Surf Forecasts:
Suruga Bay surf forecast from 12 Aug 2026:
- Best quality surf: Friday 14 Aug, 3AM (local time) - 2.5ft (0.7m), 9s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 12AM (local time) - 5ft (1.5m), 10s period, E swell with 405 kJ wave energy.
- Next surfable swell (1★+): Friday 14 Aug, 3AM (local time) - 2.5ft (0.7m), 9s period with SSW swell.
Best Forecast Surf Conditions for Suruga Bay this week:
The surf forecast for Suruga Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 14) at 3AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.3m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Suruga Bay in the next 16 days are 1.5m 10s and forecast to arrive on Monday (Aug 17) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Fri 14th Aug) | 2.5ft (0.7m) 9s |
| Best Surf | 3AM (Fri 14th Aug) | 2.5ft (0.7m) 9s |
| Most Powerful | 12AM (Mon 17th Aug) | 5ft (1.5m) 10s |
Table - best surf conditions forecast for Suruga Bay over the next 16 days.
The Lowdown
G’day, Rusty here. Look, I’ve scanned the charts for Suruga Bay, and honestly, it’s a tough stretch ahead. We’ve got a long, quiet run with mostly small, weak, and messy waves. The water temp is sitting about average for this time of year, nothing special. The first real glimmer of hope doesn't show up until Thursday, August 20th, and even that’s pretty ordinary.
From now through the middle of next week, it’s a write-off. The swell is tiny, often under 2ft, periods are short, and the energy is weak (mostly under 200). Winds are either cross or cross-on, making for chop and poor conditions. You’ll be staring at a flat ocean for days. Friday, August 21st and Saturday, August 22nd mornings offer a slight improvement with glassy conditions, but the waves are still small and weak – surfable, but nothing to get excited about. The combined energy maxes out around 184, so it’s feeble.
Now, here’s the standout. If you’ve got patience and a big board, mark Tuesday, August 25th on your calendar. The morning session brings a proper surge of energy: a 10ft SSE swell with a very long period of 17 seconds, pushing the combined energy to a massive 4573. That’s serious groundswell. The wind is light and cross-on, so it won’t be perfect, but it’s the only real swell in the window. This is big, powerful stuff – definitely for experienced surfers only. That long period will make it wall up and break with serious punch, but it could be a bit tricky at a beach break. A point or reef would handle it better. The afternoon sees it drop off a bit, but still solid. The rest of the week after that fades back to small, weak conditions.
So, bottom line: don’t bother until the 25th. That’s your one shot. Everything else is a flat, frustrating wait.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Thu afternoon. Warm (max 29°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Sun morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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) | SW 10 | SSW 10 | SW 10 | SSW 9 | SSW 9 | SSW 9 | S 12 | SSW 11 | SSW 10 | ESE 10 | SSW 10 | SSW 9 | E 10 | ESE 10 | ESE 10 | ESE 10 | SSW 8 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 50 | 86 | 47 | 75 | 65 | 64 | 44 | 123 | 102 | 378 | 71 | 65 | 405 | 59 | 39 | 38 | 21 | 21 | 21 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | on | cross | cross | on | cross | cross | on | cross | cross | on | cross | cross | on | cross-on | on | cross-on | glassy |
High Tide | 4:58AM1.66m | 6:11PM1.68m | 5:35AM1.70m | 6:33PM1.72m | 6:13AM1.71m | 6:57PM1.75m | 6:53AM1.68m | 7:24PM1.76m | 7:35AM1.61m | 7:54PM1.75m | 8:21AM1.51m | 8:26PM1.70m | |||||||
Low Tide | 11:35PM0.94m | 11:43AM0.31m | 00:01AM0.83m | 12:10PM0.34m | 00:30AM0.73m | 12:39PM0.39m | 1:04AM0.65m | 1:08PM0.48m | 1:41AM0.59m | 1:39PM0.59m | 2:23AM0.57m | 2:11PM0.73m | |||||||
 |  |  |  | | | |  | | | | |  | | | | | | | |
 | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — |
 | 6:38 | — | 6:37 | — | — | 6:37 | — | — | 6:36 | — | — | 6:35 | — | — | 6:32 | — | — | 6:31 | — |
mm | — | — | 1 | 1 | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 29 | 29 | 26 | 29 | 29 | 27 | 27 | 28 | 26 | 28 | 28 | 26 | 28 | 28 | 26 | 26 | 27 | 26 |
Feels °C | 27 | 30 | 32 | 30 | 30 | 31 | 30 | 28 | 29 | 28 | 29 | 29 | 27 | 28 | 29 | 28 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | S 9 | SSW 10 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 11 | SSW 10 | SSW 9 | SSW 10 | SSW 9 | ESE 10 | ESE 10 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 |
| kJ | 45 | 86 | 41 | 75 | 65 | 64 | 44 | 123 | 102 | 86 | 71 | 65 | 65 | 59 | 24 | 22 | 21 | 21 | 21 |
Swell 2 Height (m) Direction Period (s) | SW 10 | S 5 | SW 10 | ESE 10 | ESE 10 | SE 11 | S 12 | SSE 8 | ESE 9 | ESE 10 | ESE 10 | SE 12 | S 9 | S 9 | ESE 10 | ESE 10 | SE 9 | SW 8 | SE 10 |
| kJ | 50 | 13 | 47 | 20 | 22 | 5 | 42 | 14 | 9 | 65 | 36 | 5 | 40 | 38 | 39 | 38 | 13 | 11 | 14 |
Swell 3 Height (m) Direction Period (s) | S 5 | ESE 10 | E 10 | S 12 | SE 11 | — | S 8 | — | SE 10 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SW 9 | SE 10 | SW 8 |
| kJ | 13 | 10 | 8 | 25 | 5 | — | 5 | — | 4 | 6 | 5 | 19 | 5 | 4 | 5 | 4 | 3 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 3 | E 4 | ESE 5 | — | — | E 10 | ESE 4 | ESE 10 | ESE 5 | ESE 10 | — | ESE 10 | E 10 | — | — | — | — | — | — |
| kJ | 3 | 16 | 4 | — | — | 54 | 4 | 55 | 18 | 378 | — | 57 | 405 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 100 | 15 | 149 | 15 | 15 | 149 | 100 | 135 | 103 | 136 | 15 | 103 | 100 | 15 | 103 | 100 | 15 | 103 | 8 |
Best forecast wave conditions in Shizuoka | |||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Suruga Bay Surf forecast
The above surf forecast table for Suruga Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Suruga Bay can be found by selecting the local surf guide option on the grey menu. Our Suruga Bay 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 (Suruga Bay) 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 Suruga Bay 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.
Suruga Bay is 6 km (4 miles) from the city of Sagara. If you plan a holiday in Shizuoka, look for hotels and other accommodation in Sagara. Sagara has rooms for a wide range of budgets as well as car hire and transport links.
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