Surf Forecasts:
Bang Niang Rivermouth surf forecast from 3 Nov 2026:
- Best quality surf: Friday 13 Nov, 10PM (local time) - 5ft (1.5m), 7s period, SW swell with glassy winds.
- Most powerful swell: Saturday 14 Nov, 1AM (local time) - 5ft (1.6m), 10s period, SW swell with 456 kJ wave energy.
- Next surfable swell (1★+): Thursday 5 Nov, 1AM (local time) - 0.5ft (0.2m), 20s period with WSW swell.
Best Forecast Surf Conditions for Bang Niang Rivermouth this week:
The surf forecast for Bang Niang Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Nov 05) at 1AM. The primary swell is predicted to be 0.2m and 20s period with a secondary swell of 0.1m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Bang Niang Rivermouth in the next 16 days are 1.6m 10s and forecast to arrive on Saturday (Nov 14) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Tuesday (Nov 10) at 10PM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Thu 5th Nov) | 0.5ft (0.2m) 20s |
| Best Surf | 10PM (Fri 13th Nov) | 5ft (1.5m) 7s |
| Most Powerful | 1AM (Sat 14th Nov) | 5ft (1.6m) 10s |
Table - best surf conditions forecast for Bang Niang Rivermouth over the next 16 days.
Short Range ForecastModerate rain (total 18mm), heaviest on Mon night. Warm (max 29°C on Tue morning, min 26°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 31mm), heaviest during Sun afternoon. Warm (max 30°C on Sat morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | |||||||||||||||
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) | WSW 12 | SW 12 | SW 12 | SW 21 | SW 21 | WSW 20 | SW 19 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 17 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 14 | 6 | 5 | 18 | 18 | 37 | 15 | 50 | 49 | 42 | 66 | 66 | 47 | 34 | 79 | 35 | 32 | 32 | 29 | 28 | 28 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | cross-off | glassy | cross-on | off | glassy | on | off | glassy | glassy | cross-off | glassy | glassy | off | off | off | off |
High Tide | 4:44AM1.83m | 6:09PM1.72m | 6:16AM1.88m | 7:14PM1.92m | 7:19AM1.98m | 7:58PM2.12m | 8:07AM2.08m | 8:34PM2.29m | 8:46AM2.15m | 9:06PM2.41m | 9:20AM2.19m | 9:36PM2.49m | 9:53AM2.20m | 10:06PM2.52m | |||||||
Low Tide | 11:43AM0.72m | 00:15AM0.93m | 12:57PM0.61m | 1:27AM0.75m | 1:47PM0.48m | 2:17AM0.57m | 2:27PM0.38m | 2:56AM0.41m | 3:00PM0.30m | 3:31AM0.28m | 3:31PM0.26m | 4:03AM0.21m | 4:01PM0.24m | ||||||||
 |  |  |  | |  | | | | | | |  | | | | | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:02 | — | — | 6:02 | — |
mm | 1 | 3 | — | — | 3 | 1 | 1 | 6 | 5 | 2 | 5 | 3 | — | 5 | 1 | 1 | 9 | — | — | 7 | — |
Temp °C | 29 | 28 | 27 | 29 | 28 | 27 | 29 | 29 | 28 | 29 | 29 | 27 | 30 | 28 | 27 | 30 | 29 | 27 | 31 | 29 | 26 |
Feels °C | 32 | 32 | 31 | 33 | 32 | 31 | 34 | 33 | 33 | 34 | 33 | 31 | 32 | 32 | 31 | 34 | 33 | 31 | 35 | 32 | 29 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | SW 12 | SW 12 | SW 11 | SW 21 | WSW 20 | SW 19 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 17 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 |
| kJ | 14 | 6 | 5 | 5 | 18 | 37 | 15 | 50 | 49 | 42 | 66 | 66 | 47 | 34 | 79 | 35 | 32 | 32 | 29 | 28 | 28 |
Swell 2 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | SW 21 | SW 11 | SW 11 | SW 11 | W 10 | W 8 | W 8 | WNW 7 | W 7 | SW 15 | SW 18 | W 6 | — | — | SW 8 | SW 7 | SW 7 | — |
| kJ | 1 | 1 | 1 | 18 | 5 | 5 | 5 | 2 | 5 | 4 | 5 | 1 | 8 | 12 | 1 | — | — | 2 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | W 5 | W 5 | W 5 | W 6 | W 6 | — | N 5 | — | — | — | SW 20 | — | W 6 | NW 6 | — | W 9 | SW 8 | — | — | SE 4 | W 7 |
| kJ | 1 | 1 | 1 | 1 | 1 | — | 1 | — | — | — | 15 | — | 1 | 1 | — | 2 | 3 | — | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 5 | — | — | — | — | — | — | NE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 744 | 691 | 680 | 680 | 680 | 0 | 68 | 68 | 0 | 0 | 671 | 0 | 0 | 0 | 0 | 68 | 680 | 659 | 68 | 68 | 68 |
Best forecast wave conditions in Andaman Sea | |||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bang Niang Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Bang Niang Rivermouth Surf forecast
The above surf forecast table for Bang Niang Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bang Niang Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Bang Niang Rivermouth 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 (Bang Niang Rivermouth) 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 Bang Niang Rivermouth 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.
Bang Niang Rivermouth is 87 km (54 miles) from Kathu. If you plan a holiday in Andaman Sea, look for hotels and other accommodation in Kathu. Kathu has rooms for a wide range of budgets as well as car hire and transport links.
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