Oceanside Harbor Surf Break

Lat Long: 33.26° N 117.44° W

Oceanside Harbor Surf Forecast and Surf Report

Issued: 4 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Oceanside Harbor sea temperature is
22.4° C
3.1° 

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 19 Jul 2026:

  • Best quality surf: Saturday 25 Jul, 11PM (local time) - 3.5ft (1.0m), 20s period, SW swell with glassy winds.
  • Most powerful swell: Saturday 25 Jul, 5AM (local time) - 3.5ft (1.0m), 21s period, SW swell with 898 kJ wave energy.
  • Next surfable swell (1★+): Saturday 18 Jul, 11PM (local time) - 2ft (0.6m), 11s 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 Saturday (Jul 18) at 11PM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.6m and 11s. 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 1.0m 21s and forecast to arrive on Saturday (Jul 25) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 12s period and expected on Thursday (Jul 23) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 18th Jul)2ft (0.6m) 11s
Best Surf11PM (Sat 25th Jul)3.5ft (1.0m) 20s
Most Powerful 5AM (Sat 25th Jul)3.5ft (1.0m) 21s

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


The Lowdown

Alright, Rusty here. Let’s have a look at what’s coming down the line. Starting off real quiet and staying that way for a while. The good news is there’s a pulse of energy trying to find its feet after about a week, so let's see if we can find a window.

The first week is a tough one. We’ve got small swell and mostly onshore breezes knocking the shape around. The ocean’s got some energy, but it's not coming together right. From Saturday afternoon (July 18th) through to Sunday the 26th, it’s a real struggle for anything decent. Water temp is reading at 72°F on the 18th, and that's a wild anomaly – about 6°F warmer than usual for this time of year. Feels like bathwater and not much else.

The absolute best window looks like it’s gonna be the stretch from Monday July 27th morning through Tuesday July 28th afternoon at Oceanside Harbor (Oceanside). We’re looking at a solid SW groundswell, 4ft to 4ft, with a decent period of 17 to 18 seconds. That’s long-period stuff carrying real power. The combined energy reading is strong, hitting 1104 on Monday morning, which is a good sign for a jetty wave. The winds are light and straight onshore, which is a major plus—those conditions will keep the surface clean and lined up. It’s an exposed spot though, so it’ll be handling all that push. Wave quality is marginal, but this is the standout window we’ve got. Don’t expect classic, but with light wind and that long period, it’ll be the best unsung stretch of the forecast. It's an advanced wave, and with that consistency and crowds that are “often” around, expect a few locals out.

After that, it gets a bit lumpy and choppy from Wednesday the 29th on. Swell bumps up a touch – 4ft to 6ft – but the winds turn cross-onshore more often, and the period drops. That Friday July 31st morning shows 6ft from the S at 14 seconds, and a combined energy of 1329, so plenty of water moving, but with cross-onshore flow it’s going to be a messy, chunky beast at the beach break setup. That size is pushing into expert territory. Honestly, that late July-early August window looks more interesting for kite surfing than a clean paddle session.

Bottom line: If you’re gonna make a move, aim for Monday July 27th through Tuesday July 28th. Light wind, long-period groundswell, and the best overall quality of the whole 16-day run. The rest is a gamble or a wait.

Rusty

Short Range Forecast

Mostly dry. Warm (max 23°C on Mon morning, min 19°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Thu afternoon, min 20°C on Tue night). Wind will be generally light.

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
0
1
3
1
1
3
1
1
2
1
0
1
1
1
1
0
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)
0.8
SW
18
0.5
SW
16
0.8
SW
17
0.9
SW
17
1.4
SSW
12
0.9
SSW
15
0.9
SW
16
0.8
SSW
16
1
SSW
16
1
SSW
15
1.1
SSW
15
1
SSW
14
1
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
13
0.8
S
13
0.7
SW
24
1.2
S
13
0.9
SW
21
Wave Graph
Metric surfscale
Energy kJ
379
127
330
424
488
409
367
330
519
474
559
437
394
316
236
204
222
563
475
664
Wind (km/h)
10
WSW
5
SSW
15
WSW
10
WSW
5
SE
10
WSW
10
W
5
SSE
15
SSW
10
WSW
10
SSE
10
SSW
15
W
5
SSE
10
WSW
10
WSW
5
S
15
S
15
SSW
10
SSE
Wind State
on
glassy
on
on
glassy
on
cross-on
glassy
on
on
cross
on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
00:59AM1.74m
2:15PM1.86m
2:03AM1.48m
3:02PM1.87m
3:37AM1.29m
3:53PM1.88m
5:50AM1.24m
4:47PM1.90m
7:37AM1.30m
5:41PM1.94m
8:30AM1.38m
6:30PM2.00m
Low Tide
7:18PM0.95m
7:28AM0.58m
8:36PM0.94m
8:03AM0.79m
10:06PM0.88m
8:42AM0.98m
11:35PM0.77m
9:32AM1.13m
00:43AM0.64m
10:46AM1.22m
1:32AM0.51m
12:00PM1.25m
2:11AM0.40m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
5:54
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
7:58
7:57
7:57
7:55
7:54
7:54
 mm
2
Temp °C
22
21
22
22
21
23
23
22
22
23
22
24
25
23
25
26
24
23
23
21
Feels °C
22
23
22
21
22
23
22
22
22
23
23
24
25
24
26
26
25
24
23
22
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  • 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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