1 (水)	00:59	07:00	12:55	20:00
	70cm	38cm	85cm	21cm
中潮 出 06:44 入 16:10 出 02:31 入 14:11

函館（北海道）2021年12月1日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/1 00:00	67.3	↑0.9
12/1 00:10	68.1	↑0.8
12/1 00:20	68.7	↑0.6
12/1 00:30	69.2	↑0.5
12/1 00:40	69.5	↑0.3
12/1 00:50	69.7	↑0.2	満潮
12/1 01:00	69.8	↑0.1
12/1 01:10	69.7	↓-0.1
12/1 01:20	69.4	↓-0.3
12/1 01:30	69.1	↓-0.3
12/1 01:40	68.6	↓-0.5
12/1 01:50	68.0	↓-0.6
12/1 02:00	67.4	↓-0.6
12/1 02:10	66.6	↓-0.8
12/1 02:20	65.7	↓-0.9
12/1 02:30	64.7	↓-1.0
12/1 02:40	63.7	↓-1.0
12/1 02:50	62.5	↓-1.2
12/1 03:00	61.4	↓-1.1
12/1 03:10	60.1	↓-1.3
12/1 03:20	58.8	↓-1.3
12/1 03:30	57.5	↓-1.3
12/1 03:40	56.2	↓-1.3
12/1 03:50	54.8	↓-1.4
12/1 04:00	53.4	↓-1.4
12/1 04:10	52.1	↓-1.3
12/1 04:20	50.7	↓-1.4
12/1 04:30	49.4	↓-1.3
12/1 04:40	48.1	↓-1.3
12/1 04:50	46.8	↓-1.3
12/1 05:00	45.6	↓-1.2
12/1 05:10	44.5	↓-1.1
12/1 05:20	43.4	↓-1.1
12/1 05:30	42.4	↓-1.0
12/1 05:40	41.5	↓-0.9
12/1 05:50	40.7	↓-0.8
12/1 06:00	40.0	↓-0.7
12/1 06:10	39.4	↓-0.6
12/1 06:20	38.9	↓-0.5
12/1 06:30	38.5	↓-0.4
12/1 06:40	38.2	↓-0.3
12/1 06:50	38.0	↓-0.2	干潮
12/1 07:00	38.0	0	干潮
12/1 07:10	38.0	0
12/1 07:20	38.2	↑0.2
12/1 07:30	38.6	↑0.4
12/1 07:40	39.0	↑0.4
12/1 07:50	39.6	↑0.6
12/1 08:00	40.3	↑0.7
12/1 08:10	41.2	↑0.9
12/1 08:20	42.2	↑1.0
12/1 08:30	43.3	↑1.1
12/1 08:40	44.6	↑1.3
12/1 08:50	46.0	↑1.4
12/1 09:00	47.6	↑1.6
12/1 09:10	49.3	↑1.7
12/1 09:20	51.0	↑1.7
12/1 09:30	52.9	↑1.9
12/1 09:40	54.9	↑2.0
12/1 09:50	56.9	↑2.0
12/1 10:00	59.0	↑2.1
12/1 10:10	61.2	↑2.2
12/1 10:20	63.3	↑2.1
12/1 10:30	65.5	↑2.2
12/1 10:40	67.6	↑2.1
12/1 10:50	69.7	↑2.1
12/1 11:00	71.7	↑2.0
12/1 11:10	73.6	↑1.9
12/1 11:20	75.4	↑1.8
12/1 11:30	77.0	↑1.6
12/1 11:40	78.6	↑1.6
12/1 11:50	79.9	↑1.3
12/1 12:00	81.1	↑1.2
12/1 12:10	82.1	↑1.0
12/1 12:20	82.8	↑0.7
12/1 12:30	83.4	↑0.6
12/1 12:40	83.8	↑0.4
12/1 12:50	84.0	↑0.2	満潮
12/1 13:00	84.0	0
12/1 13:10	83.8	↓-0.2
12/1 13:20	83.3	↓-0.5
12/1 13:30	82.7	↓-0.6
12/1 13:40	82.0	↓-0.7
12/1 13:50	81.0	↓-1.0
12/1 14:00	79.9	↓-1.1
12/1 14:10	78.7	↓-1.2
12/1 14:20	77.3	↓-1.4
12/1 14:30	75.7	↓-1.6
12/1 14:40	74.1	↓-1.6
12/1 14:50	72.3	↓-1.8
12/1 15:00	70.5	↓-1.8
12/1 15:10	68.5	↓-2.0
12/1 15:20	66.4	↓-2.1
12/1 15:30	64.3	↓-2.1
12/1 15:40	62.2	↓-2.1
12/1 15:50	59.9	↓-2.3
12/1 16:00	57.7	↓-2.2
12/1 16:10	55.4	↓-2.3
12/1 16:20	53.1	↓-2.3
12/1 16:30	50.8	↓-2.3
12/1 16:40	48.5	↓-2.3
12/1 16:50	46.2	↓-2.3
12/1 17:00	44.0	↓-2.2
12/1 17:10	41.8	↓-2.2
12/1 17:20	39.6	↓-2.2
12/1 17:30	37.6	↓-2.0
12/1 17:40	35.6	↓-2.0
12/1 17:50	33.7	↓-1.9
12/1 18:00	31.9	↓-1.8
12/1 18:10	30.3	↓-1.6
12/1 18:20	28.7	↓-1.6
12/1 18:30	27.3	↓-1.4
12/1 18:40	26.0	↓-1.3
12/1 18:50	24.8	↓-1.2
12/1 19:00	23.8	↓-1.0
12/1 19:10	22.9	↓-0.9
12/1 19:20	22.2	↓-0.7
12/1 19:30	21.6	↓-0.6
12/1 19:40	21.2	↓-0.4
12/1 19:50	20.9	↓-0.3	干潮
12/1 20:00	20.9	0	干潮
12/1 20:10	21.0	↑0.1
12/1 20:20	21.3	↑0.3
12/1 20:30	21.7	↑0.4
12/1 20:40	22.4	↑0.7
12/1 20:50	23.2	↑0.8
12/1 21:00	24.2	↑1.0
12/1 21:10	25.4	↑1.2
12/1 21:20	26.8	↑1.4
12/1 21:30	28.4	↑1.6
12/1 21:40	30.1	↑1.7
12/1 21:50	31.9	↑1.8
12/1 22:00	34.0	↑2.1
12/1 22:10	36.1	↑2.1
12/1 22:20	38.3	↑2.2
12/1 22:30	40.7	↑2.4
12/1 22:40	43.0	↑2.3
12/1 22:50	45.5	↑2.5	最大潮位差
12/1 23:00	47.9	↑2.4
12/1 23:10	50.4	↑2.5	最大潮位差
12/1 23:20	52.8	↑2.4
12/1 23:30	55.2	↑2.4
12/1 23:40	57.5	↑2.3
12/1 23:50	59.8	↑2.3