Bang Niang Rivermouth Surf Break

Lat Long: 8.69° N 98.24° E

Bang Niang Rivermouth Surf Forecast and Surf Report

Issued: 6 pm 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Bang Niang Rivermouth sea temperature is
29.7° C
0.7° 

Bang Niang Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Bang Niang Rivermouth surf forecast from 3 Aug 2026:

  • Most powerful swell: Friday 7 Aug, 7PM (local time) - 11ft (3.5m), 9s period, WSW swell with 1,888 kJ wave energy.

Best Forecast Surf Conditions for Bang Niang Rivermouth this week:

The most powerful waves expected at Bang Niang Rivermouth in the next 16 days are 3.5m 9s and forecast to arrive on Friday (Aug 07) at 7PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 7PM (Fri 7th Aug)11ft (3.5m) 9s

Table - best surf conditions forecast for Bang Niang Rivermouth over the next 16 days.


Short Range Forecast

Heavy rain (total 118mm), heaviest during Tue night. Warm (max 29°C on Mon afternoon, min 26°C on Mon night). Mainly fresh winds.

Days 5-7 Weather Summary

Heavy rain (total 145mm), heaviest during Fri morning. Warm (max 28°C on Thu afternoon, min 25°C on Thu night). Mainly fresh winds.

Mon
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
14
0.9
WSW
9
2
WSW
8
2.2
WSW
8
2.1
WSW
8
2.5
WSW
8
2.3
WSW
8
2.5
WSW
8
2.5
WSW
8
2.5
WSW
8
3
WSW
8
3
WSW
9
3.5
WSW
9
3.5
WSW
9
2.5
WSW
9
2.5
WSW
9
2.3
WSW
9
2.4
WSW
8
2.5
WSW
9
2.4
WSW
9
Wave Graph
Metric surfscale
Energy kJ
54
131
439
715
572
785
666
808
979
931
1089
1449
1755
1780
1121
1101
809
840
998
878
Wind (km/h)
15
SSW
15
SW
15
SW
15
SW
20
SW
25
SW
25
SW
25
SW
25
SW
25
SW
25
SW
20
SW
30
SW
30
SW
25
SW
25
SW
25
SW
25
SW
25
SW
20
SW
Wind State
cross-on
cross-on
on
cross-on
on
cross-on
on
on
cross-on
on
cross-on
cross-on
on
on
cross-on
cross-on
on
on
on
on
High Tide
1:15AM2.31m
1:20PM2.26m
1:54AM2.23m
2:00PM2.07m
2:41AM2.12m
2:52PM1.86m
3:46AM1.99m
4:10PM1.66m
5:16AM1.92m
6:03PM1.58m
6:54AM1.99m
7:43PM1.70m
Low Tide
7:06PM0.17m
7:22AM0.41m
7:39PM0.27m
8:04AM0.53m
8:18PM0.40m
8:56AM0.68m
9:08PM0.57m
10:10AM0.82m
10:21PM0.74m
12:06PM0.84m
00:14AM0.79m
1:50PM0.67m
1:51AM0.67m
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:46
6:46
6:46
6:45
6:45
6:45
 mm
3
13
2
31
17
13
28
11
8
36
33
12
20
9
4
15
8
10
21
Temp °C
29
28
28
29
27
28
28
27
28
28
27
26
27
27
28
28
28
28
28
28
Feels °C
32
32
30
31
30
29
29
27
29
29
28
28
27
27
28
29
29
29
29
29
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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