11 (月)	06:57	00:25	17:54	12:02
	84cm	13cm	107cm	56cm
中潮 出 05:45 入 17:04 出 11:18 入 20:20

函館（北海道）2021年10月11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
10/11 00:00	13.4	↓-0.8
10/11 00:10	12.9	↓-0.5
10/11 00:20	12.6	↓-0.3	干潮
10/11 00:30	12.6	0
10/11 00:40	12.9	↑0.3
10/11 00:50	13.5	↑0.6
10/11 01:00	14.3	↑0.8
10/11 01:10	15.3	↑1.0
10/11 01:20	16.6	↑1.3
10/11 01:30	18.1	↑1.5
10/11 01:40	19.8	↑1.7
10/11 01:50	21.7	↑1.9
10/11 02:00	23.8	↑2.1
10/11 02:10	26.0	↑2.2
10/11 02:20	28.4	↑2.4
10/11 02:30	30.9	↑2.5
10/11 02:40	33.5	↑2.6
10/11 02:50	36.2	↑2.7
10/11 03:00	38.9	↑2.7
10/11 03:10	41.7	↑2.8
10/11 03:20	44.6	↑2.9
10/11 03:30	47.4	↑2.8
10/11 03:40	50.3	↑2.9
10/11 03:50	53.1	↑2.8
10/11 04:00	55.9	↑2.8
10/11 04:10	58.6	↑2.7
10/11 04:20	61.2	↑2.6
10/11 04:30	63.8	↑2.6
10/11 04:40	66.2	↑2.4
10/11 04:50	68.6	↑2.4
10/11 05:00	70.7	↑2.1
10/11 05:10	72.8	↑2.1
10/11 05:20	74.6	↑1.8
10/11 05:30	76.3	↑1.7
10/11 05:40	77.8	↑1.5
10/11 05:50	79.1	↑1.3
10/11 06:00	80.2	↑1.1
10/11 06:10	81.2	↑1.0
10/11 06:20	81.9	↑0.7
10/11 06:30	82.4	↑0.5
10/11 06:40	82.8	↑0.4
10/11 06:50	83.0	↑0.2	満潮
10/11 07:00	83.0	0
10/11 07:10	82.8	↓-0.2
10/11 07:20	82.5	↓-0.3
10/11 07:30	82.1	↓-0.4
10/11 07:40	81.5	↓-0.6
10/11 07:50	80.8	↓-0.7
10/11 08:00	80.1	↓-0.7
10/11 08:10	79.2	↓-0.9
10/11 08:20	78.2	↓-1.0
10/11 08:30	77.1	↓-1.1
10/11 08:40	76.0	↓-1.1
10/11 08:50	74.8	↓-1.2
10/11 09:00	73.6	↓-1.2
10/11 09:10	72.3	↓-1.3
10/11 09:20	71.0	↓-1.3
10/11 09:30	69.7	↓-1.3
10/11 09:40	68.4	↓-1.3
10/11 09:50	67.0	↓-1.4
10/11 10:00	65.7	↓-1.3
10/11 10:10	64.5	↓-1.2
10/11 10:20	63.2	↓-1.3
10/11 10:30	62.0	↓-1.2
10/11 10:40	60.9	↓-1.1
10/11 10:50	59.8	↓-1.1
10/11 11:00	58.9	↓-0.9
10/11 11:10	58.0	↓-0.9
10/11 11:20	57.3	↓-0.7
10/11 11:30	56.7	↓-0.6
10/11 11:40	56.3	↓-0.4
10/11 11:50	56.0	↓-0.3
10/11 12:00	55.9	↓-0.1	干潮
10/11 12:10	56.0	↑0.1
10/11 12:20	56.3	↑0.3
10/11 12:30	56.7	↑0.4
10/11 12:40	57.4	↑0.7
10/11 12:50	58.2	↑0.8
10/11 13:00	59.2	↑1.0
10/11 13:10	60.3	↑1.1
10/11 13:20	61.7	↑1.4
10/11 13:30	63.2	↑1.5
10/11 13:40	64.8	↑1.6
10/11 13:50	66.6	↑1.8
10/11 14:00	68.4	↑1.8
10/11 14:10	70.4	↑2.0
10/11 14:20	72.5	↑2.1
10/11 14:30	74.6	↑2.1
10/11 14:40	76.8	↑2.2
10/11 14:50	79.0	↑2.2
10/11 15:00	81.3	↑2.3
10/11 15:10	83.5	↑2.2
10/11 15:20	85.7	↑2.2
10/11 15:30	87.9	↑2.2
10/11 15:40	90.1	↑2.2
10/11 15:50	92.1	↑2.0
10/11 16:00	94.1	↑2.0
10/11 16:10	96.1	↑2.0
10/11 16:20	97.8	↑1.7
10/11 16:30	99.5	↑1.7
10/11 16:40	101.0	↑1.5
10/11 16:50	102.4	↑1.4
10/11 17:00	103.6	↑1.2
10/11 17:10	104.6	↑1.0
10/11 17:20	105.4	↑0.8
10/11 17:30	106.1	↑0.7
10/11 17:40	106.5	↑0.4
10/11 17:50	106.6	↑0.1	満潮
10/11 18:00	106.6	0
10/11 18:10	106.3	↓-0.3
10/11 18:20	105.8	↓-0.5
10/11 18:30	105.1	↓-0.7
10/11 18:40	104.1	↓-1.0
10/11 18:50	102.9	↓-1.2
10/11 19:00	101.5	↓-1.4
10/11 19:10	99.9	↓-1.6
10/11 19:20	98.1	↓-1.8
10/11 19:30	96.1	↓-2.0
10/11 19:40	93.9	↓-2.2
10/11 19:50	91.6	↓-2.3
10/11 20:00	89.1	↓-2.5
10/11 20:10	86.5	↓-2.6
10/11 20:20	83.8	↓-2.7
10/11 20:30	81.0	↓-2.8
10/11 20:40	78.1	↓-2.9
10/11 20:50	75.1	↓-3.0
10/11 21:00	72.1	↓-3.0
10/11 21:10	69.0	↓-3.1
10/11 21:20	65.9	↓-3.1
10/11 21:30	62.8	↓-3.1
10/11 21:40	59.6	↓-3.2	最大潮位差
10/11 21:50	56.5	↓-3.1
10/11 22:00	53.4	↓-3.1
10/11 22:10	50.3	↓-3.1
10/11 22:20	47.2	↓-3.1
10/11 22:30	44.2	↓-3.0
10/11 22:40	41.3	↓-2.9
10/11 22:50	38.5	↓-2.8
10/11 23:00	35.8	↓-2.7
10/11 23:10	33.2	↓-2.6
10/11 23:20	30.8	↓-2.4
10/11 23:30	28.5	↓-2.3
10/11 23:40	26.4	↓-2.1
10/11 23:50	24.5	↓-1.9