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San Juan surfForecast / West Luzon / Philippines
12 Day Weather and Surf, issued 7 am Saturday 19 Jul 2025 PST
Best Forecast Surf Conditions for San Juan this week:
The surf forecast for San Juan over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 20) at 2AM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 0.8m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at San Juan in the next 12 days are 3.5m 9s and forecast to arrive on Thursday (Jul 24) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 11s period and expected on Friday (Jul 25) at 11AM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 20th Jul) | 5.5ft (1.7m) 9s |
| Best Surf | 2AM (Sun 20th Jul) | 5.5ft (1.7m) 9s |
| Most Powerful | 8AM (Thu 24th Jul) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for San Juan over the next 12 days.
Short Range Forecast Heavy rain (total 176mm), heaviest during Sat morning. Warm (max 28°C on Sun morning, min 26°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat morning, light winds from the S by Mon night). | Days 3-6 Weather Summary Heavy rain (total 649mm), heaviest during Wed afternoon. Warm (max 27°C on Tue morning, min 26°C on Tue afternoon). Winds increasing (light winds from the W on Tue night, strong winds from the SSW by Thu night). | ||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 9 | 8 | 10 | 11 | 11 | 10 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 7 | 11 | 10 | 7 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 57 | 61 | 567 | 102 | 47 | 0 | 12 | 24 | 250 | 163 | 561 | 517 | 1022 | 1044 | 1646 | 65 | 63 | 45 | 176 | 59 | 54 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:39AM 0.90 | 5:20AM 1.02 | 6:07AM 1.11 | 6:57AM 1.16 | 7:47AM 1.18 | 8:36AM 1.16 | |||||||||||||||
Low Tide / height (m) | 5:10PM 0.29 | 3:33PM 0.15 | 4:07PM 0.04 | 4:51PM -0.03 | 5:36PM -0.06 | 6:22PM -0.04 | 7:03PM -0.00 | ||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||
| Sunrise | 5:33 | - | - | 5:35 | - | - | 5:35 | - | - | 5:35 | - | - | 5:35 | - | - | 5:35 | - | - | 5:35 | - | - |
| Sunset | - | 6:35 | - | - | 6:34 | - | - | 6:34 | - | - | 6:34 | - | - | 6:34 | - | - | 6:32 | - | - | 6:32 | - |
 | |  | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | 41 | 26 | 19 | 9 | 10 | 15 | 8 | 13 | 35 | 23 | 30 | 53 | 98 | 175 | 117 | 21 | 55 | 77 | 6 | 5 | 10 |
| Temp. °C | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 27 |
| Feels °C (?) | 28 | 28 | 29 | 29 | 30 | 29 | 29 | 30 | 30 | 29 | 30 | 30 | 27 | 25 | 27 | 30 | 27 | 26 | 26 | 28 | 26 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for West Luzon
Offshore wind reported 168 km from San Juan (fresh winds from the S at Laoag International Airport 168 km from San Juan). 0.7m 8s swell from the N
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our San Juan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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