Princeton Breakwater Surf Break

Lat Long: 37.50° N 122.48° W

Issued: 10 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Princeton Breakwater sea temperature is
15.1° C

2.5°C warmer than normal for this time of year

Princeton Breakwater surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Princeton Breakwater surf forecast from 19 Jun 2026:

  • Best quality surf: Sunday 21 Jun, 8AM (local time) - 2.5ft (0.8m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Wednesday 24 Jun, 2PM (local time) - 3ft (0.9m), 17s period, SSW swell with 528 kJ wave energy.
  • Next surfable swell (1★+): Sunday 21 Jun, 8AM (local time) - 2.5ft (0.8m), 16s period with SW swell.

Best Forecast Surf Conditions for Princeton Breakwater this week:

The surf forecast for Princeton Breakwater over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 21) at 8AM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.7m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Princeton Breakwater in the next 16 days are 0.9m 17s and forecast to arrive on Wednesday (Jun 24) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 21st Jun)2.5ft (0.8m) 16s
Best Surf 8AM (Sun 21st Jun)2.5ft (0.8m) 16s
Most Powerful 2PM (Wed 24th Jun)3ft (0.9m) 17s

Table - best surf conditions forecast for Princeton Breakwater over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 15°C on Mon afternoon, min 11°C on Sun night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thu
25
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
1
1
1
1
0
2
0
0
2
0
0
1
0
1
1
0
0
Swell
Height Map
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
16
0.8
SW
15
0.6
SW
18
0.7
SW
14
1
SW
15
1
SW
16
0.6
SW
16
0.9
SW
14
0.9
SW
14
0.7
SW
14
0.6
SW
14
0.5
SW
17
0.6
SW
16
0.5
SW
13
0.5
SW
19
0.6
SSW
18
0.6
SSW
18
0.9
SW
17
0.6
SSW
16
0.9
SW
16
0.8
SSW
15
Wave Graph
Metric surfscale
Energy kJ
344
318
249
198
418
496
203
305
305
214
158
138
208
91
184
214
209
419
175
362
302
Wind (km/h)
15
S
20
SSW
25
SSW
10
SSW
10
WSW
10
W
10
WNW
10
SW
15
W
10
W
10
W
15
W
5
WSW
10
SW
10
WSW
10
WSW
10
W
15
W
10
SW
10
W
20
WNW
Wind State
cross-on
cross-on
on
cross-on
on
cross-on
cross
on
cross-on
cross-on
cross-on
cross-on
glassy
on
on
cross-on
cross-on
cross-on
on
cross-on
cross
High Tide
1:46AM1.67m
3:54PM1.52m
2:48AM1.47m
4:39PM1.57m
3:58AM1.26m
5:23PM1.62m
5:20AM1.09m
6:05PM1.66m
6:54AM1.01m
6:45PM1.69m
8:23AM1.02m
7:24PM1.71m
9:37AM1.09m
Low Tide
8:14PM0.80m
8:49AM-0.26m
9:27PM0.73m
9:38AM-0.06m
10:42PM0.62m
10:27AM0.15m
11:55PM0.47m
11:17AM0.36m
1:01AM0.31m
12:09PM0.55m
1:58AM0.15m
1:02PM0.72m
2:48AM0.02m
1:55PM0.84m
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
5:48
5:48
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:32
8:34
8:34
8:34
8:34
8:34
8:34
 mm
Temp °C
14
15
16
15
15
15
14
15
15
12
14
15
13
14
15
13
15
15
12
14
14
Feels °C
12
12
12
11
13
13
12
14
13
10
12
13
12
12
13
12
14
13
10
12
11
Swell 1
Height (m)
Direction
Period (s)
0.8
SW
16
0.8
SW
15
0.7
SW
14
0.7
SW
14
1
SW
15
1
SW
16
0.6
SW
16
0.9
SW
14
0.9
WNW
9
1
WNW
9
0.9
WNW
8
0.9
WNW
8
0.6
WNW
8
0.5
WNW
8
0.6
SW
15
0.6
SSW
18
0.6
SW
15
0.9
SW
17
0.6
SSW
16
0.9
WNW
9
1
WNW
10
Energy kJ
344
318
206
198
418
496
203
305
121
151
108
94
53
37
176
214
171
419
175
116
172
Swell 2
Height (m)
Direction
Period (s)
0.7
WNW
11
0.6
WNW
11
0.6
SW
18
0.4
WNW
10
0.5
WNW
10
0.5
WNW
10
0.6
SSW
13
0.8
WNW
8
0.9
SW
14
0.7
SW
14
0.6
SW
14
0.5
SW
13
0.6
SW
16
0.5
SW
13
0.5
WNW
8
0.5
SW
15
0.6
SSW
18
0.4
WNW
9
0.6
WNW
9
0.9
SW
16
0.8
SSW
15
Energy kJ
103
75
249
39
59
58
114
84
305
214
158
85
208
87
35
104
209
34
50
362
302
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
13
0.4
SSW
12
0.5
WNW
10
0.5
SW
18
0.2
SSW
21
0.2
SSW
21
0.5
WNW
10
0.4
SW
20
0.4
SW
19
0.5
SW
18
0.4
SW
18
0.5
SW
17
0.5
SW
13
0.4
SW
16
0.5
SW
19
0.4
WNW
8
0.4
WNW
8
0.5
SSW
13
0.5
SW
13
0.1
S
11
0.1
SW
21
Energy kJ
55
47
60
152
45
44
56
97
96
154
80
138
85
91
184
24
26
96
85
2
18
Wind waves
Height (m)
Direction
Period (s)
0.4
SSW
4
0.3
SSW
4
0.4
SSW
3
Energy kJ
5
2
5
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
2
2
2
2
2
1
2
1
3
2
1
2
1
1
2
2
1
1
Distance (km)
77
77
77
6
34
718
34
34
73
34
34
311
0
34
418
34
34
418
20
34
73
Best forecast wave conditions in San Mateo
Rating
(10 max)
2
3
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
2
3
2
2
3
2
3
3
2
2
3
3
2
3
2
2
Header Global
Rating
(10 max)
6
4
4
5
8
9
5
6
7
6
6
5
5
5
5
8
6
7
5
7
5
  • 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 Princeton Breakwater Surf forecast

The above surf forecast table for Princeton Breakwater provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Princeton Breakwater can be found by selecting the local surf guide option on the grey menu. Our Princeton Breakwater 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 (Princeton Breakwater) 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 Princeton Breakwater 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.

Princeton Breakwater is 13 km (8 miles) from Millbrae. If you plan a vacation in San Mateo, look for hotels and other accommodation in Millbrae. Millbrae has rooms for a wide range of budgets as well as car hire and transport links.

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