Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 pm Thursday 14 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
28.8° 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 2AM is: 1.2m 9s primary swell from a East direction and 0.3m 11s secondary swell from a Southeast direction, 0.2m 8s secondary swell from a North direction (forecast issued at 09:00pm May 14). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (15 May)4.5ft (1.3m)9s
Afternoon (15 May)4.5ft (1.3m)9s
Evening (15 May)4.5ft (1.3m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu night, min 27°C on Thu night). Mainly fresh winds.

Thu
14
Friday
15
Saturday
16
Sunday
17
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
7 AM
10 AM
1 PM
4 PM
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 Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
E
9
1.3
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.5
E
9
1.5
E
9
1.7
E
9
1.8
E
8
1.8
E
9
1.9
E
9
2
E
9
2.1
E
9
2.2
E
9
2.3
E
9
2.2
E
9
2.2
E
9
Wave Graph
Metric surfscale
Energy kJ
276
270
230
225
225
264
264
264
252
292
318
325
364
364
440
450
482
550
642
718
788
861
805
828
Wind (km/h)
25
ESE
25
ESE
20
ESE
20
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
E
30
ESE
30
E
30
E
30
E
30
E
35
E
30
E
30
E
35
E
30
E
30
E
25
E
cross
cross-on
cross-on
cross
cross
cross
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
cross-on
cross-on
High Tide
6:18PM0.64m
4:53AM0.74m
7:33PM0.69m
5:21AM0.75m
8:42PM0.74m
5:53AM0.76m
Low Tide
11:16PM0.49m
12:18PM0.14m
00:17AM0.56m
1:01PM0.05m
1:19AM0.62m
1:48PM-0.02m
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:37
Temp °C
27
27
28
27
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
27
27
29
28
28
28
28
28
28
29
29
28
27
27
27
27
27
27
28
27
26
27
28
28
Swell 1
Height (m)
Direction
Period (s)
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
0.2
N
9
0.3
N
11
0.3
N
10
0.3
NNE
10
0.3
NNE
10
0.3
NNE
10
0.3
NNE
10
0.3
NNE
10
0.3
NNE
10
0.3
NNE
9
0.3
NNE
9
0.3
NNE
9
0.3
NNE
9
0.3
NNE
9
Energy kJ
19
18
19
18
22
22
23
22
21
16
6
21
19
20
20
20
19
19
18
17
17
16
16
16
Swell 2
Height (m)
Direction
Period (s)
0.2
NNE
7
0.2
N
7
0.2
N
8
0.2
NNE
9
0.2
NNE
9
0.2
N
10
0.2
N
10
0.2
NNE
8
0.2
N
9
0.2
N
11
0.1
SE
12
0.1
SE
12
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
N
6
Energy kJ
5
4
5
8
7
8
8
6
6
9
6
5
5
5
5
1
Swell 3
Height (m)
Direction
Period (s)
0.2
N
8
0.2
N
8
0.2
N
11
0.2
N
10
0.2
N
10
0.2
NNE
8
0.2
NNE
8
0.2
N
10
0.2
NNE
7
0.2
N
9
0.2
N
11
0.1
NE
7
0.1
NE
7
0.1
NE
7
0.1
N
6
Energy kJ
5
5
9
8
8
7
6
8
5
6
9
2
2
2
1
Wind waves
Height (m)
Direction
Period (s)
1.3
E
9
1.3
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.5
E
9
1.5
E
9
1.7
E
9
1.8
E
8
1.8
E
9
1.9
E
9
2
E
9
2.1
E
9
2.2
E
9
2.3
E
9
2.2
E
9
2.2
E
9
Energy kJ
276
270
230
225
225
264
264
264
252
292
318
325
364
364
440
450
482
550
642
718
788
861
805
828
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
229
2056
1491
1491
2056
2056
2060
2060
2060
2056
2056
2056
2056
2056
2063
2219
2082
2228
2056
2056
2056
2056
2056
2063
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)
5
5
4
5
5
5
6
5
5
5
5
5
5
5
5
5
4
5
5
6
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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