Sea weather in Saint John in Canada All the beach weather in Saint John

All the essential weather information for enjoying the beach in Saint John in Canada, 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 Saint John over the next 7 days?

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

Date Outside temp. Our opinion
Thursday 17 July 202559°F to 68°Fdiscouraged
Friday 18 July 202559°F to 68°Fdiscouraged
Saturday 19 July 202556°F to 68°Frecommended
Sunday 20 July 202556°F to 67°Frecommended
Monday 21 July 202552°F to 67°Frecommended
Tuesday 22 July 202558°F to 68°Frecommended
Wednesday 23 July 202558°F to 65°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Saint John

Sea weather on Thursday 17 July 2025

On Thursday 17 July 2025, the sun will rise at 05:53 and will set at 21:07 on the beach(es) of Saint John. The outside temperature will be a high of 68°F t and a low of 59°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 15.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)15°C (59°F)15°C (59°F)17°C (62°F)18°C (64°F)19°C (67°F)17°C (63°F)17°C (62°F)
Perceived temperature16°C (60°F)15°C (58°F)15°C (58°F)17°C (62°F)18°C (64°F)19°C (67°F)17°C (63°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity98%99%99%96%90%84%96%98%
Barometric pressure1015 hPa1014 hPa1014 hPa1014 hPa1013 hPa1011 hPa1009 hPa1007 hPa
Cloud cover100%100%100%92%57%87%68%95%
Heat index16°C (60°F)15°C (59°F)15°C (59°F)17°C (62°F)18°C (64°F)19°C (67°F)17°C (63°F)17°C (62°F)
Dew point15°C (59°F)15°C (58°F)15°C (58°F)16°C (60°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (61°F)
Wind
Speed11km/h (7mph)9km/h (6mph)8km/h (5mph)10km/h (6mph)14km/h (9mph)22km/h (13mph)20km/h (13mph)18km/h (11mph)
Gusts22km/h (14mph)19km/h (12mph)16km/h (10mph)18km/h (11mph)25km/h (15mph)24km/h (15mph)21km/h (13mph)21km/h (13mph)
Direction 222°
SW
203°
SSW
190°
S
199°
SSW
224°
SW
225°
SW
213°
SSW
205°
SSW
Wind chill16°C (60°F)15°C (58°F)15°C (58°F)17°C (62°F)18°C (64°F)19°C (67°F)17°C (63°F)17°C (62°F)
Waves
Height0.4m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.7ft)
Direction 198°
SSW
197°
SSW
196°
SSW
197°
SSW
196°
SSW
201°
SSW
200°
SSW
196°
SSW
Period3.7 sec.3.6 sec.3.6 sec.3.5 sec.3.6 sec.3.8 sec.3.8 sec.3.8 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.8m (2.6ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Friday 18 July 2025

On Friday 18 July 2025, the sun will rise at 05:54 and will set at 21:07 on the beach(es) of Saint John. The outside temperature will be a high of 68°F t and a low of 59°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 22.4mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)15°C (59°F)15°C (59°F)18°C (64°F)20°C (67°F)20°C (67°F)18°C (64°F)16°C (61°F)
Perceived temperature16°C (60°F)15°C (59°F)14°C (58°F)18°C (64°F)20°C (67°F)20°C (67°F)18°C (64°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity98%100%100%73%49%40%47%64%
Barometric pressure1006 hPa1004 hPa1005 hPa1008 hPa1010 hPa1012 hPa1014 hPa1016 hPa
Cloud cover100%100%100%8%2%0%0%0%
Heat index16°C (60°F)15°C (59°F)15°C (59°F)18°C (64°F)20°C (67°F)20°C (67°F)18°C (64°F)16°C (61°F)
Dew point16°C (60°F)15°C (59°F)15°C (59°F)13°C (55°F)9°C (48°F)6°C (42°F)6°C (44°F)9°C (48°F)
Wind
Speed16km/h (10mph)16km/h (10mph)11km/h (7mph)27km/h (17mph)22km/h (13mph)19km/h (12mph)17km/h (11mph)8km/h (5mph)
Gusts31km/h (19mph)30km/h (19mph)22km/h (14mph)36km/h (22mph)27km/h (17mph)21km/h (13mph)18km/h (11mph)17km/h (11mph)
Direction 205°
SSW
206°
SSW
235°
SW
330°
NNW
325°
NW
321°
NW
319°
NW
322°
NW
Wind chill16°C (60°F)15°C (59°F)14°C (58°F)18°C (64°F)20°C (67°F)20°C (67°F)18°C (64°F)16°C (61°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.8ft)0.5m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)
Direction 195°
SSW
195°
SSW
195°
SSW
195°
SSW
195°
SSW
203°
SSW
203°
SSW
203°
SSW
Period3.8 sec.3.8 sec.3.8 sec.4.6 sec.4.4 sec.3.9 sec.6.0 sec.6.1 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Saturday 19 July 2025

On Saturday 19 July 2025, the sun will rise at 05:55 and will set at 21:06 on the beach(es) of Saint John. The outside temperature will be a high of 68°F t and a low of 56°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 12.4mph km/h (with gusts up to 23.6mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)14°C (57°F)14°C (57°F)19°C (66°F)20°C (67°F)19°C (67°F)17°C (62°F)14°C (57°F)
Perceived temperature15°C (58°F)13°C (56°F)15°C (58°F)19°C (66°F)20°C (67°F)19°C (67°F)17°C (62°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%68%76%59%55%55%67%80%
Barometric pressure1017 hPa1017 hPa1018 hPa1018 hPa1017 hPa1016 hPa1015 hPa1015 hPa
Cloud cover8%8%8%12%14%11%32%54%
Heat index15°C (58°F)14°C (57°F)14°C (57°F)19°C (66°F)20°C (67°F)19°C (67°F)17°C (62°F)14°C (57°F)
Dew point8°C (47°F)8°C (46°F)10°C (49°F)11°C (52°F)10°C (51°F)10°C (50°F)10°C (51°F)11°C (51°F)
Wind
Speed7km/h (4mph)9km/h (5mph)4km/h (2mph)9km/h (6mph)18km/h (11mph)20km/h (13mph)18km/h (11mph)12km/h (8mph)
Gusts14km/h (9mph)18km/h (11mph)8km/h (5mph)14km/h (9mph)32km/h (20mph)38km/h (23mph)25km/h (15mph)26km/h (16mph)
Direction 317°
NW
301°
WNW
324°
NW
231°
SW
212°
SSW
211°
SSW
222°
SW
219°
SW
Wind chill15°C (58°F)13°C (56°F)15°C (58°F)19°C (66°F)20°C (67°F)19°C (67°F)17°C (62°F)13°C (56°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)0.3m (0.9ft)0.4m (1.2ft)0.5m (1.6ft)0.6m (1.9ft)
Direction 203°
SSW
203°
SSW
203°
SSW
204°
SSW
204°
SSW
204°
SSW
215°
SW
219°
SW
Period6.3 sec.7.3 sec.7.3 sec.7.2 sec.7.2 sec.7.1 sec.7.1 sec.7.0 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Sunday 20 July 2025

On Sunday 20 July 2025, the sun will rise at 05:56 and will set at 21:05 on the beach(es) of Saint John. The outside temperature will be a high of 67°F t and a low of 56°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 12.4mph km/h (with gusts up to 21.8mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (56°F)15°C (59°F)17°C (63°F)19°C (67°F)18°C (64°F)16°C (61°F)14°C (57°F)
Perceived temperature12°C (54°F)13°C (55°F)14°C (58°F)17°C (63°F)19°C (67°F)18°C (64°F)16°C (61°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity96%89%85%78%66%72%82%96%
Barometric pressure1015 hPa1013 hPa1014 hPa1014 hPa1013 hPa1013 hPa1013 hPa1013 hPa
Cloud cover25%56%84%44%20%29%25%85%
Heat index13°C (56°F)13°C (56°F)15°C (59°F)17°C (63°F)19°C (67°F)18°C (64°F)16°C (61°F)14°C (57°F)
Dew point12°C (54°F)12°C (53°F)12°C (54°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)
Wind
Speed12km/h (8mph)11km/h (7mph)11km/h (7mph)19km/h (12mph)18km/h (11mph)20km/h (12mph)15km/h (9mph)5km/h (3mph)
Gusts26km/h (16mph)23km/h (15mph)23km/h (15mph)30km/h (18mph)29km/h (18mph)35km/h (22mph)29km/h (18mph)11km/h (7mph)
Direction 211°
SSW
227°
SW
246°
WSW
221°
SW
223°
SW
219°
SW
237°
WSW
255°
WSW
Wind chill12°C (54°F)13°C (55°F)14°C (58°F)17°C (63°F)19°C (67°F)18°C (64°F)16°C (61°F)14°C (57°F)
Waves
Height0.5m (1.7ft)0.4m (1.4ft)0.3m (1.1ft)0.4m (1.2ft)0.5m (1.5ft)0.8m (2.5ft)0.8m (2.6ft)0.7m (2.3ft)
Direction 213°
SSW
208°
SSW
206°
SSW
201°
SSW
204°
SSW
200°
SSW
195°
SSW
198°
SSW
Period6.9 sec.3.5 sec.6.9 sec.6.8 sec.6.7 sec.6.7 sec.6.7 sec.6.6 sec.
Significant height0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Monday 21 July 2025

On Monday 21 July 2025, the sun will rise at 05:57 and will set at 21:04 on the beach(es) of Saint John. The outside temperature will be a high of 67°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 7.5mph km/h (with gusts up to 15.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)12°C (54°F)11°C (52°F)15°C (60°F)17°C (63°F)19°C (66°F)18°C (64°F)15°C (59°F)
Perceived temperature15°C (59°F)11°C (52°F)10°C (50°F)15°C (59°F)17°C (63°F)19°C (66°F)18°C (64°F)15°C (59°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%94%87%57%49%47%57%71%
Barometric pressure1014 hPa1014 hPa1016 hPa1016 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover15%8%2%1%3%12%19%14%
Heat index15°C (59°F)12°C (54°F)11°C (52°F)15°C (60°F)17°C (63°F)19°C (66°F)18°C (64°F)15°C (59°F)
Dew point14°C (56°F)11°C (52°F)9°C (49°F)7°C (45°F)6°C (43°F)8°C (46°F)9°C (48°F)10°C (50°F)
Wind
Speed7km/h (4mph)12km/h (7mph)11km/h (7mph)12km/h (7mph)9km/h (6mph)9km/h (6mph)10km/h (6mph)10km/h (6mph)
Gusts15km/h (9mph)25km/h (16mph)23km/h (14mph)18km/h (11mph)17km/h (10mph)15km/h (10mph)20km/h (13mph)21km/h (13mph)
Direction 332°
NNW
354°
N
349°
NNW
334°
NNW
303°
WNW
290°
WNW
298°
WNW
274°
W
Wind chill15°C (59°F)11°C (52°F)10°C (50°F)15°C (59°F)17°C (63°F)19°C (66°F)18°C (64°F)15°C (59°F)
Waves
Height0.6m (1.9ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)
Direction 198°
SSW
196°
SSW
198°
SSW
203°
SSW
203°
SSW
207°
SSW
218°
SW
221°
SW
Period5.6 sec.3.6 sec.4.4 sec.6.1 sec.6.0 sec.4.7 sec.3.5 sec.5.9 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Tuesday 22 July 2025

On Tuesday 22 July 2025, the sun will rise at 05:58 and will set at 21:03 on the beach(es) of Saint John. The outside temperature will be a high of 68°F t and a low of 58°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 18mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)14°C (57°F)15°C (59°F)18°C (65°F)19°C (67°F)18°C (64°F)17°C (62°F)14°C (57°F)
Perceived temperature14°C (58°F)14°C (57°F)16°C (60°F)18°C (65°F)19°C (67°F)18°C (64°F)17°C (62°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%75%72%65%63%69%75%88%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1016 hPa1016 hPa1016 hPa1017 hPa
Cloud cover30%39%21%9%22%35%17%14%
Heat index15°C (58°F)14°C (57°F)15°C (59°F)18°C (65°F)19°C (67°F)18°C (64°F)17°C (62°F)14°C (57°F)
Dew point9°C (49°F)10°C (49°F)10°C (50°F)11°C (52°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)
Wind
Speed9km/h (6mph)8km/h (5mph)5km/h (3mph)8km/h (5mph)13km/h (8mph)14km/h (9mph)11km/h (7mph)9km/h (6mph)
Gusts19km/h (12mph)17km/h (11mph)9km/h (6mph)12km/h (7mph)23km/h (15mph)29km/h (18mph)22km/h (14mph)20km/h (12mph)
Direction 285°
WNW
293°
WNW
294°
WNW
246°
WSW
226°
SW
205°
SSW
198°
SSW
204°
SSW
Wind chill14°C (58°F)14°C (57°F)16°C (60°F)18°C (65°F)19°C (67°F)18°C (64°F)17°C (62°F)14°C (57°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)
Direction 217°
SW
212°
SSW
209°
SSW
208°
SSW
208°
SSW
205°
SSW
205°
SSW
205°
SSW
Period5.9 sec.5.9 sec.5.9 sec.5.9 sec.5.9 sec.6.5 sec.6.5 sec.4.1 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Wednesday 23 July 2025

On Wednesday 23 July 2025, the sun will rise at 05:59 and will set at 21:02 on the beach(es) of Saint John. The outside temperature will be a high of 65°F t and a low of 58°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 16.2mph km/h (with gusts up to 21.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (58°F)15°C (59°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (62°F)15°C (59°F)
Perceived temperature14°C (56°F)14°C (57°F)15°C (58°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (62°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%85%86%78%76%74%76%87%
Barometric pressure1018 hPa1019 hPa1019 hPa1019 hPa1019 hPa1018 hPa1017 hPa1017 hPa
Cloud cover16%12%10%13%8%11%18%17%
Heat index14°C (57°F)14°C (58°F)15°C (59°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (62°F)15°C (59°F)
Dew point12°C (53°F)12°C (53°F)13°C (55°F)14°C (56°F)13°C (56°F)13°C (55°F)12°C (54°F)13°C (55°F)
Wind
Speed8km/h (5mph)10km/h (6mph)11km/h (7mph)14km/h (9mph)19km/h (12mph)24km/h (15mph)26km/h (16mph)22km/h (14mph)
Gusts16km/h (10mph)21km/h (13mph)21km/h (13mph)21km/h (13mph)29km/h (18mph)34km/h (21mph)28km/h (17mph)24km/h (15mph)
Direction 231°
SW
224°
SW
212°
SSW
205°
SSW
205°
SSW
213°
SSW
214°
SSW
212°
SSW
Wind chill14°C (56°F)14°C (57°F)15°C (58°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (62°F)15°C (58°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.5m (1.6ft)0.6m (2.0ft)
Direction 205°
SSW
205°
SSW
204°
SSW
203°
SSW
202°
SSW
202°
SSW
202°
SSW
201°
SSW
Period3.9 sec.4.2 sec.5.0 sec.5.2 sec.5.2 sec.5.7 sec.6.8 sec.6.9 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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