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Surf Forecasts:
Monabe Rivermouth surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Thursday 07 May 2026 JSTForecast update in hr min s Forecast update imminent
Monabe Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Monabe Rivermouth sea temperature is
21.3° C
(Which is slightly warmer than usual)How big are the waves at Monabe Rivermouth today?
The current surf forecast for Monabe Rivermouth at 11PM is: 1.0m 8s primary swell from a Southeast direction and 0.4m 11s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 07). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | - | - |
| Afternoon (07 May) | 3ft (0.9m) | 9s |
| Evening (07 May) | 3.5ft (1.1m) | 8s |
Table - waves today at Monabe Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Fri afternoon, min 12°C on Sat night). Winds increasing (calm on Thu afternoon, fresh winds from the W by Fri afternoon). | ||||||||||||||||||||||||
Thu 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 7 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | |
143 | 143 | 169 | 129 | 122 | 86 | 234 | 226 | 200 | 163 | 141 | 143 | 163 | 163 | 163 | 163 | 163 | 160 | 151 | 145 | 145 | 142 | 148 | 145 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | glassy | off | off | glassy | glassy | glassy | cross-on | cross | cross-off | off | off | off | off | cross-off | cross-on | cross-on | glassy | off | off | off | off | glassy | |
High Tide | 10:12PM1.42m | 8:31AM1.48m | 11:23PM1.39m | 9:30AM1.39m | 00:40AM1.41m | |||||||||||||||||||
Low Tide | 3:07AM1.12m | 3:56PM0.53m | 4:21AM1.15m | 5:03PM0.61m | 6:14AM1.12m | |||||||||||||||||||
 | | |  |  | |  | | | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — |
 | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | 6:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 20 | 19 | 18 | 18 | 19 | 20 | 22 | 23 | 19 | 14 | 13 | 14 | 13 | 17 | 19 | 19 | 18 | 15 | 14 | 13 | 12 | 18 |
21 | 22 | 22 | 20 | 19 | 19 | 21 | 22 | 22 | 18 | 15 | 10 | 10 | 10 | 10 | 14 | 15 | 16 | 17 | 13 | 11 | 11 | 9 | 16 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 7 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
 kJ | 143 | 143 | 169 | 129 | 122 | 86 | 234 | 226 | 200 | 163 | 141 | 143 | 163 | 163 | 163 | 163 | 163 | 160 | 151 | 145 | 145 | 142 | 148 | 145 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SE 11 | SE 11 | ESE 10 | ESE 10 | S 6 | — | SSE 7 | SSE 7 | SSE 7 | SW 6 | SW 5 | NE 6 | SW 6 | SW 6 | NE 5 | SW 6 | SW 5 | SW 5 | SW 4 | SW 4 | ESE 11 | ENE 3 |
| kJ | 36 | 48 | 30 | 30 | 42 | 71 | 12 | — | 18 | 19 | 18 | 32 | 14 | 1 | 9 | 9 | 1 | 5 | 1 | 1 | 3 | 2 | 75 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSE 6 | — | NE 6 | W 5 | W 3 | NE 5 | WSW 2 | — | — | — | — | SW 4 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 8 | — | 1 | 2 | 2 | 1 | 1 | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 4 | SW 5 | SW 5 | WSW 5 | WNW 4 | WNW 4 | WSW 5 | W 3 | WNW 4 | SW 6 | — | SW 3 | SW 4 | SW 4 | — | — | NE 4 |
| kJ | — | — | — | — | — | — | — | 13 | 21 | 84 | 83 | 14 | 8 | 20 | 3 | 5 | 6 | — | 4 | 4 | 4 | — | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 96 | 50 | 9 | 9 | 9 | 9 | 0 | 0 | 42 | 50 | 9 | 9 | 9 | 9 | 9 | 9 | 42 | 42 | 9 | 9 | 9 | 9 | 0 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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