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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Monday 01 Jun 2026 JSTForecast update in hr min s Forecast update imminent
Amatu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Amatu sea temperature is
22.6° C
(Which is slightly warmer than usual)How big are the waves at Amatu today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 2.5ft (0.8m), 11s period with S swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 2.5ft (0.7m), 15s period with SSW swell.
- Evening surf: Evening surf (01 Jun, local time) - 2.5ft (0.8m), 12s period with S swell.
The current surf forecast for Amatu at 8AM is: 0.8m 11s primary swell from a South direction and 0.7m 10s secondary swell from a East direction, 0.8m 6s secondary swell from a Southwest direction (forecast issued at 02:00am June 01). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jun) | 2.5ft (0.8m) | 11s |
| Afternoon (01 Jun) | 2.5ft (0.7m) | 15s |
| Evening (01 Jun) | 2.5ft (0.8m) | 12s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 162mm), heaviest during Wed afternoon. Warm (max 24°C on Mon morning, min 17°C on Wed night). Winds increasing (light winds from the SW on Mon morning, near gales from the N by Wed night). | ||||||||||||||||||||||||
Monday 1 | Tuesday 2 | Wednesday 3 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 11 | S 11 | S 11 | S 11 | S 11 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SE 6 | SE 8 | SE 9 | SE 10 | SSW 16 | SSW 14 | |
160 | 195 | 151 | 149 | 146 | 196 | 183 | 177 | 372 | 222 | 373 | 697 | 530 | 642 | 394 | 816 | 292 | 209 | 301 | 1122 | 3536 | 7666 | 10109 | 4276 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | off | |
High Tide | 3:56AM1.35m | 6:25PM1.28m | 4:28AM1.35m | 7:03PM1.26m | 5:02AM1.34m | 7:41PM1.25m | ||||||||||||||||||
Low Tide | 10:45PM0.87m | 11:07AM0.02m | 11:20PM0.88m | 11:42AM0.02m | 11:56PM0.89m | 12:19PM0.05m | ||||||||||||||||||
 | |  | | | | | | |  |  | | | | | |  | |  | | | | | | |
 | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 12 | 27 | 40 | 51 | 21 | 5 | |
Temp °C | 20 | 20 | 20 | 23 | 24 | 23 | 21 | 21 | 21 | 20 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 20 | 22 | 22 | 19 |
19 | 20 | 21 | 23 | 23 | 21 | 19 | 19 | 20 | 19 | 20 | 21 | 21 | 20 | 21 | 21 | 21 | 19 | 17 | 14 | 14 | 17 | 18 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 12 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 14 | SW 16 | SW 16 | SSW 16 | SE 11 |
 kJ | 160 | 195 | 151 | 149 | 146 | 108 | 100 | 177 | 372 | 222 | 373 | 697 | 530 | 642 | 394 | 572 | 292 | 209 | 152 | 297 | 823 | 2325 | 10109 | 2772 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 11 | SW 16 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SW 15 | SW 18 | — | SW 18 | SE 11 | SSW 14 |
| kJ | 123 | 94 | 94 | 92 | 90 | 90 | 87 | 90 | 89 | 112 | 251 | 64 | 62 | 62 | 61 | 60 | 60 | 60 | 149 | 249 | — | 349 | 4483 | 4276 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 11 | SE 12 | SW 5 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SW 17 | E 10 | E 10 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SW 15 | S 13 | WSW 18 | — | — | S 12 | — |
| kJ | 21 | 20 | 23 | 22 | 99 | 196 | 183 | 168 | 140 | 65 | 89 | 21 | 21 | 20 | 20 | 20 | 20 | 113 | 4 | 216 | — | — | 1599 | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 6 | SW 6 | SW 5 | SW 5 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | S 4 | S 4 | — | SSE 5 | SSW 13 | SSE 5 | SSE 6 | SE 6 | SE 8 | SE 9 | SE 10 | — | NW 5 |
| kJ | 77 | 67 | 43 | 41 | 20 | 15 | 16 | 13 | 7 | 5 | 8 | 9 | 10 | — | 36 | 816 | 44 | 105 | 301 | 1122 | 3536 | 7666 | — | 113 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 6 | 6 | 24 | 30 | 30 | 127 | 96 | 87 | 87 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 55 | 53 | 69 | 558 | 538 | 537 | 537 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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