Terra Mar surfForecast / CAL – San Diego County / USA

information circle12 Day Weather and Surf, issued 9 pm Friday 19 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
Terra Mar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Terra Mar sea temperature is
16.9° C
(Which is 1.7°C warmer than normal for this time of year)
Nearby Cam: 1km away, The Rooftop Bar | Oceanside, CA | San Diego Web Cam


Best Forecast Surf Conditions for Terra Mar this week:

The surf forecast for Terra Mar over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 21) at 1AM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.2m and 11s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Terra Mar in the next 12 days are 2.5m 10s and forecast to arrive on Friday (Dec 26) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Wednesday (Dec 24) at 7PM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 21st Dec)1.5ft (0.5m) 9s
Best Surf10PM (Fri 26th Dec)7ft (2.2m) 11s
Most Powerful 1PM (Fri 26th Dec)8ft (2.5m) 10s

Table - best surf conditions forecast for Terra Mar over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 19°C on Sun morning, min 14°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 28mm), heaviest during Wed afternoon. Very mild (max 18°C on Tue morning, min 14°C on Wed afternoon). Winds increasing (calm on Mon night, strong winds from the SSE by Wed morning).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
0
0
1
1
0
1
0
0
0
0
0
1
1
0
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.9
W
0.8
W
0.7
W
0.5
W
0.5
W
0.5
W
0.6
W
0.6
W
0.6
W
0.6
W
0.5
W
0.4
SW
1.5
S
2
SSW
1.5
WSW
1.2
SW
1.6
SW
1.6
SW
2.5
WSW
2.5
WSW
3
W
Period(s) (?)7769121111111010101567888891010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)78563942716385827669505613835226016934632494712451394
Wind
(km/h)
10
SSE
10
SSE
5
S
5
SE
5
NW
15
WNW
10
NW
5
NW
10
WNW
0
N
5
S
15
S
15
SE
45
SSE
25
SW
15
SE
15
SSE
10
SSW
10
SE
15
SSE
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
glasscrosscrosscross-
off
glasscross-
on
glasscross-
on
cross-
on
crosscross-
on
oncrosscrosscross-
on
crosscrosscross-
on
High Tide
/ height (m)
8:23AM
2.26
10:31PM
1.48
8:57AM
2.24
11:08PM
1.47
9:30AM
2.19
11:48PM
1.48
10:05AM
2.11
12:28AM
1.50
10:42AM
1.98
1:09AM
1.56
11:27AM
1.81
1:51AM
1.65
12:27PM
1.61
Low Tide
/ height (m)
2:05AM
1.15
3:50PM
0.18
2:38AM
1.16
4:26PM
0.20
3:12AM
1.18
5:01PM
0.25
3:51AM
1.21
5:35PM
0.32
4:40AM
1.23
6:09PM
0.41
5:45AM
1.25
6:45PM
0.51
7:13AM
1.21
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
Sunrise-6:48--6:48--6:48--6:48--6:50--6:50--6:50-
Sunset--4:45--4:45--4:45--4:46--4:46--4:47--4:49
part cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
Rain (mm)
------------14127311--
Temp. °C141716171918171818171817181816161818171817
Feels °C (?)131616171716161817161616151014141616161615
  • Map Icons:
  • Break
  • 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 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 12 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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