New Features: Surf quality ratings, wave energy, separate swell and wind wave components, based upon the higher resolution 0.5 degree (approx 50km) NWW3 Global Model. Many more features will be made live in the next few days. Best wishes. The surf-forecast team - September 27th 2008. UPDATE October 8th - Check out the new swell maps. More to follow - keep checking back.
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Niyodo Rivermouth
Japan Surf Forecast and Surf Reports
Niyodo Rivermouth,
Japan 6 Day Weather / Surf Forecast
Issued: 20 pm Mon 01 Dec
Days
0-3 Weather Summary: Mostly dry
Cool air temperatures (max 17°C on Thu morning, min 11°C on Mon night) Wind will be generally light
Days
0-3 Weather Summary: Heavy rain (total 24mm), heaviest during Thu night
Cool air temperatures (max 16°C on Thu night, min 3°C on Sat morning) Wind will be generally light
Rating
Mon night
Tue morn- ing
Tue after- noon
Tue night
Wed morn- ing
Wed after- noon
Wed night
Thu morn- ing
Thu after- noon
Thu night
Fri morn- ing
Fri after- noon
Fri night
Sat morn- ing
Sat after- noon
Sat night
Sun morn- ing
Sun after- noon
Largest waves (m)& direction
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
E
E
E
E
E
E
Period(s)
10
10
9
9
9
9
9
9
9
10
10
10
10
10
10
10
12
11
Max-energy
74
72
68
68
90
88
69
65
69
102
128
96
68
74
73
71
71
59
Wind (km/h)
Wind State
glass
off
glass
cross- off
glass
glass
glass
glass
on
cross- on
cross- off
cross- off
cross- off
cross- off
glass
cross- on
glass
glass
Swell1 (m)& direction
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
ESE
E
E
E
E
ESE
E
Period(s)
10
10
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10
11
Swell2 (m)& direction
SSE
SE
SE
SE
SSE
SSE
E
S
S
SSE
SSW
SSW
E
W
-
E
E
SE
Period(s)
6
3
4
6
6
4
4
3
4
10
6
6
14
6
-
14
12
3
wind waves (m)/ dir
SSE
SE
SSE
SE
SE
SSE
SE
S
SE
SSW
-
-
-
-
SE
SSE
SSE
SSE
Period(s)
3
2
3
3
3
3
3
2
3
4
-
-
-
-
3
3
3
3
High
Tide height (m)
8:54AM
1.59
7:46PM
1.48
9:34AM
1.57
8:31PM
1.41
10:17AM
1.55
9:27PM
1.34
11:04AM
1.52
10:37PM
1.28
11:57AM
1.50
12:09AM
1.25
12:55PM
1.50
Low
Tide height (m)
1:59AM
0.19
2:25PM
0.96
2:37AM
0.25
3:14PM
0.95
3:21AM
0.32
4:10PM
0.92
4:12AM
0.41
5:15PM
5:14AM
0.52
6:28PM
0.77
6:25AM
0.62
Note: the tide data above is for Koti, Koti, Japan which is 12 km away. For tide
graph click here...
Today's Sea Temperature:
22.3 (Statistics for 01 Dec 1981-2005 - mean:
20.9 max: 22.2°C min: 19.7°C)