Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 am Wednesday 13 May 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
28.7° C
(Which is normal for this time of year)

How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 5PM is: 1.5m 9s primary swell from a East direction and 0.3m 7s secondary swell from a North-northwest direction (forecast issued at 09:00am May 13). The wind direction is predicted to be cross-shore.

Time (ChST) & DateWave HeightWave Period
Morning (13 May)5ft (1.5m)9s
Afternoon (13 May)5ft (1.5m)9s
Evening (13 May)4.5ft (1.4m)9s

Table - waves today at Tank Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 19mm), heaviest on Wed night. Warm (max 28°C on Wed morning, min 27°C on Wed morning). Mainly fresh winds.

Wednesday
13
Thursday
14
Friday
15
Sat
16
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
E
9
1.5
E
9
1.5
E
9
1.5
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.3
E
9
1.4
E
9
1.4
E
9
1.4
E
9
Wave Graph
Metric surfscale
Energy kJ
365
367
375
367
320
320
320
327
327
320
320
276
276
270
230
225
225
225
225
225
264
298
306
320
Wind (km/h)
20
SE
20
SE
20
SE
15
SE
20
SE
20
SE
25
SE
20
ESE
25
ESE
25
ESE
20
ESE
20
ESE
20
ESE
20
E
20
E
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
E
30
E
25
E
25
E
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:10AM0.73m
4:55PM0.59m
4:30AM0.73m
6:18PM0.64m
4:53AM0.74m
7:33PM0.69m
Low Tide
11:02AM0.34m
10:17PM0.42m
11:38AM0.24m
11:16PM0.49m
12:18PM0.14m
00:17AM0.56m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:37
6:37
2
1
2
1
2
3
5
2
Temp °C
27
27
28
28
28
28
28
27
27
28
28
28
28
27
27
27
27
28
28
28
28
28
27
27
28
28
30
31
30
30
30
28
28
29
29
29
29
28
27
27
27
29
28
28
29
28
26
27
Swell 1
Height (m)
Direction
Period (s)
1.5
E
9
1.5
E
9
1.5
E
9
1.5
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
0.3
SE
11
0.3
N
8
0.3
SE
11
0.3
N
7
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
10
0.3
NNW
6
1.4
E
9
Energy kJ
365
367
375
367
320
320
320
327
19
10
19
9
19
18
19
18
22
22
23
22
21
16
8
320
Swell 2
Height (m)
Direction
Period (s)
0.4
NNW
8
0.4
NNW
8
0.4
NW
8
0.3
NNW
7
0.3
N
9
0.3
N
8
0.4
N
8
0.3
N
8
0.2
N
7
0.3
SE
11
0.2
NNE
7
0.3
SE
11
0.2
NNE
7
0.2
N
7
0.2
N
11
0.2
NNE
9
0.2
NNE
9
0.2
N
10
0.2
N
10
0.3
N
12
0.2
NNW
7
0.2
NNW
6
0.3
SE
12
0.3
NNE
11
Energy kJ
25
23
14
11
13
12
19
10
4
19
5
19
5
4
9
8
7
8
8
25
5
4
22
23
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
11
0.3
SE
11
0.2
N
9
0.3
SE
11
0.3
SE
12
0.2
NNW
7
0.3
SE
11
0.3
SE
11
0.2
N
9
0.1
NW
7
0.2
N
9
0.1
SE
14
0.2
N
8
0.2
N
7
0.2
N
8
0.2
N
10
0.2
N
10
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
11
0.2
N
11
0.2
NNW
6
Energy kJ
19
19
6
20
21
5
20
20
6
2
6
7
5
4
5
8
8
7
6
6
6
12
9
4
Wind waves
Height (m)
Direction
Period (s)
1.4
E
9
1.4
E
9
1.4
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.3
E
9
1.4
E
9
1.4
E
9
Energy kJ
327
320
320
276
276
270
230
225
225
225
225
225
264
298
306
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
227
227
227
227
227
227
227
227
227
227
227
233
2176
2056
2056
2056
2056
2056
2063
2063
2063
2063
2056
2056
Best forecast wave conditions in Saipan
Rating
(10 max)
Best forecast wave conditions in Northern Mariana Islands
Rating
(10 max)
Header Global
Rating
(10 max)
9
9
9
9
9
8
7
9
9
9
9
5
5
5
5
5
4
5
5
5
5
5
5
5
  • 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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