San Juan surfForecast / West Luzon / Philippines

information circle12 Day Weather and Surf, issued 1 pm Friday 11 Jul 2025 PST
Forecast update in hr  min  s Forecast update imminent
San Juan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's San Juan sea temperature is
29.8° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for San Juan this week:

The most powerful waves expected at San Juan in the next 12 days are 0.5m 8s and forecast to arrive on Saturday (Jul 12) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 8s period and expected on Friday (Jul 11) at 5PM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Sat 12th Jul)1.5ft (0.5m) 8s

Table - best surf conditions forecast for San Juan over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Fri
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wed
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
WSW
0.1
W
0.5
W
0.4
WNW
0.4
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.3
WSW
0.3
WSW
0.5
WSW
0.1
W
0.1
W
0.4
WSW
0.4
WSW
0.1
NW
0.1
N
0.5
WSW
0.1
W
0.1
NW
0.1
NW
0.8
WSW
0.1
NW
0.1
N
0.2
N
0.2
N
0.2
N
0.7
W
0.2
N
1.1
N
1.1
N
0.8
N
0.9
WNW
0.7
NW
0.8
WNW
0.9
WNW
Period(s) (?)888777666477777488944946666410101010881110
Wave
Graph
(?)Metric surfscale
Energy (?)01291817988840110012031101155416727825919712779146173
Wind
(km/h)
15
SW
5
SSE
15
SW
5
WSW
5
SSE
10
SW
10
W
10
SSW
10
SW
10
WSW
10
SSE
10
SSW
10
WSW
10
SSW
15
SW
10
W
5
SSE
10
WSW
10
NW
5
NE
10
N
10
NNE
40
W
35
NNW
55
WNW
40
WSW
40
SW
50
W
40
WSW
35
WSW
45
WSW
40
WSW
25
SW
15
WNW
15
WSW
30
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
off
crossoffcross-
off
cross-
on
cross-
off
cross-
off
crossoffcross-
off
crosscross-
off
cross-
off
cross-
on
offcrossoncross-
on
oncross-
on
cross-
on
oncross-
on
crosscross-
off
crosscrosscrosscrosscrosscross-
off
cross-
on
crosscross-
on
High Tide
/ height (m)
9:14AM
1.09
9:54AM
1.08
10:32AM
1.03
11:10AM
0.94
11:47AM
0.81
12:18PM
0.66
4:01AM
0.62
4:09AM
0.76
4:39AM
0.90
5:20AM
1.02
6:07AM
1.11
6:57AM
1.16
Low Tide
/ height (m)
7:01PM
0.02
7:34PM
0.03
8:03PM
0.05
8:24PM
0.09
8:34PM
0.16
8:33PM
0.24
8:16PM
0.31
7:35PM
0.34
5:10PM
0.29
3:33PM
0.15
4:07PM
0.04
4:51PM
-0.03
Fri
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wed
23
Sunrise--5:31--5:31--5:33--5:33--5:33--5:33--5:33--5:33--5:35--5:35--5:35--5:35
Sunset6:35--6:35--6:35--6:35--6:35--6:35--6:35--6:35--6:35--6:34--6:34--6:34--
thunderstorm thunderstorm clearthunderstorm thunderstorm part cloudthunderstorm thunderstorm thunderstorm thunderstorm mod rainpart cloudthunderstorm thunderstorm clearthunderstorm thunderstorm thunderstorm thunderstorm part cloudthunderstorm mod rainheavy rainthunderstorm thunderstorm heavy rainthunderstorm heavy rainthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm heavy rainthunderstorm
Rain (mm)
23-48-55166-24-8124-38125651062558720615040567272392117
Temp. °C302829292829292829292829302829292829292828272727272625262727272727262728
Feels °C (?)333233343333343333333332343333333433333332302727252323272627262629263230

Short Range Forecast: Heavy rain (total 28mm), heaviest during Sat night. Warm (max 30°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 29mm), heaviest during Wed afternoon. Warm (max 30°C on Tue afternoon, min 27°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 653mm), heaviest during Sat night. Warm (max 29°C on Thu afternoon, min 25°C on Fri night). Winds increasing (calm on Thu night, near gales from the WNW by Sat afternoon).

Long Range Forecast: Heavy rain (total 683mm), heaviest during Sun afternoon. Warm (max 28°C on Wed morning, min 26°C on Sun afternoon). Winds decreasing (near gales from the W on Sun afternoon, light winds from the SSW by Tue night).

  • 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 San Juan Surf forecast

The above surf forecast table for San Juan provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at San Juan can be found by selecting the local surf guide option on the grey menu. Our San Juan 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 (San Juan) 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 San Juan 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.

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