Surf Forecasts:
Hanamizu River surf forecast from 12 Jul 2026:
- Best quality surf: Monday 13 Jul, 6AM (local time) - 3.5ft (1.0m), 13s period, SSW swell with offshore winds.
- Most powerful swell: Monday 13 Jul, 6AM (local time) - 3.5ft (1.0m), 13s period, SSW swell with 321 kJ wave energy.
- Next surfable swell (1★+): Monday 13 Jul, 6AM (local time) - 3.5ft (1.0m), 13s period with SSW swell.
Best Forecast Surf Conditions for Hanamizu River this week:
The surf forecast for Hanamizu River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 13) at 6AM. The primary swell is predicted to be 1.0m and 13s period with a secondary swell of 0.1m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Hanamizu River in the next 16 days are 1.0m 13s and forecast to arrive on Monday (Jul 13) at 6AM. Winds are predicted to be offshore at the time the swell arrives.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 13th Jul) | 3.5ft (1.0m) 13s |
| Best Surf | 6AM (Mon 13th Jul) | 3.5ft (1.0m) 13s |
| Most Powerful | 6AM (Mon 13th Jul) | 3.5ft (1.0m) 13s |
Table - best surf conditions forecast for Hanamizu River over the next 16 days.
Alright, Rusty here. Let's take a look at what we've got for the next couple of weeks.
We're looking at a pretty bleak stretch ahead, to be honest. The forecast for Hanamizu River is a long, dry spell for surf. There's nothing worth getting wet for until we see some changes in the second week. It's going to be a lot of small, weak, and onshore slop.
We do get one brief moment that looks interesting, but it's a long way off. Let's walk through it.
The first real chance at a wave comes in on Monday morning, July 27th. Now, this is way out there, 14 days from now, so don't book the ferry just yet, but the models are hinting at something. We'll see a pulse of 3ft SSW groundswell, with a period of 11 seconds. The energy reading is moderate at 231, which is a step up from the nothing we've been seeing. It'll be a light cross-onshore breeze that morning, so it won't be perfect, but it's the best looking combo we have. Keep an eye on this one.
That little pulse holds into Tuesday morning, July 28th. Still that 3ft SSW swell, 11-second period, and the combined energy is even stronger at 354. However, the forecast calls it "marginal," and the wind is still a light cross-onshore. It's the closest thing to a standout in this forecast, but it's a long-range call with a lot of question marks.
Everything else between now and then is a write-off. For over a week, from Monday the 13th right through to Sunday the 26th of July, it's tiny, weak surf and almost always spoiled by cross-onshore winds. The waves are rarely above 2ft, the energy levels are in the double digits, and any period that's decent is just too small to matter. It's about as flat and unappealing as it gets.
The water temperature is currently 76°, which is about 2° colder than average for July. Nothing too crazy, just a little nip in the air.
So, to sum it up: the next fortnight is a patience test. If you've got to paddle out, wait for that July 27th window, but treat it as a gamble, not a guarantee.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Mon morning, min 26°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Fri morning. Warm (max 29°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
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 13 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 9 | S 4 | SSW 4 | S 5 | S 4 | SE 10 | SSW 8 | S 4 | SE 8 | ESE 12 | SE 11 | SE 9 | SE 9 | SE 8 | SE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 302 | 206 | 109 | 66 | 59 | 38 | 34 | 18 | 18 | 15 | 22 | 15 | 6 | 10 | 11 | 14 | 18 | 41 | 39 | 18 | 30 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | cross-on | cross-on | cross-off | on | cross-on | cross | on | cross-on | glassy | on | cross-on | glassy | cross | cross-on | cross | cross | on | cross-on |
High Tide | 5:21PM1.45m | 3:07AM1.51m | 5:59PM1.48m | 4:02AM1.56m | 6:34PM1.48m | 4:55AM1.57m | 7:05PM1.46m | 5:45AM1.54m | 7:33PM1.44m | 6:35AM1.46m | 7:58PM1.42m | 7:26AM1.35m | 8:23PM1.40m | ||||||||
Low Tide | 9:48AM-0.02m | 10:07PM1.09m | 10:37AM-0.09m | 10:53PM1.03m | 11:23AM-0.09m | 11:35PM0.95m | 12:05PM-0.03m | 00:17AM0.86m | 12:43PM0.08m | 1:00AM0.77m | 1:19PM0.24m | 1:45AM0.69m | 1:50PM0.42m | 2:33AM0.63m | |||||||
 | |  |  |  | | | | | | |  |  | |  | |  |  | | | | |
 | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:41 | — | — |
 | — | 6:59 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:57 | — | — | 6:57 | — | — | 6:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | — | — | 1 | 2 | — | — | — |
Temp °C | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 27 | 29 | 28 | 27 | 27 | 27 | 26 | 29 | 29 | 27 | 29 | 28 | 26 |
Feels °C | 32 | 32 | 32 | 29 | 28 | 30 | 31 | 30 | 30 | 33 | 32 | 32 | 31 | 31 | 31 | 30 | 32 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 9 | SE 9 | SSW 9 | SSW 8 | SE 10 | SSW 8 | SSW 8 | SE 9 | SSE 4 | SE 8 | SE 8 | SE 9 | SE 9 | SE 8 | SE 9 |
| kJ | 302 | 206 | 109 | 66 | 59 | 38 | 34 | 3 | 8 | 7 | 4 | 6 | 6 | 3 | 3 | 11 | 17 | 41 | 39 | 18 | 30 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 9 | SE 9 | SE 12 | SE 10 | SE 10 | SE 11 | SE 9 | SE 9 | SE 8 | SE 10 | SE 10 | SSW 8 | SE 8 | ESE 12 | SE 11 | S 8 | S 8 | S 10 | S 9 |
| kJ | 4 | 4 | 3 | 3 | 6 | 4 | 4 | 5 | 3 | 3 | 3 | 4 | 4 | 6 | 11 | 14 | 18 | 13 | 12 | 16 | 27 |
Swell 3 Height (m) Direction Period (s) | SE 13 | ESE 12 | SE 12 | SE 12 | S 15 | S 14 | — | S 13 | E 11 | S 13 | — | SE 10 | E 10 | E 10 | SW 8 | S 10 | S 9 | S 14 | S 12 | S 11 | SE 12 |
| kJ | 7 | 15 | 6 | 6 | 4 | 4 | — | 4 | 2 | 3 | — | 15 | 2 | 2 | 2 | 7 | 6 | 14 | 11 | 10 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 3 | SSW 3 | SSW 3 | S 4 | SSW 4 | S 5 | S 4 | S 4 | S 4 | S 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 3 | 3 | 2 | 18 | 18 | 15 | 22 | 8 | 6 | 10 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 43 | 0 | 43 | 77 | 77 | 77 | 104 | 77 | 77 | 77 | 77 | 104 | 104 | 62 | 69 | 62 | 10 | 10 | 62 | 19 |
Best forecast wave conditions in Kanagawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Hanamizu River Surf forecast
The above surf forecast table for Hanamizu River provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hanamizu River can be found by selecting the local surf guide option on the grey menu. Our Hanamizu River 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 (Hanamizu River) 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 Hanamizu River 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.
Hanamizu River is 1 km (1 miles) from Ninomiya. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Ninomiya. Ninomiya has rooms for a wide range of budgets as well as car hire and transport links.
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