Sea weather in Sasebo in Japan All the beach weather in Sasebo

All the essential weather information for enjoying the beach in Sasebo in Japan, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Sasebo over the next 7 days?

Discover the best moment to go to the beach in Sasebo in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Sasebo. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Friday 5 December 202538°F to 52°Fdiscouraged
Saturday 6 December 202543°F to 56°Frecommended
Sunday 7 December 202554°F to 63°Fdiscouraged
Monday 8 December 202550°F to 58°Fdiscouraged
Tuesday 9 December 202545°F to 54°Fdiscouraged
Wednesday 10 December 202549°F to 54°Frecommended
Thursday 11 December 202552°F to 58°Frecommended

Sea Weather: Your daily and hourly sea weather in Sasebo

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:10 and will set at 17:14 on the beach(es) of Sasebo. The outside temperature will be a high of 52°F t and a low of 38°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 24.9mph km/h (with gusts up to 31.7mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)10°C (51°F)11°C (51°F)9°C (48°F)9°C (47°F)6°C (42°F)3°C (38°F)6°C (43°F)
Perceived temperature6°C (43°F)7°C (45°F)7°C (45°F)5°C (40°F)5°C (41°F)2°C (35°F)-0°C (31°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%69%61%58%49%50%55%56%
Barometric pressure1025 hPa1024 hPa1024 hPa1026 hPa1026 hPa1024 hPa1024 hPa1025 hPa
Cloud cover66%100%94%42%16%0%0%0%
Heat index10°C (49°F)10°C (51°F)11°C (51°F)9°C (48°F)9°C (47°F)6°C (42°F)3°C (38°F)6°C (43°F)
Dew point2°C (35°F)5°C (41°F)4°C (38°F)1°C (34°F)-1°C (30°F)-4°C (25°F)-5°C (23°F)-2°C (29°F)
Wind
Speed28km/h (18mph)27km/h (17mph)40km/h (25mph)34km/h (21mph)25km/h (16mph)22km/h (13mph)15km/h (9mph)7km/h (4mph)
Gusts38km/h (23mph)37km/h (23mph)51km/h (32mph)43km/h (27mph)32km/h (20mph)28km/h (17mph)31km/h (19mph)12km/h (7mph)
Direction 317°
NW
287°
WNW
316°
NW
319°
NW
345°
NNW
358°
N
25°
NNE
53°
NE
Wind chill6°C (43°F)7°C (45°F)7°C (45°F)5°C (40°F)5°C (41°F)2°C (35°F)-0°C (31°F)5°C (41°F)
Waves
Height1.3m (4.3ft)1.2m (4.1ft)2.0m (6.5ft)1.7m (5.6ft)1.4m (4.7ft)1.2m (4.1ft)1.0m (3.4ft)0.8m (2.8ft)
Direction 302°
WNW
298°
WNW
304°
NW
309°
NW
309°
NW
313°
NW
325°
NW
326°
NW
Period8.5 sec.8.4 sec.8.4 sec.6.6 sec.6.5 sec.6.3 sec.6.5 sec.6.5 sec.
Significant height1.2m (3.9ft)1.3m (4.3ft)1.7m (5.6ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)0.9m (3ft)0.3m (1ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:11 and will set at 17:14 on the beach(es) of Sasebo. The outside temperature will be a high of 56°F t and a low of 43°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.9mph km/h (with gusts up to 13.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (43°F)7°C (45°F)9°C (49°F)12°C (53°F)12°C (54°F)12°C (53°F)12°C (53°F)
Perceived temperature6°C (42°F)6°C (42°F)6°C (44°F)9°C (49°F)10°C (50°F)11°C (51°F)10°C (50°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%58%62%59%58%58%63%66%
Barometric pressure1025 hPa1025 hPa1024 hPa1024 hPa1023 hPa1023 hPa1024 hPa1024 hPa
Cloud cover0%0%9%38%32%80%90%52%
Heat index6°C (43°F)6°C (43°F)7°C (45°F)9°C (49°F)12°C (53°F)12°C (54°F)12°C (53°F)12°C (53°F)
Dew point-2°C (29°F)-1°C (29°F)0°C (33°F)2°C (35°F)4°C (39°F)4°C (40°F)5°C (41°F)6°C (42°F)
Wind
Speed4km/h (2mph)5km/h (3mph)5km/h (3mph)4km/h (2mph)13km/h (8mph)16km/h (10mph)13km/h (8mph)13km/h (8mph)
Gusts7km/h (4mph)8km/h (5mph)9km/h (5mph)5km/h (3mph)18km/h (11mph)22km/h (14mph)22km/h (14mph)21km/h (13mph)
Direction 119°
ESE
189°
S
264°
W
200°
SSW
188°
S
225°
SW
221°
SW
251°
WSW
Wind chill6°C (42°F)6°C (42°F)6°C (44°F)9°C (49°F)10°C (50°F)11°C (51°F)10°C (50°F)11°C (51°F)
Waves
Height0.7m (2.4ft)0.6m (2.0ft)0.5m (1.7ft)0.4m (1.4ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.6ft)0.5m (1.8ft)
Direction 328°
NNW

N

N

N

N

N

N
293°
WNW
Period7.7 sec.7.7 sec.7.4 sec.6.9 sec.4.4 sec.4.3 sec.8.0 sec.7.5 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:11 and will set at 17:14 on the beach(es) of Sasebo. The outside temperature will be a high of 63°F t and a low of 54°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 19.3mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (54°F)13°C (56°F)14°C (58°F)16°C (61°F)17°C (62°F)16°C (60°F)14°C (56°F)14°C (58°F)
Perceived temperature11°C (52°F)12°C (53°F)13°C (55°F)16°C (61°F)17°C (62°F)16°C (60°F)13°C (55°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%69%69%63%56%58%63%64%
Barometric pressure1024 hPa1023 hPa1022 hPa1023 hPa1022 hPa1022 hPa1023 hPa1023 hPa
Cloud cover90%69%61%55%16%13%10%5%
Heat index12°C (54°F)13°C (56°F)14°C (58°F)16°C (61°F)17°C (62°F)16°C (60°F)14°C (56°F)14°C (58°F)
Dew point6°C (43°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (46°F)7°C (45°F)7°C (44°F)8°C (46°F)
Wind
Speed10km/h (6mph)15km/h (10mph)19km/h (12mph)17km/h (10mph)22km/h (14mph)19km/h (12mph)12km/h (7mph)11km/h (7mph)
Gusts16km/h (10mph)23km/h (14mph)29km/h (18mph)24km/h (15mph)31km/h (19mph)29km/h (18mph)23km/h (14mph)19km/h (12mph)
Direction 229°
SW
223°
SW
224°
SW
256°
WSW
274°
W
278°
W
277°
W
268°
W
Wind chill11°C (52°F)12°C (53°F)13°C (55°F)16°C (61°F)17°C (62°F)16°C (60°F)13°C (55°F)14°C (57°F)
Waves
Height0.5m (1.6ft)0.5m (1.8ft)0.8m (2.5ft)0.9m (2.9ft)0.8m (2.7ft)0.8m (2.5ft)0.7m (2.2ft)0.6m (2.0ft)
Direction 296°
WNW
292°
WNW
280°
W
302°
WNW
297°
WNW
292°
WNW
289°
WNW
288°
WNW
Period7.1 sec.6.8 sec.6.6 sec.6.3 sec.6.2 sec.6.1 sec.6.1 sec.5.6 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:12 and will set at 17:14 on the beach(es) of Sasebo. The outside temperature will be a high of 58°F t and a low of 50°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.8mph km/h (with gusts up to 21.8mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)13°C (56°F)11°C (52°F)11°C (52°F)11°C (51°F)
Perceived temperature13°C (56°F)13°C (55°F)12°C (54°F)12°C (54°F)11°C (52°F)8°C (47°F)9°C (48°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%64%65%54%56%58%67%65%
Barometric pressure1023 hPa1023 hPa1023 hPa1025 hPa1025 hPa1024 hPa1024 hPa1025 hPa
Cloud cover0%36%39%47%86%3%30%12%
Heat index14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)13°C (56°F)11°C (52°F)11°C (52°F)11°C (51°F)
Dew point8°C (46°F)7°C (45°F)7°C (45°F)5°C (41°F)5°C (40°F)3°C (38°F)5°C (41°F)4°C (40°F)
Wind
Speed14km/h (9mph)17km/h (11mph)21km/h (13mph)20km/h (13mph)27km/h (17mph)27km/h (17mph)21km/h (13mph)20km/h (12mph)
Gusts24km/h (15mph)29km/h (18mph)33km/h (20mph)27km/h (16mph)33km/h (20mph)32km/h (20mph)35km/h (22mph)30km/h (18mph)
Direction 276°
W
296°
WNW
310°
NW
313°
NW
312°
NW
307°
NW
349°
N

N
Wind chill13°C (56°F)13°C (55°F)12°C (54°F)12°C (54°F)11°C (52°F)8°C (47°F)9°C (48°F)8°C (46°F)
Waves
Height0.6m (1.9ft)0.6m (1.9ft)0.8m (2.6ft)0.8m (2.5ft)0.8m (2.7ft)0.9m (2.9ft)0.8m (2.8ft)0.9m (3.1ft)
Direction 287°
WNW
285°
WNW
297°
WNW
292°
WNW
293°
WNW
289°
WNW
288°
WNW
291°
WNW
Period5.6 sec.5.2 sec.4.5 sec.4.8 sec.4.9 sec.5.2 sec.5.8 sec.6.2 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.9m (3ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:13 and will set at 17:15 on the beach(es) of Sasebo. The outside temperature will be a high of 54°F t and a low of 45°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 20.5mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (50°F)10°C (49°F)11°C (53°F)12°C (53°F)10°C (49°F)7°C (45°F)11°C (51°F)
Perceived temperature8°C (46°F)7°C (45°F)7°C (45°F)9°C (49°F)9°C (49°F)7°C (45°F)4°C (39°F)8°C (47°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%55%52%50%49%51%59%62%
Barometric pressure1025 hPa1025 hPa1026 hPa1027 hPa1026 hPa1026 hPa1027 hPa1027 hPa
Cloud cover0%7%3%3%4%2%0%0%
Heat index10°C (50°F)10°C (50°F)10°C (49°F)11°C (53°F)12°C (53°F)10°C (49°F)7°C (45°F)11°C (51°F)
Dew point2°C (36°F)2°C (35°F)0°C (33°F)1°C (35°F)1°C (34°F)0°C (32°F)-0°C (32°F)4°C (39°F)
Wind
Speed20km/h (12mph)22km/h (13mph)17km/h (10mph)18km/h (11mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)18km/h (11mph)
Gusts31km/h (19mph)33km/h (21mph)27km/h (17mph)24km/h (15mph)28km/h (17mph)27km/h (17mph)24km/h (15mph)30km/h (18mph)
Direction 10°
N
14°
NNE

N
21°
NNE
17°
NNE
13°
NNE
23°
NNE
37°
NE
Wind chill8°C (46°F)7°C (45°F)7°C (45°F)9°C (49°F)9°C (49°F)7°C (45°F)4°C (39°F)8°C (47°F)
Waves
Height1.0m (3.4ft)1.1m (3.5ft)1.1m (3.5ft)1.0m (3.1ft)0.9m (3.0ft)0.9m (2.9ft)0.8m (2.8ft)0.7m (2.4ft)
Direction 354°
N
352°
N
350°
N
338°
NNW
339°
NNW
349°
NNW
359°
N
354°
N
Period6.4 sec.6.6 sec.6.4 sec.5.9 sec.5.8 sec.5.9 sec.5.5 sec.8.5 sec.
Significant height1.1m (3.6ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:14 and will set at 17:15 on the beach(es) of Sasebo. The outside temperature will be a high of 54°F t and a low of 49°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 8.1mph km/h (with gusts up to 14.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)9°C (49°F)9°C (48°F)10°C (51°F)12°C (53°F)12°C (53°F)11°C (52°F)11°C (52°F)
Perceived temperature8°C (46°F)8°C (46°F)8°C (46°F)9°C (49°F)12°C (53°F)12°C (54°F)11°C (51°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%64%65%59%46%48%59%59%
Barometric pressure1026 hPa1026 hPa1026 hPa1027 hPa1026 hPa1024 hPa1025 hPa1025 hPa
Cloud cover3%6%7%3%2%3%44%32%
Heat index10°C (50°F)9°C (49°F)9°C (48°F)10°C (51°F)12°C (53°F)12°C (53°F)11°C (52°F)11°C (52°F)
Dew point3°C (38°F)3°C (37°F)3°C (37°F)3°C (37°F)1°C (33°F)1°C (34°F)3°C (38°F)3°C (38°F)
Wind
Speed13km/h (8mph)10km/h (6mph)8km/h (5mph)9km/h (5mph)2km/h (1mph)3km/h (2mph)7km/h (4mph)6km/h (4mph)
Gusts23km/h (14mph)18km/h (11mph)14km/h (9mph)12km/h (8mph)3km/h (2mph)6km/h (4mph)13km/h (8mph)10km/h (6mph)
Direction 62°
ENE
76°
ENE
80°
E
65°
ENE

N
349°
NNW
28°
NNE
70°
ENE
Wind chill8°C (46°F)8°C (46°F)8°C (46°F)9°C (49°F)12°C (53°F)12°C (54°F)11°C (51°F)11°C (51°F)
Waves
Height0.7m (2.2ft)0.6m (2.0ft)0.5m (1.8ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.0ft)
Direction
N

N

N

N

N

N

N
10°
N
Period8.2 sec.7.3 sec.8.3 sec.8.1 sec.7.8 sec.7.4 sec.7.2 sec.6.8 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 07:14 and will set at 17:15 on the beach(es) of Sasebo. The outside temperature will be a high of 58°F t and a low of 52°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.3mph km/h (with gusts up to 16.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)11°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)14°C (57°F)13°C (55°F)13°C (55°F)
Perceived temperature11°C (51°F)11°C (52°F)11°C (51°F)12°C (53°F)12°C (54°F)13°C (56°F)11°C (52°F)11°C (52°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%54%52%52%55%55%64%62%
Barometric pressure1024 hPa1024 hPa1023 hPa1024 hPa1023 hPa1022 hPa1023 hPa1025 hPa
Cloud cover6%69%48%100%63%20%100%95%
Heat index11°C (51°F)11°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)14°C (57°F)13°C (55°F)13°C (55°F)
Dew point3°C (37°F)2°C (36°F)2°C (36°F)3°C (37°F)4°C (39°F)5°C (41°F)6°C (43°F)6°C (42°F)
Wind
Speed5km/h (3mph)6km/h (4mph)12km/h (7mph)10km/h (6mph)8km/h (5mph)8km/h (5mph)14km/h (9mph)15km/h (10mph)
Gusts9km/h (5mph)11km/h (7mph)19km/h (12mph)16km/h (10mph)12km/h (7mph)12km/h (8mph)24km/h (15mph)27km/h (17mph)
Direction 86°
E
90°
E
54°
NE
50°
NE
47°
NE
16°
NNE
32°
NNE
30°
NNE
Wind chill11°C (51°F)11°C (52°F)11°C (51°F)12°C (53°F)12°C (54°F)13°C (56°F)11°C (52°F)11°C (52°F)
Waves
Height0.3m (0.9ft)0.2m (0.8ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)
Direction
N

N
12°
NNE
12°
NNE
12°
NNE
177°
S
174°
S
22°
NNE
Period6.7 sec.6.6 sec.6.3 sec.6.2 sec.6.1 sec.4.8 sec.4.6 sec.4.4 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.1m (0.3ft)0.2m (0.7ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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