Surf Forecasts:
Terra Mar surf forecast from 31 Jul 2026:
- Best quality surf: Friday 31 Jul, 8AM (local time) - 4.5ft (1.3m), 14s period, S swell with glassy winds.
- Most powerful swell: Friday 31 Jul, 8AM (local time) - 4.5ft (1.3m), 14s period, S swell with 674 kJ wave energy.
- Next surfable swell (1★+): Friday 31 Jul, 8AM (local time) - 4.5ft (1.3m), 14s period with S 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 (Jul 31) at 8AM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 0.4m and 7s. 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 14s and forecast to arrive on Friday (Jul 31) at 8AM. 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+) | 8AM (Fri 31st Jul) | 4.5ft (1.3m) 14s |
| Best Surf | 8AM (Fri 31st Jul) | 4.5ft (1.3m) 14s |
| Most Powerful | 8AM (Fri 31st Jul) | 4.5ft (1.3m) 14s |
Table - best surf conditions forecast for Terra Mar over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s size up the surf at Terra Mar for the next couple of weeks.
Straight up, it’s looking like a tough run. The opening day, Friday July 31st, has the most size we’ll see for a while, but it’s not exactly clean. The swell is coming in at 4 feet from the SSW with a 14-second period, giving it some decent push (646 combined energy). The wind is cross-onshore, though, so it’s going to be bumpy and a bit of a battle. That’s the best we get, but it’s far from a standout.
The rest of the first week quickly drops off. Saturday and Sunday are tiny, with onshore wind and poor surf. The combined energy plummets to the 180-245 range—just weak, messy waves. The water temp is about average for the time of year, nothing unusual.
From Monday August 3rd right through to Wednesday August 12th, it’s a real lull. We’re talking swells of 1 feet to 2 feet, mostly with onshore winds or cross-onshore conditions. The energy stays low, mostly between 122 and 406. It’s just poor surf day after day. There’s a long gap here with no real recommendations.
The best chance for a clean session comes on Thursday August 13th and Friday August 14th. The swell bumps up slightly to 3 feet from the SW, with a 16-second period and solid energy (420-433). The wind is still cross-onshore, so it’s not perfect, but the longer period means better shaped waves. Still, we’re looking at marginal surf at best.
The real standout in the whole period is actually the morning of August 15th. The swell is 3 feet from the SSW at 16 seconds, with the highest combined energy we’ve seen in a while at 501. The wind is cross-onshore again, but it’s a gentle breeze, so the surface won’t be too rough. It’s the most promising session, but remember, it’s a long way off, so don’t bank on it.
Overall, this is a pretty blank stretch for Terra Mar. The break is consistent, but the swell windows are just not lining up with clean wind. For now, the setup looks more interesting for a kite surfer than a paddle surfer.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Sat morning, min 19°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Mon afternoon, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||
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) | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 674 | 588 | 322 | 261 | 173 | 289 | 119 | 91 | 88 | 83 | 82 | 91 | 91 | 84 | 77 | 75 | 162 | 127 | 125 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | glassy | on | on | glassy | on | on | glassy | on | on | glassy | on | on | glassy | on | cross-on | cross |
High Tide | 10:10PM2.18m | 11:34AM1.68m | 10:43PM2.07m | 12:00PM1.73m | 11:19PM1.91m | 12:28PM1.79m | 00:00AM1.72m | 1:00PM1.85m | 00:51AM1.51m | 1:39PM1.90m | 2:08AM1.31m | 2:31PM1.95m | 4:24AM1.20m | ||||||
Low Tide | 5:09AM0.27m | 4:43PM0.97m | 5:34AM0.36m | 5:26PM0.95m | 5:58AM0.49m | 6:16PM0.93m | 6:22AM0.63m | 7:18PM0.90m | 6:48AM0.78m | 8:38PM0.85m | 7:19AM0.94m | 10:16PM0.74m | |||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | — | 7:49 | — | — | 7:49 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 24 | 24 | 23 | 25 | 25 | 23 | 25 | 25 | 23 | 24 | 25 | 22 | 24 | 23 | 21 | 24 | 24 | 22 |
Feels °C | 22 | 25 | 24 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 24 | 25 | 24 | 24 | 23 | 23 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 10 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 674 | 588 | 322 | 261 | 173 | 289 | 72 | 22 | 32 | 33 | 38 | 26 | 23 | 16 | 77 | 75 | 162 | 127 | 125 |
Swell 2 Height (m) Direction Period (s) | W 5 | S 9 | S 11 | S 10 | W 7 | W 7 | S 13 | SW 14 | S 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 15 | SW 12 | W 6 | S 9 | SSW 11 | W 4 |
| kJ | 5 | 44 | 146 | 69 | 33 | 22 | 119 | 91 | 75 | 83 | 82 | 83 | 54 | 84 | 36 | 12 | 6 | 25 | 5 |
Swell 3 Height (m) Direction Period (s) | — | W 7 | W 7 | W 7 | S 9 | SW 15 | SW 13 | S 12 | SW 13 | SSW 12 | SSW 11 | SW 16 | SW 16 | SW 12 | S 10 | SW 13 | SW 21 | S 9 | S 9 |
| kJ | — | 14 | 26 | 14 | 39 | 77 | 88 | 75 | 88 | 47 | 23 | 91 | 91 | 22 | 8 | 41 | 18 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | W 7 | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | W 6 | W 6 | — |
| kJ | — | — | 21 | — | — | — | — | — | — | — | — | — | — | — | 16 | — | 10 | 16 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 60 | 60 | 0 | 61 | 61 | 0 | 115 | 61 | 0 | 61 | 61 | 0 | 115 | 115 | 0 | 61 | 61 | 5 |
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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