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Surf Forecasts:

Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle12 Day Weather and Surf, issued 9 am Tuesday 03 Feb 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
28.3° C
 (Which is 1.0°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Tank Beach this week:

The surf forecast for Tank Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Feb 09) at 4PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.8m and 12s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Tank Beach in the next 12 days are 3.0m 10s and forecast to arrive on Tuesday (Feb 10) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 9s period and expected on Monday (Feb 09) at 1PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Mon 9th Feb)2.5ft (0.8m) 12s
Best Surf 4PM (Mon 9th Feb)2.5ft (0.8m) 12s
Most Powerful 1PM (Tue 10th Feb)10ft (3.0m) 10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 30mm), heaviest during Tue night. Warm (max 28°C on Tue afternoon, min 26°C on Tue night). Mainly fresh winds.

Days 3-6 Weather Summary Heavy rain (total 67mm), heaviest during Sat night. Warm (max 27°C on Fri morning, min 24°C on Sat night). Mainly fresh winds.

Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
2
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
ENE
1.5
ENE
1.2
ENE
1
ESE
1.2
N
2.3
NE
2.1
ENE
1.3
ESE
1.7
E
1.6
E
1.5
E
1.6
E
1.8
E
1.7
E
1.7
ESE
1.6
ESE
1.4
ESE
1.4
ESE
1.6
SE
0.8
NE
1.4
NNW
Period(s) (?)8889888989999998888126
Wave
Graph
(?)Metric surfscale
Energy kJ (?)310267202161164616495258411381348402517442443385275284314197154
Wind
(km/h)
30
E
25
E
25
ENE
25
E
20
ENE
30
E
25
E
25
E
25
E
25
E
25
ENE
25
E
30
E
25
E
25
SSE
20
SE
20
SE
35
S
35
SW
20
WSW
25
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		oncross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		crosscrosscross-
off		offoffcross-
on
High Tide
/ height (m)
7:28PM
0.72
10:12AM
0.72
8:29PM
0.68
10:35AM
0.72
9:35PM
0.63
10:56AM
0.71
10:49PM
0.59
11:16AM
0.70
12:19AM
0.55
11:36AM
0.69
2:10AM
0.55
11:57AM
0.68
Low Tide
/ height (m)
2:46PM
0.57
2:56AM
0.11
3:38PM
0.52
3:33AM
0.20
4:31PM
0.46
4:08AM
0.29
5:24PM
0.40
4:40AM
0.38
6:16PM
0.35
5:10AM
0.45
7:07PM
0.30
5:41AM
0.52
7:59PM
0.26
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Sunrise6:45--6:45--6:45--6:45--6:43--6:43--6:43--
Sunset-6:15--6:15--6:15--6:15--6:16--6:16--6:17-
part cloud
part cloud
thunderstorm
mod rain
mod rain
thunderstorm
clear
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
Rain (mm)
--10872--3-131123564531017
Temp. °C272827272727272727272727272725252627272626
Feels °C (?)262827282727272727262726272726262725262728
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tank Beach 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.

View detailed surf forecast for Tank Beach at:
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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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