tuesday the 8th of September morning sees a 8 ft swell from the SSW, with a 14-second period and energy at 2378 – that’s very strong. But the wind is cross-on from the WNW at 15 km/h, so it’ll be choppy. That size is at the limit for regular surfers, so only experts should be looking at it. By Tuesday afternoon, it’s 12 ft and blown out – definitely not for the faint-hearted.

After that, the forecast drops off a cliff. From Wednesday the 9th of September right through to Monday the 14th of September, we’re back to tiny, poor surf with weak energy, no real standout to get excited about.

So, the best on offer is Sunday the 6th of September morning and Monday the 7th of September morning. The jetty might offer a few lefts and rights if you can find a peak. Don’t get your hopes up too high for the long-range – the second week is a write-off. If you’re a kiter, with the strong winds and choppy conditions, this setup might be more interesting for you than paddle surfing.

Rusty out.

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 21°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 25°C on Wed afternoon, min 21°C on Wed night). Wind will be generally light.

Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
1
0
2
0
0
1
0
0
3
0
1
3
1
1
3
2
1
3
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
SSW
15
1.1
SSW
14
1
SSW
14
0.8
SSW
14
0.8
S
12
0.7
SSW
13
0.6
SSW
13
0.6
SSW
13
0.8
S
12
0.5
SSW
13
0.5
SW
16
0.7
SW
17
0.9
SSW
12
0.8
SSW
18
0.9
SSW
18
1
SSW
17
1.1
SSW
16
1.1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
Wave Graph
Metric surfscale
Energy kJ
537
478
389
253
184
156
116
118
199
93
129
288
193
399
547
594
667
620
512
512
475
Wind (km/h)
15
SSW
15
WSW
5
SSE
15
WSW
15
W
5
NNW
15
W
20
WNW
15
NW
15
W
25
WNW
5
N
10
SW
15
W
5
NNW
10
WSW
10
WSW
5
ESE
10
SSW
10
W
5
NNW
Wind State
cross-on
on
glassy
on
cross-on
glassy
cross-on
cross-on
cross
cross-on
cross-on
glassy
on
cross-on
glassy
on
on
glassy
on
cross-on
cross-off
High Tide
11:04AM1.97m
11:10PM1.79m
11:32AM2.02m
11:57PM1.60m
12:06PM2.03m
00:58AM1.39m
12:48PM2.03m
2:40AM1.23m
1:48PM2.00m
6:05AM1.25m
3:13PM1.98m
7:12AM1.38m
4:46PM2.04m
Low Tide
5:13PM0.65m
5:10AM0.64m
6:02PM0.64m
5:34AM0.79m
7:03PM0.65m
5:58AM0.95m
8:23PM0.65m
6:24AM1.10m
10:07PM0.59m
7:01AM1.25m
11:37PM0.45m
10:01AM1.32m
00:40AM0.30m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:22
6:24
6:24
6:24
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:16
7:15
7:15
7:14
7:12
7:10
7:09
 mm
Temp °C
24
25
23
23
23
22
24
24
22
24
25
23
24
24
22
24
24
23
25
26
24
Feels °C
24
25
26
23
21
22
23
21
20
22
22
21
23
23
22
24
23
24
25
25
24
  • Map Icons:
  • Break
  • 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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