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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Thursday 30 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Choshi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Choshi sea temperature is
17.9° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 5AM is: 1.7m 7s primary swell from a Southeast direction and 0.2m 13s secondary swell from a East-northeast direction, 0.2m 8s secondary swell from a East-northeast direction (forecast issued at 08:00pm April 30). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 8ft (2.4m) | 8s |
| Afternoon (01 May) | 7.5ft (2.3m) | 9s |
| Evening (01 May) | 8ft (2.4m) | 9s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 34mm), heaviest during Fri morning. Warm (max 22°C on Sat morning, min 15°C on Fri night). Winds decreasing (strong winds from the SE on Fri morning, light winds from the SW by Sat afternoon). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sunday 3 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 5 | ESE 4 | ESE 5 | SE 6 | SE 7 | SE 8 | SE 9 | SSE 9 | SSE 10 | S 9 | S 9 | S 10 | S 11 | S 11 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 9 | ESE 10 | |
20 | 33 | 97 | 223 | 292 | 681 | 952 | 808 | 1150 | 929 | 342 | 325 | 295 | 160 | 88 | 88 | 94 | 98 | 166 | 163 | 105 | 105 | 225 | 71 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | |
High Tide | 3:55PM1.12m | 3:02AM1.23m | 4:36PM1.13m | 3:25AM1.26m | 5:14PM1.13m | 3:49AM1.28m | ||||||||||||||||||
Low Tide | 9:19PM0.55m | 9:53AM0.04m | 9:50PM0.60m | 10:24AM-0.02m | 10:21PM0.65m | 10:54AM-0.05m | ||||||||||||||||||
 |  |  | |  |  |  | |  |  | | | | | | |  |  | | | | | | | |
 | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 | — | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | 6:23 |
— | — | 1 | 2 | 3 | 9 | 15 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 16 | 17 | 17 | 17 | 19 | 18 | 20 | 18 | 16 | 15 | 15 | 18 | 22 | 22 | 21 | 19 | 18 | 18 | 18 | 20 | 21 | 20 |
13 | 13 | 11 | 12 | 12 | 9 | 13 | 14 | 15 | 9 | 12 | 10 | 9 | 12 | 17 | 17 | 19 | 17 | 15 | 14 | 14 | 19 | 19 | 13 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 13 | ENE 13 | ENE 13 | ESE 9 | ENE 12 | ESE 10 | S 9 | S 10 | S 11 | S 11 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 5 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 13 | 6 | 6 | 6 | 17 | 17 | 16 | 238 | 14 | 166 | 342 | 325 | 295 | 160 | 88 | 88 | 94 | 98 | 8 | 163 | 105 | 105 | 142 | 71 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | E 13 | NE 14 | ENE 13 | ENE 8 | NE 8 | NE 13 | ENE 12 | — | ENE 12 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | S 8 | SSE 8 | S 11 | S 5 | — | S 7 | NE 11 | ESE 4 | ENE 10 | NE 10 |
| kJ | 6 | 4 | 7 | 17 | 6 | 3 | 57 | 15 | — | 14 | 231 | 175 | 124 | 94 | 42 | 12 | 9 | 12 | — | 50 | 4 | 9 | 10 | 4 |
Swell 3 Height (m) Direction Period (s) | SE 9 | E 11 | E 11 | — | NE 10 | NE 10 | — | — | — | — | ENE 12 | ENE 11 | ENE 11 | ENE 11 | S 11 | S 11 | ENE 11 | ENE 11 | N 4 | NNE 4 | NNE 4 | NE 10 | ENE 10 | NE 10 |
| kJ | 3 | 2 | 3 | — | 4 | 4 | — | — | — | — | 13 | 13 | 12 | 12 | 39 | 21 | 12 | 12 | 3 | 6 | 3 | 4 | 10 | 4 |
Wind waves Height (m) Direction Period (s) | E 5 | ESE 4 | ESE 5 | SE 6 | SE 7 | SE 8 | SE 9 | SSE 9 | SSE 10 | S 9 | WNW 4 | — | W 2 | WNW 3 | W 3 | SSW 5 | S 5 | — | ESE 10 | — | E 4 | SSE 5 | SE 9 | S 5 |
| kJ | 20 | 33 | 97 | 223 | 292 | 681 | 952 | 808 | 1150 | 929 | 3 | — | 2 | 5 | 5 | 35 | 33 | — | 166 | — | 10 | 35 | 225 | 66 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1007 | 933 | 206 | 159 | 121 | 115 | 115 | 121 | 609 | 609 | 609 | 609 | 37 | 37 | 52 | 170 | 37 | 55 | 56 | 71 | 71 | 52 | 207 | 2194 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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