Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle12 Day Weather and Surf, issued 9 pm Monday 24 Nov 2025 ChST
Forecast update in hr  min  s Forecast update imminent
Tank Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tank Beach sea temperature is
29.5° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Tank Beach this week:

The most powerful waves expected at Tank Beach in the next 12 days are 2.2m 10s and forecast to arrive on Wednesday (Nov 26) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1PM (Wed 26th Nov)7ft (2.2m) 10s

Table - best surf conditions forecast for Tank Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 10mm), heaviest on Tue morning. Warm (max 29°C on Mon night, min 28°C on Wed night). Mainly fresh winds.

Days 3-6 Weather Summary Heavy rain (total 45mm), heaviest during Sat night. Warm (max 29°C on Thu night, min 28°C on Thu night). Mainly fresh winds.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Mon
01
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
2.3
E
2.1
E
2.1
E
2.1
E
2.1
E
2.2
E
2.1
E
1.9
E
1.8
E
1.8
E
1.9
E
1.8
E
1.7
E
1.7
E
1.7
E
1.9
E
1.7
E
1.6
E
2.1
ESE
1.6
ESE
1.6
ESE
Period(s) (?)10101010101010109999999999789
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1013830830847813872804646556544601533461459449575439377419359405
Wind
(km/h)
30
E
20
E
25
E
30
ENE
35
ENE
30
E
30
E
25
E
30
E
30
E
30
E
30
E
25
E
25
E
25
E
30
ENE
35
SE
35
SE
30
SE
25
SE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
off
High Tide
/ height (m)
1:07PM
0.72
7:54PM
0.65
1:43PM
0.72
8:37PM
0.62
2:09PM
0.73
10:01PM
0.58
2:29PM
0.74
12:05AM
0.54
2:47PM
0.74
2:14AM
0.53
3:07PM
0.75
4:11AM
0.57
3:30PM
0.75
Low Tide
/ height (m)
4:17AM
0.10
6:08PM
0.64
4:59AM
0.13
7:34PM
0.62
5:42AM
0.16
8:32PM
0.58
6:27AM
0.21
9:06PM
0.52
7:15AM
0.28
9:40PM
0.43
8:09AM
0.36
10:15PM
0.33
9:10AM
0.44
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Mon
01
Sunrise-6:22--6:22--6:24--6:24--6:24--6:26--6:26-
Sunset--5:43--5:43--5:43--5:43--5:44--5:44--5:44
clear
thunderstorm
clear
clear
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
Rain (mm)
-3--2-41-11-31-181475--
Temp. °C292929292929292929292929292929292828282929
Feels °C (?)283130292829293029292829293030302727272930
  • 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 Tank Beach Surf forecast

The above surf forecast table for Tank Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Tank Beach can be found by selecting the local surf guide option on the grey menu. Our Tank Beach 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 (Tank Beach) 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 Tank Beach 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.

Tank Beach is 19 km (12 miles) from Saipan. If you plan a holiday in Saipan, look for hotels and other accommodation in Saipan. Saipan has rooms for a wide range of budgets as well as car hire and transport links.

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