Sea weather in Nagasaki in Japan All the beach weather in Nagasaki

All the essential weather information for enjoying the beach in Nagasaki 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 Nagasaki over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 19 July 202677°F to 85°Frecommended
Monday 20 July 202677°F to 85°Frecommended
Tuesday 21 July 202677°F to 85°Frecommended
Wednesday 22 July 202677°F to 85°Frecommended
Thursday 23 July 202677°F to 85°Frecommended
Friday 24 July 202679°F to 85°Frecommended
Saturday 25 July 202679°F to 85°Frecommended

Sea Weather: Your daily and hourly sea weather in Nagasaki

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:26 and will set at 19:28 on the beach(es) of Nagasaki. The outside temperature will be a high of 85°F t and a low of 77°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 10.6mph km/h (with gusts up to 14.3mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (81°F)27°C (81°F)29°C (83°F)25°C (78°F)28°C (83°F)27°C (81°F)27°C (80°F)
Perceived temperature32°C (89°F)32°C (89°F)32°C (89°F)34°C (93°F)28°C (82°F)33°C (92°F)32°C (89°F)32°C (89°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%86%86%80%78%80%83%92%
Barometric pressure1005 hPa1004 hPa1005 hPa1006 hPa1006 hPa1005 hPa1006 hPa1007 hPa
Cloud cover71%67%83%85%8%15%14%33%
Heat index32°C (89°F)32°C (89°F)32°C (89°F)34°C (93°F)28°C (82°F)33°C (92°F)32°C (89°F)32°C (89°F)
Dew point25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)21°C (70°F)25°C (76°F)24°C (76°F)25°C (78°F)
Wind
Speed10km/h (6mph)9km/h (6mph)9km/h (6mph)10km/h (6mph)17km/h (10mph)16km/h (10mph)12km/h (7mph)8km/h (5mph)
Gusts17km/h (10mph)16km/h (10mph)15km/h (9mph)15km/h (9mph)23km/h (14mph)23km/h (14mph)19km/h (12mph)12km/h (7mph)
Direction 159°
SSE
174°
S
151°
SSE
184°
S
209°
SSW
214°
SW
224°
SW
184°
S
Wind chill27°C (81°F)27°C (81°F)27°C (81°F)29°C (83°F)25°C (78°F)28°C (83°F)27°C (81°F)27°C (80°F)
Waves
Height0.6m (1.8ft)0.6m (2.0ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)
Direction 226°
SW
225°
SW
225°
SW
225°
SW
225°
SW
226°
SW
226°
SW
226°
SW
Period7.0 sec.7.1 sec.7.7 sec.7.5 sec.7.4 sec.7.3 sec.7.4 sec.7.5 sec.
Significant height0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:27 and will set at 19:28 on the beach(es) of Nagasaki. The outside temperature will be a high of 85°F t and a low of 77°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 16.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (80°F)28°C (83°F)25°C (77°F)27°C (81°F)28°C (82°F)27°C (80°F)
Perceived temperature31°C (88°F)31°C (88°F)31°C (88°F)33°C (91°F)27°C (81°F)30°C (86°F)31°C (89°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%91%89%81%76%72%77%87%
Barometric pressure1007 hPa1007 hPa1008 hPa1009 hPa1009 hPa1008 hPa1008 hPa1009 hPa
Cloud cover82%63%76%85%11%7%7%14%
Heat index31°C (88°F)31°C (88°F)31°C (88°F)33°C (91°F)27°C (81°F)30°C (86°F)31°C (89°F)31°C (87°F)
Dew point25°C (78°F)25°C (77°F)25°C (77°F)25°C (76°F)21°C (69°F)22°C (71°F)23°C (74°F)24°C (76°F)
Wind
Speed9km/h (6mph)9km/h (5mph)8km/h (5mph)9km/h (5mph)13km/h (8mph)13km/h (8mph)12km/h (8mph)5km/h (3mph)
Gusts15km/h (9mph)14km/h (8mph)12km/h (7mph)11km/h (7mph)27km/h (17mph)25km/h (15mph)20km/h (13mph)9km/h (6mph)
Direction 167°
SSE
183°
S
223°
SW
222°
SW
242°
WSW
266°
W
290°
WNW
319°
NW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (83°F)25°C (77°F)27°C (81°F)28°C (82°F)27°C (80°F)
Waves
Height0.6m (1.9ft)0.6m (1.8ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.5ft)
Direction 226°
SW
225°
SW
225°
SW
225°
SW
225°
SW
226°
SW
227°
SW
227°
SW
Period7.7 sec.7.8 sec.7.7 sec.7.6 sec.7.4 sec.7.3 sec.7.2 sec.7.1 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:27 and will set at 19:27 on the beach(es) of Nagasaki. The outside temperature will be a high of 85°F t and a low of 77°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 8.7mph km/h (with gusts up to 16.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)29°C (83°F)26°C (78°F)27°C (81°F)28°C (82°F)27°C (80°F)
Perceived temperature30°C (86°F)29°C (84°F)29°C (84°F)33°C (91°F)28°C (82°F)29°C (85°F)31°C (88°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%88%86%74%72%69%74%85%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1010 hPa1009 hPa1009 hPa1010 hPa
Cloud cover7%8%4%4%6%5%5%5%
Heat index30°C (86°F)29°C (84°F)29°C (84°F)33°C (91°F)28°C (82°F)29°C (85°F)31°C (88°F)30°C (86°F)
Dew point24°C (76°F)24°C (75°F)23°C (74°F)24°C (74°F)20°C (68°F)21°C (70°F)23°C (73°F)24°C (75°F)
Wind
Speed5km/h (3mph)3km/h (2mph)2km/h (1mph)3km/h (2mph)12km/h (7mph)14km/h (9mph)9km/h (5mph)4km/h (2mph)
Gusts8km/h (5mph)6km/h (3mph)4km/h (2mph)4km/h (2mph)25km/h (16mph)26km/h (16mph)14km/h (9mph)6km/h (4mph)
Direction 339°
NNW
24°
NNE
27°
NNE
231°
SW
246°
WSW
260°
W
271°
W
302°
WNW
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)29°C (83°F)26°C (78°F)27°C (81°F)28°C (82°F)27°C (80°F)
Waves
Height0.4m (1.5ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.5ft)
Direction 228°
SW
229°
SW
230°
SW
231°
SW
231°
SW
231°
SW
230°
SW
229°
SW
Period7.0 sec.6.9 sec.7.1 sec.7.3 sec.7.3 sec.7.2 sec.7.1 sec.7.0 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:28 and will set at 19:26 on the beach(es) of Nagasaki. The outside temperature will be a high of 85°F t and a low of 77°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 15.5mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)29°C (83°F)25°C (78°F)27°C (81°F)28°C (82°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)27°C (80°F)29°C (85°F)31°C (88°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%86%84%71%69%70%75%87%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1009 hPa1009 hPa1010 hPa
Cloud cover5%6%7%6%3%2%2%2%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)27°C (80°F)29°C (85°F)31°C (88°F)31°C (87°F)
Dew point24°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)19°C (67°F)21°C (70°F)23°C (73°F)24°C (76°F)
Wind
Speed1km/h (0mph)3km/h (2mph)1km/h (0mph)4km/h (2mph)11km/h (7mph)13km/h (8mph)10km/h (6mph)5km/h (3mph)
Gusts1km/h (1mph)4km/h (3mph)1km/h (1mph)5km/h (3mph)23km/h (14mph)25km/h (16mph)16km/h (10mph)8km/h (5mph)
Direction 164°
SSE
261°
W
98°
E
213°
SSW
224°
SW
255°
WSW
268°
W
299°
WNW
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)29°C (83°F)25°C (78°F)27°C (81°F)28°C (82°F)27°C (80°F)
Waves
Height0.4m (1.4ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)
Direction 228°
SW
227°
SW
226°
SW
226°
SW
226°
SW
226°
SW
227°
SW
227°
SW
Period7.2 sec.7.3 sec.7.2 sec.7.0 sec.6.9 sec.6.8 sec.6.7 sec.6.5 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:29 and will set at 19:26 on the beach(es) of Nagasaki. The outside temperature will be a high of 85°F t and a low of 77°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 18mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (78°F)29°C (83°F)26°C (78°F)27°C (81°F)28°C (82°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)28°C (82°F)30°C (85°F)31°C (88°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%88%88%74%70%70%75%86%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1009 hPa1009 hPa1011 hPa
Cloud cover6%8%11%3%1%2%2%6%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)28°C (82°F)30°C (85°F)31°C (88°F)30°C (86°F)
Dew point24°C (75°F)24°C (75°F)24°C (74°F)23°C (74°F)20°C (68°F)21°C (71°F)23°C (73°F)24°C (75°F)
Wind
Speed1km/h (1mph)1km/h (0mph)1km/h (1mph)3km/h (2mph)10km/h (6mph)15km/h (9mph)11km/h (7mph)7km/h (4mph)
Gusts2km/h (1mph)1km/h (1mph)2km/h (1mph)3km/h (2mph)21km/h (13mph)29km/h (18mph)18km/h (11mph)12km/h (8mph)
Direction 351°
N
291°
WNW
350°
N
254°
WSW
253°
WSW
271°
W
295°
WNW
329°
NNW
Wind chill26°C (79°F)26°C (79°F)26°C (78°F)29°C (83°F)26°C (78°F)27°C (81°F)28°C (82°F)27°C (80°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.0ft)
Direction 228°
SW
228°
SW
228°
SW
227°
SW
226°
SW
225°
SW
224°
SW
224°
SW
Period6.5 sec.6.4 sec.6.4 sec.6.4 sec.6.3 sec.6.2 sec.6.1 sec.6.0 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:29 and will set at 19:25 on the beach(es) of Nagasaki. The outside temperature will be a high of 85°F t and a low of 79°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 11.8mph km/h (with gusts up to 22.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)29°C (84°F)29°C (85°F)28°C (82°F)28°C (83°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)28°C (83°F)32°C (90°F)33°C (92°F)31°C (87°F)32°C (89°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%85%83%69%67%68%74%82%
Barometric pressure1011 hPa1010 hPa1011 hPa1011 hPa1011 hPa1010 hPa1009 hPa1010 hPa
Cloud cover6%6%11%18%16%14%8%7%
Heat index29°C (85°F)29°C (84°F)28°C (83°F)32°C (90°F)33°C (92°F)31°C (87°F)32°C (89°F)30°C (87°F)
Dew point24°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (71°F)23°C (74°F)24°C (74°F)
Wind
Speed5km/h (3mph)5km/h (3mph)6km/h (4mph)5km/h (3mph)13km/h (8mph)19km/h (12mph)14km/h (9mph)9km/h (6mph)
Gusts8km/h (5mph)8km/h (5mph)10km/h (6mph)7km/h (4mph)20km/h (12mph)36km/h (22mph)23km/h (14mph)17km/h (11mph)
Direction 354°
N
12°
NNE
14°
NNE
330°
NNW
292°
WNW
303°
WNW
320°
NW
340°
NNW
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)29°C (84°F)29°C (85°F)28°C (82°F)28°C (83°F)27°C (80°F)
Waves
Height0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)0.4m (1.3ft)0.4m (1.4ft)0.4m (1.2ft)
Direction 224°
SW
226°
SW
231°
SW
231°
SW
231°
SW
258°
WSW
299°
WNW
300°
WNW
Period5.9 sec.5.9 sec.6.3 sec.6.2 sec.6.0 sec.5.9 sec.5.7 sec.5.6 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.5m (1.6ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 05:30 and will set at 19:25 on the beach(es) of Nagasaki. The outside temperature will be a high of 85°F t and a low of 79°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 11.2mph km/h (with gusts up to 21.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)29°C (84°F)26°C (80°F)28°C (82°F)28°C (82°F)26°C (80°F)
Perceived temperature29°C (84°F)28°C (82°F)28°C (82°F)32°C (90°F)28°C (82°F)30°C (87°F)31°C (88°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%80%67%65%66%72%82%
Barometric pressure1010 hPa1010 hPa1011 hPa1011 hPa1011 hPa1009 hPa1009 hPa1010 hPa
Cloud cover7%7%8%8%7%8%6%6%
Heat index29°C (84°F)28°C (82°F)28°C (82°F)32°C (90°F)28°C (82°F)30°C (87°F)31°C (88°F)29°C (85°F)
Dew point23°C (73°F)22°C (71°F)22°C (71°F)22°C (72°F)19°C (67°F)21°C (70°F)22°C (72°F)23°C (73°F)
Wind
Speed9km/h (5mph)8km/h (5mph)6km/h (4mph)3km/h (2mph)10km/h (6mph)18km/h (11mph)15km/h (10mph)10km/h (6mph)
Gusts16km/h (10mph)14km/h (9mph)12km/h (7mph)4km/h (2mph)22km/h (14mph)35km/h (22mph)26km/h (16mph)19km/h (12mph)
Direction 356°
N
17°
NNE
28°
NNE
340°
NNW
279°
W
299°
WNW
323°
NW
348°
NNW
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)29°C (84°F)26°C (80°F)28°C (82°F)28°C (82°F)26°C (80°F)
Waves
Height0.2m (0.8ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.2m (0.6ft)0.4m (1.3ft)0.5m (1.8ft)0.4m (1.5ft)
Direction 228°
SW
228°
SW
228°
SW
227°
SW
254°
WSW
313°
NW
318°
NW
319°
NW
Period4.6 sec.5.4 sec.5.3 sec.5.2 sec.5.2 sec.5.1 sec.5.0 sec.4.9 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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