Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle16 Day Weather and Surf, issued 9 pm Wednesday 08 Apr 2026 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
28.2° C
(Which is 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 16 days are 4.5m 11s and forecast to arrive on Saturday (Apr 11) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 14s period and expected on Wednesday (Apr 15) at 7PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4PM (Sat 11th Apr)15ft (4.5m) 11s

Table - best surf conditions forecast for Tank Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 27°C on Wed night, min 26°C on Wed night). Winds increasing (fresh winds from the ENE on Wed night, near gales from the NE by Sat afternoon).

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Sat night. Warm (max 28°C on Sun night, min 26°C on Sat night). Winds decreasing (near gales from the E on Sun afternoon, fresh winds from the SE by Tue afternoon).

Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wed
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
E
2.5
ENE
2.5
ENE
3
ENE
3.5
ENE
3.5
ENE
3.5
ENE
4
ENE
4.5
ENE
4
ENE
4
ENE
4.5
E
3.5
E
3
E
2.4
E
2.4
E
2.4
ESE
1.8
E
1.5
ENE
1.6
E
1.5
E
Period(s) (?)1010101010111111111010101099888999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5861348151019622810303031103488415335623488351322901372896802695428307389328
Wind
(km/h)
35
ENE
35
NE
35
NE
40
NE
45
NE
40
NE
45
NE
45
NE
50
NE
50
NE
60
ENE
55
ENE
55
ESE
50
ESE
45
ESE
45
ESE
45
SE
35
SE
35
SE
35
SE
30
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross
High Tide
/ height (m)
2:55AM
0.66
9:36AM
0.63
3:52AM
0.66
10:23AM
0.62
4:32AM 11:44AM
0.68 0.60
4:59AM
0.69
Low Tide
/ height (m)
7:14AM
0.62
6:51PM
0.18
8:46AM
0.61
7:46PM
0.19
9:45AM
0.60
8:39PM
0.20
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wed
15
Sunrise-6:07--6:05--6:05--6:05--6:03--6:03--6:03-
Sunset--6:30--6:30--6:30--6:30--6:30--6:30--6:30
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
clear
Rain (mm)
--------37453222-11--
Temp. °C272727272627272726272727282827272727272727
Feels °C (?)252425242124242321232222232424242526262626
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 16 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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