Oceanside Harbor Surf Break

Lat Long: 33.26° N 117.44° W

Oceanside Harbor Surf Forecast and Surf Report

Issued: 10 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Oceanside Harbor sea temperature is
23.3°C
3.2° 

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 6 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 11AM (local time) - 6ft (1.8m), 14s period, S swell with offshore winds.
  • Most powerful swell: Monday 7 Sep, 5AM (local time) - 6ft (1.9m), 14s period, SSW swell with 1,419 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 11AM (local time) - 6ft (1.8m), 14s 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 Sunday (Sep 06) at 11AM. The primary swell is predicted to be 1.8m and 14s period with a secondary swell of 0.4m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Oceanside Harbor in the next 16 days are 1.9m 14s and forecast to arrive on Monday (Sep 07) at 5AM. 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+)11AM (Sun 6th Sep)6ft (1.8m) 14s
Best Surf11AM (Sun 6th Sep)6ft (1.8m) 14s
Most Powerful 5AM (Mon 7th Sep)6ft (1.9m) 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 Oceanside Harbor has in store for us over the next couple of weeks.

Right off the bat, we've got a bit of a slow start. The surf is pretty marginal through Saturday, so don't expect much. The water is sitting at a warm 74°, which is a solid 6° warmer than usual for this time of year—that’s really unusual, so a spring suit or just a rash guard will be all you need.

The first real window of opportunity opens up on Sunday, September 6th. That morning, we’re looking at the standout session of the entire forecast. A clean 6ft south swell is rolling in with a 14-second period, giving it some decent grunt. The combined energy is moderate at 1272, and the real kicker is the offshore NNE breeze at 9 mph. That’ll keep the faces clean and make for some proper shaped waves. This is advanced territory, though—that 6ft is getting up there, and the jetty can throw some tricky sections. It’s very consistent here, so expect plenty of waves, but also expect the crowds to be likely given it’s a known spot. This is your best bet, hands down. The afternoon holds up with a similar 5ft south swell, just with a cross-off breeze, still clean and good fun.

Monday the 7th sees the swell size bump up a touch to 6ft from the SSW, but the wind swings cross-on from the WNW, chopping things up and making it messy. The quality drops off hard, and the energy is still moderate at 1272, but it’s just not worth it with that wind. Things go downhill from there.

From Tuesday the 8th all the way through the end of the forecast on September 20th, it’s a long stretch of poor to marginal surf. The swell drops off significantly, hanging around 1ft to 3ft with mostly weak energy readings—sometimes dipping below 300, which is barely a ripple. The winds are mostly light and cross-on or onshore, and while there are a few moments of clean conditions, the lack of any real size or power means there’s nothing to get excited about. There's a long gap of over a week with no real recommendations. If you’re desperate, the small windows on Wednesday the 9th or Thursday the 10th have some waist-high SW swell with light onshore wind, but it’s marginal at best. Honestly, with the swell so small and the wind being mostly cross-on, the setup at this beach/jetty looks more interesting for kite surfing than paddle surfing during that stretch.

So to sum it up: Sunday morning, September 6th is your day. Get on it while you can, because after that, it’s a long wait for the next real pulse.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Sun morning. Warm (max 27°C on Sun afternoon, min 21°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Wed afternoon, min 22°C on Thu night). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
3
4
4
3
2
2
3
0
0
2
0
2
2
1
2
2
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
16
1.1
SW
16
1.7
S
14
1.8
S
14
1.5
S
13
1.4
S
12
1.9
SSW
13
1.8
SSW
13
1.7
SSW
12
1.5
SSW
13
1.4
SSW
13
1.2
SSW
11
1
SSW
10
0.7
SW
16
0.9
SW
17
1
SW
17
1
SW
16
1
SW
16
0.9
SW
16
0.9
SW
15
0.9
SW
15
Wave Graph
Metric surfscale
Energy kJ
512
628
1094
1225
737
584
1174
993
820
781
659
340
214
278
419
553
502
483
400
318
309
Wind (km/h)
10
W
15
WNW
10
NW
15
NNE
15
NNW
10
NW
15
WNW
20
WNW
5
WNW
15
WNW
25
WNW
0
ESE
10
W
10
SW
5
SSE
10
SW
10
SSW
10
S
10
SSW
10
SSW
10
S
Wind State
cross-on
cross-on
cross
off
cross-off
cross
cross-on
cross
glassy
cross-on
cross-on
glassy
cross-on
on
cross
on
on
cross-on
cross-on
on
cross-on
High Tide
4:46PM2.04m
7:41AM1.51m
6:01PM2.14m
8:09AM1.64m
7:00PM2.24m
8:37AM1.76m
7:51PM2.30m
9:05AM1.88m
8:37PM2.28m
9:33AM1.98m
9:21PM2.20m
10:01AM2.05m
10:04PM2.06m
Low Tide
10:01AM1.32m
00:40AM0.30m
11:49AM1.23m
1:27AM0.18m
12:55PM1.08m
2:07AM0.11m
1:47PM0.90m
2:43AM0.10m
2:34PM0.74m
3:16AM0.16m
3:18PM0.61m
3:46AM0.28m
4:01PM0.53m
4:14AM0.43m
clear
clear
part cloud
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
6:28
6:28
6:28
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:07
7:07
7:06
7:04
7:02
7:00
 mm
2
Temp °C
23
24
24
22
27
25
26
25
24
27
27
25
27
28
25
25
25
24
25
24
22
Feels °C
23
22
24
21
28
25
26
23
22
25
24
26
26
27
26
26
25
26
26
24
23
  • Map Icons:
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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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