Surf Forecasts:
Oceanside Harbor surf forecast from 6 Aug 2026:
- Best quality surf: Saturday 8 Aug, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with 438 kJ wave energy.
- Next surfable swell (1★+): Wednesday 5 Aug, 11PM (local time) - 2ft (0.6m), 14s period with SW 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 Wednesday (Aug 05) at 11PM. The primary swell is predicted to be 0.6m and 14s period with a secondary swell of 0.3m and 5s. 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 0.9m 18s and forecast to arrive on Saturday (Aug 08) at 5AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 5th Aug) | 2ft (0.6m) 14s |
| Best Surf | 5AM (Sat 8th Aug) | 3ft (0.9m) 18s |
| Most Powerful | 5AM (Sat 8th Aug) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Oceanside Harbor over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let’s break it down.
It’s gonna be a lean run to start. For the first week-plus, the ocean is just not cooperating. From August 5th through the 14th, there’s barely a ripple worth mentioning. The swell is tiny – we’re talking 2 to 3 feet at best – and the wind is mostly a cross-onshore mess. There is some long-period energy in the water (up to 19 seconds on the 7th), but with the choppy conditions, it’s mostly just a frustrating paddle. The combined energy hits a high of around 458 (moderate), but the wind destroys any chance of a clean face. Frankly, it looks more interesting for kiting than surfing.
However, things start to look slightly better around Friday the 14th. The only real chance for a session in this entire 16-day window is Oceanside Harbor (United States). The sweet spot looks to be Monday the 18th through Thursday the 21st. Keep your eye on Thursday morning, August 20th. You’ll get a clean 2ft SSW swell – not big, but with a long-period of 18 seconds, it’ll have some lovely shape and push for the jetty. The combined energy reads 569 (moderate to strong), and the wind will be a light onshore, which works great here. The water is a warm 77°F – far warmer than usual for this time of year, so you’ll be in boardshorts.
This spot is very consistent, but expect crowds, as it gets busy often when it’s the only decent option. It’s strictly for advanced surfers. The rest of the second week is pretty marginal, with choppy winds and small swell keeping the quality low.
Don’t get your hopes up for much else.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Fri afternoon, min 19°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sat morning, min 22°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 18 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 20 | SW 19 | SSW 13 | SW 18 | SW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 162 | 127 | 160 | 113 | 114 | 126 | 329 | 243 | 348 | 340 | 295 | 397 | 309 | 305 | 297 | 207 | 186 | 184 | 95 | 252 | 316 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | glassy | on | on | glassy | cross-on | on | glassy | on | on | glassy |
High Tide | 2:31PM1.95m | 4:24AM1.20m | 3:37PM2.01m | 6:47AM1.26m | 4:52PM2.11m | 7:50AM1.38m | 6:02PM2.23m | 8:30AM1.50m | 7:02PM2.36m | 9:05AM1.60m | 7:56PM2.46m | 9:39AM1.70m | 8:45PM2.49m | ||||||||
Low Tide | 10:16PM0.74m | 8:03AM1.09m | 11:46PM0.55m | 9:34AM1.20m | 00:52AM0.34m | 11:21AM1.22m | 1:44AM0.15m | 12:40PM1.15m | 2:29AM0.02m | 1:40PM1.04m | 3:10AM-0.06m | 2:33PM0.92m | 3:49AM-0.05m | ||||||||
 |  |  | | | | | | | | | | | | | | | | | | | |
 | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — |
 | — | 7:45 | — | — | 7:44 | — | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 20 | 22 | 23 | 21 | 23 | 24 | 22 | 25 | 25 | 23 | 24 | 24 | 22 | 24 | 24 | 22 | 24 | 24 | 22 |
Feels °C | 22 | 22 | 21 | 22 | 23 | 22 | 23 | 24 | 23 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 25 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SW 13 | SSW 19 | SSW 13 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 18 |
| kJ | 162 | 127 | 160 | 113 | 114 | 84 | 329 | 111 | 348 | 340 | 295 | 397 | 309 | 305 | 297 | 207 | 139 | 137 | 95 | 252 | 316 |
Swell 2 Height (m) Direction Period (s) | W 5 | SW 12 | W 4 | W 4 | SSW 20 | SSW 18 | SSW 13 | SSW 19 | SW 12 | SW 12 | SW 12 | SW 12 | W 4 | SW 11 | SW 11 | SW 20 | SW 20 | SW 19 | SW 15 | S 12 | SSW 12 |
| kJ | 5 | 34 | 3 | 3 | 79 | 126 | 114 | 243 | 124 | 114 | 89 | 118 | 3 | 42 | 42 | 106 | 186 | 184 | 75 | 73 | 55 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 12 | W 13 | W 5 | W 12 | W 12 | W 15 | W 14 | W 12 | W 13 | W 13 | SW 21 | SW 21 | W 6 | SW 16 | SW 14 | SW 18 | SW 14 | SW 13 |
| kJ | 6 | 6 | 6 | 25 | 3 | 2 | 3 | 3 | 4 | 4 | 11 | 3 | 13 | 72 | 71 | 3 | 63 | 33 | 51 | 103 | 44 |
Wind waves Height (m) Direction Period (s) | — | W 5 | — | — | W 5 | — | W 4 | W 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 8 | — | — | 4 | — | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 68 | 68 | 0 | 68 | 68 | 0 | 68 | 68 | 0 | 68 | 68 | 0 | 108 | 68 | 0 | 46 | 108 | 0 | 46 | 108 | 0 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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