Oceanside Harbor Surf Break

Lat Long: 33.26° N 117.44° W

Issued: 10 am 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Oceanside Harbor sea temperature is
20.3° C

1.9°C warmer than normal for this time of year

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 2 Jul 2026:

  • Best quality surf: Monday 6 Jul, 2AM (local time) - 3.5ft (1.0m), 17s 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★+): Friday 3 Jul, 5AM (local time) - 2.5ft (0.8m), 15s 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 Friday (Jul 03) at 5AM. The primary swell is predicted to be 0.8m and 15s period with a secondary swell of 0.5m and 4s. 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 TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 3rd Jul)2.5ft (0.8m) 15s
Best Surf 2AM (Mon 6th Jul)3.5ft (1.0m) 17s
Most Powerful11AM (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, Rusty here. Let’s be straight about it – this outlook for Oceanside Harbor is a tough one. The whole 16-day run is dominated by small, weak swell and tricky winds. The best you can say is that the water is a touch warmer than normal for early July, sitting around 69°, about 3° above average for the time of year, but that’s small comfort when the waves just aren’t cooperating.

We’ve got a long gap of proper dud conditions right from the start. The first few days – July 2nd through July 4th – are a write-off. Tiny 3ft to 3ft SSW swell with a long period of 16 to 18 seconds, but it’s all cross-onshore wind and the wave comment says it all: poor surf. The combined energy is moderate at best, around 378 to 474.

Things creep into just barely surfable territory come Sunday July 5th. The morning shows 3ft SSW swell at 18 seconds, combined energy at 513, and the call is “marginal.” Still, the wind is a gentle cross-onshore breeze. That’s not clean, and the crowd factor is likely. If you’re a beginner, this is your window – barely. The water is still warm.

Monday July 6th holds similar: 2-3ft SSW swell, 16 seconds, energy around 533-592. Morning has a light onshore breeze, which is slightly better, but still marginal. Tuesday July 7th pushes up to 4ft SSW swell at 18 seconds, energy jumping to 820-866. That’s the most energy we see all forecast. The morning has light offshore wind. This is the standout of the whole run – the only one worth calling a highlight. The swell direction is from the SSW, which is the optimum direction for the break, and with light offshore wind, it could be clean. Keep in mind this is a beach/jetty setup, and with a long period of 18 seconds, it might be a bit straight and fat, but for the harbor, it’s the best on offer. This is for advanced surfers only, as it’s over 3ft and the jetty can be tricky. Crowds are likely here.

Wednesday July 8th is similar, around 4ft SSW swell, energy dropping from 843 to 693, still marginal. Thursday July 9th holds at 3ft but the wind turns cross-onshore again, killing the quality.

From Friday July 10th onward, it’s a slow fade. Swell heights drop to 3ft and then lower, energy falls below 400, and eventually by mid-July we’re looking at 1-2ft swells with combined energy in the 150-260 range. That’s weak, and the wind stays cross-on or onshore. Nothing worth paddling out for through to July 17th.

Overall, if you’re keen for a session, target Tuesday July 7th morning – it’s the only real shout. The rest of the run is a gap of poor to marginal conditions stretching a full 10 days after that. Not much to get excited about here. But forecasts can change, so don’t write it off completely.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 20°C on Sat morning, min 16°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Tue morning, min 17°C on Sun night). Wind will be generally light.

Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
2
0
0
2
1
0
3
1
1
3
1
1
3
1
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
16
0.9
SSW
18
0.6
SSW
15
0.9
SSW
16
0.9
SSW
16
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
18
0.7
SSW
18
1
SSW
17
0.8
SSW
16
0.6
SSW
20
0.8
SSW
20
1.1
SSW
18
1
SSW
18
0.9
SSW
18
1.1
SSW
16
1.1
SSW
16
1.1
SSW
17
Wave Graph
Metric surfscale
Energy kJ
347
438
142
392
397
239
239
239
233
348
273
550
330
261
485
777
603
491
667
651
675
Wind (km/h)
10
WSW
20
WNW
5
NW
15
W
15
W
5
WSW
15
WSW
15
W
5
WNW
15
W
15
W
5
WNW
10
WSW
10
W
0
SSW
10
WSW
10
SW
5
SE
10
WSW
10
SW
5
SSE
Wind State
on
cross-on
cross
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
on
on
glassy
on
on
glassy
High Tide
12:28PM1.52m
10:59PM2.09m
1:02PM1.55m
11:34PM1.96m
1:36PM1.60m
00:13AM1.80m
2:11PM1.67m
1:03AM1.62m
2:49PM1.76m
2:15AM1.43m
3:33PM1.87m
4:01AM1.29m
4:22PM1.99m
Low Tide
4:52PM1.16m
6:19AM0.34m
5:36PM1.17m
6:48AM0.43m
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
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:45
5:45
5:46
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:01
8:01
8:01
8:01
8:01
8:01
 mm
Temp °C
18
19
17
19
19
18
20
19
18
20
20
18
20
20
19
21
21
20
21
21
20
Feels °C
17
17
16
18
17
18
19
17
18
19
18
18
20
18
19
21
21
21
21
20
21
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
16
0.9
SSW
18
0.6
SSW
15
0.9
SSW
16
0.9
SSW
16
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
18
0.7
SSW
18
1
SSW
17
0.8
SSW
16
0.7
SW
16
0.9
SSW
16
1.1
SSW
18
1
SSW
18
0.9
SSW
18
1.1
SSW
16
1.1
SSW
16
1.1
SSW
17
Energy kJ
347
438
142
392
397
239
239
239
233
348
273
550
330
261
392
777
603
491
667
651
675
Swell 2
Height (m)
Direction
Period (s)
0.4
W
5
0.4
SSW
14
0.5
W
4
0.3
S
11
0.3
S
10
0.5
W
4
0.4
SSW
19
0.5
SSW
19
0.4
W
4
0.7
SSW
13
0.6
SSW
13
0.5
W
5
0.6
W
6
0.6
SSW
20
0.8
SSW
20
0.7
W
7
0.7
W
7
0.8
W
6
0.8
W
7
0.7
W
7
0.7
W
7
Energy kJ
8
81
9
21
19
10
148
212
5
154
116
12
23
259
485
42
43
51
58
42
44
Swell 3
Height (m)
Direction
Period (s)
0.3
S
11
0.3
S
11
0.3
SSW
18
0.1
S
23
0.2
SSW
21
0.3
S
10
0.3
S
10
0.3
S
10
0.4
SSW
19
0.2
SSW
9
0.2
SSW
24
0.4
SSW
22
0.4
SSW
21
0.4
SSW
12
0.8
W
6
0.1
S
7
0.7
SW
15
0.6
SSW
14
0.4
S
19
Energy kJ
23
21
60
11
43
18
17
19
146
8
54
181
180
48
44
1
220
140
118
Wind waves
Height (m)
Direction
Period (s)
0.5
W
5
0.4
W
5
0.5
W
5
0.4
W
5
0.5
W
3
0.3
W
4
0.5
W
5
0.6
W
6
Energy kJ
14
7
12
7
4
3
11
24
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
2
2
2
2
2
2
2
1
3
2
2
3
2
2
3
2
2
3
Distance (km)
68
68
12
68
68
0
308
68
0
68
68
0
68
68
0
68
68
0
68
68
0
Best forecast wave conditions in San Diego County
Rating
(10 max)
2
1
2
2
2
2
2
2
2
1
3
2
2
3
2
2
3
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
2
2
3
2
3
3
2
2
3
2
2
4
4
2
4
2
2
4
Header Global
Rating
(10 max)
9
5
9
5
5
6
5
9
7
5
8
9
8
6
8
9
6
9
5
5
9
  • 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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