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Surf Forecasts:
Monabe Rivermouth surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am 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 9AM is: 0.7m 9s primary swell from a East-southeast direction and 0.8m 6s secondary swell from a East-southeast direction, 0.6m 6s secondary swell from a East direction (forecast issued at 02:00am May 07). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 2.5ft (0.7m) | 9s |
| Afternoon (07 May) | 3.5ft (1.0m) | 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 22°C on Fri morning, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 11 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | |
78 | 76 | 75 | 71 | 143 | 154 | 169 | 129 | 122 | 125 | 91 | 226 | 260 | 160 | 141 | 143 | 163 | 163 | 143 | 143 | 143 | 143 | 135 | 130 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-on | on | on | glassy | off | off | off | glassy | glassy | on | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross | cross | cross-on | off | |
High Tide | 9:17PM1.49m | 7:53AM1.57m | 10:12PM1.42m | 8:31AM1.48m | 11:23PM1.39m | 9:30AM1.39m | ||||||||||||||||||
Low Tide | 2:22AM1.06m | 3:03PM0.44m | 3:07AM1.12m | 3:56PM0.53m | 4:21AM1.15m | 5:03PM0.61m | ||||||||||||||||||
 | |  | | |  | |  | |  |  | | | | | | | | | | | | | | |
 | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 17 | 21 | 21 | 21 | 20 | 19 | 18 | 18 | 19 | 20 | 22 | 22 | 19 | 14 | 13 | 14 | 14 | 17 | 19 | 20 | 18 | 15 |
15 | 15 | 16 | 21 | 21 | 22 | 23 | 20 | 19 | 19 | 21 | 22 | 23 | 18 | 15 | 11 | 10 | 11 | 10 | 13 | 15 | 17 | 17 | 12 | |
Swell 1 Height (m) Direction Period (s) | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 9 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 10 | SE 10 | ESE 10 | ESE 10 | SW 6 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 |
 kJ | 30 | 43 | 38 | 48 | 143 | 154 | 169 | 129 | 122 | 125 | 91 | 226 | 260 | 160 | 141 | 47 | 163 | 163 | 143 | 143 | 143 | 143 | 135 | 130 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 7 | SSE 7 | SE 11 | SE 11 | ESE 11 | ESE 10 | ESE 10 | — | SE 7 | SSE 7 | SSE 7 | ESE 11 | SW 6 | SSW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 5 | SW 4 |
| kJ | 78 | 76 | 75 | 71 | 36 | 48 | 30 | 19 | 46 | 42 | 71 | — | 12 | 19 | 16 | 143 | 34 | 26 | 19 | 10 | 16 | 9 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | — | SE 8 | SSE 7 | SSE 7 | — | — | — | — | — | — | — | — | — | — | — | SSE 7 | — | — | — | W 4 | NE 4 | NE 6 | NE 4 | SW 5 |
| kJ | — | 2 | 10 | 21 | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | 2 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 6 | — | — | — | — | — | — | — | — | SSW 5 | SW 5 | WSW 5 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | NNW 3 | NW 4 | — | SW 3 | — |
| kJ | — | — | — | 22 | — | — | — | — | — | — | — | — | 47 | 64 | 125 | 25 | 24 | 27 | 11 | 1 | 4 | — | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 9 | 50 | 50 | 9 | 9 | 9 | 9 | 9 | 0 | 42 | 50 | 47 | 9 | 9 | 9 | 9 | 9 | 42 | 42 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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