Surf Forecasts:
Shichirigahama surf forecast from 23 Jul 2026:
- Most powerful swell: Monday 27 Jul, 9PM (local time) - 2.5ft (0.7m), 6s period, SSW swell with 34 kJ wave energy.
Best Forecast Surf Conditions for Shichirigahama this week:
The most powerful waves expected at Shichirigahama in the next 16 days are 0.7m 6s and forecast to arrive on Monday (Jul 27) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (Jul 28) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Mon 27th Jul) | 2.5ft (0.7m) 6s |
Table - best surf conditions forecast for Shichirigahama over the next 16 days.
The Lowdown
Alright, grab a seat. This is Rusty, and I’ve got the lowdown for the local stretch at Shichirigahama (Japan). Let’s be straight with you – for the next week and a half, it’s a tough slog. The surf is flat, tiny, or just plain messy. We’ve got a long, quiet gap from now until around the 4th of August where there’s nothing worth paddling out for. The water temp is sitting at 81°, which is a touch warmer than normal for this time of year, so you’ll be comfortable just sitting out there waiting for nothing.
Looking at the charts, the first real sign of life doesn’t show up until Tuesday the 4th of August. Even then, it’s average at best. The morning sees a 6 ft swell coming from the SE, but the wind is light and onshore, making it a bit of a struggle. The combined energy is a solid 2423, so there’s power, but the conditions are just marginal. The afternoon is worse with a cross-onshore wind chopping it up.
Now, the standout window is Wednesday the 5th of August through Thursday the 6th of August. The swell holds steady around 6 ft to 7 ft from the SE, with a period of 15 to 16 seconds – that’s a proper long-period groundswell. For a river mouth setup like this, that long period can make the waves a bit too straight and fast, but the energy is pumping (1672 to 1875). The real kicker is the wind. On Wednesday morning, we get a light cross-offshore breeze from the ENE, making for clean, lined-up waves. It’s not huge, but it’s the best we’ll see. This is for experienced surfers only, as 6 ft to 7 ft is a solid step up. Expect crowds *sometimes* at this spot.
Thursday afternoon looks even better on paper – glassy conditions with a 7 ft SE swell. That’s the pick of the whole period. The energy is high (1875), and with the wind dropping to glass, it’ll be as clean as it gets. After that, Friday the 7th of August gets a bit wild. We’ve got a strong offshore wind (25-28 mph) from the NNE, which will be clean but brutal. The swell drops to 6 ft to 7 ft, and the wind is so strong it’ll make paddling a real mission. Hard to recommend unless you’re a glutton for punishment.
So, to wrap it up: the first 11 days are a write-off. The best chance for a decent session is Thursday the 6th of August in the afternoon when the swell is 7 ft, the wind is glassy, and the energy is big. Wednesday morning is a solid backup. Don’t bother before then.
Rusty.
Short Range ForecastModerate rain (total 19mm), heaviest on Sat night. Warm (max 32°C on Thu morning, min 24°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 22mm), heaviest during Tue afternoon. Warm (max 29°C on Mon morning, min 22°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||
AM | PM | 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) | SSW 6 | SSW 6 | SSE 10 | SSE 9 | SSE 9 | SE 11 | SE 10 | SE 10 | SSE 15 | SE 15 | SE 11 | SE 11 | SE 10 | S 6 | S 6 | SSW 9 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 12 | 12 | 12 | 11 | 18 | 15 | 15 | 22 | 8 | 18 | 20 | 16 | 24 | 23 | 15 | 29 | 22 | 22 | 13 | 13 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross | on | cross-on | glassy | on | cross-off | glassy | on | glassy | off | cross-on | cross-off | off | off | off | off | cross-off | cross-off |
High Tide | 10:41PM1.37m | 5:19PM1.20m | 11:42PM1.34m | 5:07PM1.30m | 00:58AM1.34m | 5:24PM1.37m | 2:08AM1.37m | 5:41PM1.41m | 3:05AM1.42m | 5:56PM1.43m | 3:53AM1.46m | 6:11PM1.44m | |||||||||
Low Tide | 7:24AM0.41m | 6:26PM1.19m | 8:29AM0.31m | 8:49PM1.21m | 9:20AM0.21m | 9:49PM1.18m | 10:02AM0.15m | 10:26PM1.13m | 10:37AM0.11m | 10:54PM1.05m | 11:09AM0.11m | 11:20PM0.96m | |||||||||
 | |  | | |  | | |  |  |  | | | |  |  |  | | | | | |
 | 4:43 | — | — | 4:43 | — | — | 4:43 | — | — | 4:45 | — | — | 4:46 | — | — | 4:47 | — | — | 4:47 | — | — |
 | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — | — | 6:47 | — |
mm | — | — | — | — | — | — | — | — | 19 | — | 3 | 2 | — | — | 4 | 5 | 8 | — | — | — | — |
Temp °C | 32 | 31 | 29 | 28 | 28 | 27 | 28 | 28 | 27 | 26 | 27 | 28 | 29 | 29 | 26 | 22 | 22 | 22 | 25 | 27 | 24 |
Feels °C | 35 | 33 | 34 | 32 | 30 | 30 | 32 | 31 | 30 | 29 | 31 | 33 | 32 | 30 | 28 | 22 | 23 | 22 | 25 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SE 10 | S 5 | S 7 | SSW 7 | SE 11 | SE 10 | SE 10 | SE 10 | SE 15 | SE 11 | S 9 | S 5 | SSW 8 | S 6 | SSW 6 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 |
| kJ | 12 | 4 | 2 | 4 | 5 | 18 | 15 | 15 | 15 | 8 | 18 | 14 | 14 | 14 | 23 | 11 | 29 | 22 | 22 | 13 | 13 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | S 8 | SSE 10 | SSE 9 | SSE 9 | SSE 3 | SE 16 | SE 16 | SSE 15 | SE 11 | SE 15 | SE 11 | SSW 8 | SE 10 | SSW 8 | SSW 9 | SE 10 | SE 10 | SE 10 | SE 9 | — |
| kJ | 10 | 1 | 9 | 8 | 8 | 1 | 10 | 10 | 22 | 5 | 8 | 18 | 14 | 16 | 14 | 15 | 15 | 4 | 4 | 3 | — |
Swell 3 Height (m) Direction Period (s) | SE 19 | S 19 | SE 18 | SE 18 | SE 17 | SE 16 | S 7 | S 7 | S 3 | SE 9 | S 9 | SSE 14 | SE 10 | SE 14 | SE 10 | SSE 10 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 |
| kJ | 15 | 7 | 12 | 12 | 11 | 10 | 1 | 1 | 1 | 3 | 2 | 20 | 16 | 8 | 16 | 9 | 7 | 7 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | SSW 6 | — | — | S 2 | SE 3 | — | S 2 | ESE 4 | — | S 3 | SSW 3 | — | S 6 | — | NE 3 | — | — | — | — | — |
| kJ | — | 12 | — | — | 1 | 3 | — | 1 | 2 | — | 2 | 1 | — | 24 | — | 2 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 54 | 54 | 78 | 22 | 34 | 20 | 22 | 54 | 20 | 22 | 3 | 20 | 42 | 54 | 54 | 4 | 34 | 54 | 483 | 54 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Shichirigahama Surf forecast
The above surf forecast table for Shichirigahama provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Shichirigahama can be found by selecting the local surf guide option on the grey menu. Our Shichirigahama 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 (Shichirigahama) 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 Shichirigahama 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.
Shichigahama is 6 km (4 miles) from the city of Chigasaki. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Chigasaki. Chigasaki has rooms for a wide range of budgets as well as car hire and transport links.
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