Surf Forecasts:
Terra Mar surf forecast from 29 Aug 2026:
- Best quality surf: Friday 4 Sep, 5AM (local time) - 3.5ft (1.0m), 17s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 2AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 932 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 11PM (local time) - 3.5ft (1.0m), 17s period with SSW swell.
Best Forecast Surf Conditions for Terra Mar this week:
The surf forecast for Terra Mar over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 11PM. The primary swell is predicted to be 1.0m and 17s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Terra Mar in the next 16 days are 1.3m 17s and forecast to arrive on Saturday (Aug 29) at 2AM. 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 (Fri 28th Aug) | 3.5ft (1.0m) 17s |
| Best Surf | 5AM (Fri 4th Sep) | 3.5ft (1.0m) 17s |
| Most Powerful | 2AM (Sat 29th Aug) | 4.5ft (1.3m) 17s |
Table - best surf conditions forecast for Terra Mar over the next 16 days.
The Lowdown
How’s it goin’, Rusty here. Let’s talk Terra Mar for the next 16 days.
Terra Mar’s a point break, good for beginners, and fairly consistent. But the wind is the story – a lot of cross-onshore and onshore breeze, making things lumpy. The swell’s mostly from the SSW, but this spot likes it from the WSW.
The one to circle is the morning of Friday, September 11th. We’ve got a glassy easterly wind at only 3 mph, and the water’s dead flat. The swell is 3 ft from the SW with a 16-second period – that’s a real groundswell. The combined energy is low at 397, but with that wind, it’ll be clean. That long period works well for a point break. Water temp is 75° – 7° warmer than usual for this time of year, which is very rare.
Before that, from now through Thursday, September 10th, it’s mostly onshore chop and marginal surf. Swell sizes run from 2 ft up to 5 ft. The biggest push is Thursday, September 3rd morning with 5 ft and 987 energy, but cross-onshore wind makes it choppy. Friday, August 28th afternoon has a 2 ft SSW swell with a 19-second period and 545 energy, but light onshore wind.
After the good glassy morning on the 11th, it fades back to small, windy days. The only real window is that Friday morning. The rest is a long stretch of wait-and-see.
It’s not big enough to worry about beginners on that day – just clean small waves. The rest of the time, it’s pretty average.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 21°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Wed afternoon, min 21°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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) | SSW 19 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 12 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 12 | SSW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 325 | 932 | 692 | 627 | 759 | 537 | 478 | 389 | 261 | 226 | 154 | 151 | 154 | 319 | 594 | 476 | 396 | 904 | 739 | 543 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross-on | cross-on | cross-on | on | on | glassy | on | cross-on | cross-off | cross-on | cross-on | cross-off | cross | cross-on | cross | cross-on | cross-on | glassy |
High Tide | 9:53PM2.09m | 10:39AM1.90m | 10:30PM1.96m | 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 | ||||||||
Low Tide | 3:51PM0.76m | 4:23AM0.38m | 4:31PM0.69m | 4:46AM0.49m | 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 | |||||||
 |  | | | | | | | | | | | |  |  |  | | | | | |
 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — |
 | 7:20 | — | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:13 | — | — | 7:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 27 | 27 | 24 | 25 | 25 | 22 | 23 | 24 | 22 | 24 | 25 | 23 | 24 | 26 | 24 | 26 | 26 | 24 |
Feels °C | 29 | 29 | 28 | 27 | 26 | 24 | 24 | 23 | 22 | 23 | 22 | 22 | 22 | 22 | 23 | 24 | 23 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | S 9 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | W 7 | SSW 14 | S 12 | SSW 13 | SSW 13 | S 11 | S 12 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 12 | SSW 12 |
| kJ | 73 | 932 | 692 | 627 | 759 | 537 | 478 | 102 | 261 | 180 | 154 | 151 | 112 | 319 | 594 | 476 | 396 | 904 | 739 | 543 |
Swell 2 Height (m) Direction Period (s) | SW 14 | S 8 | W 7 | W 7 | W 8 | W 8 | W 7 | SSW 14 | W 7 | SSW 14 | S 11 | S 11 | SSW 13 | W 5 | SSW 16 | SW 16 | SSW 12 | W 5 | S 13 | SSW 18 |
| kJ | 147 | 33 | 35 | 61 | 110 | 146 | 85 | 389 | 55 | 226 | 85 | 82 | 154 | 16 | 179 | 264 | 293 | 8 | 14 | 404 |
Swell 3 Height (m) Direction Period (s) | SSW 19 | W 6 | SSW 8 | SW 12 | S 8 | SSE 13 | S 12 | SSE 12 | S 13 | SSW 19 | W 5 | SW 18 | SW 18 | SW 18 | W 9 | — | W 4 | SSW 20 | W 12 | W 5 |
| kJ | 325 | 13 | 21 | 36 | 11 | 33 | 44 | 46 | 163 | 35 | 13 | 50 | 80 | 111 | 2 | — | 9 | 75 | 3 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 6 | — | W 5 | W 5 | — | W 5 | W 5 | — | — | W 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | 36 | — | 14 | 19 | — | 8 | 12 | — | — | 17 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 61 | 0 | 61 | 60 | 61 | 61 | 178 | 0 | 60 | 60 | 0 | 60 | 61 | 0 | 45 | 61 | 40 | 60 | 61 | 0 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Terra Mar Surf forecast
The above surf forecast table for Terra Mar provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Terra Mar can be found by selecting the local surf guide option on the grey menu. Our Terra Mar 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 (Terra Mar) 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 Terra Mar 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.
Terra Mar is 1 km (1 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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