13 (木)	07:55	00:59	18:30	13:06
	78cm	17cm	83cm	54cm
小潮 出 06:55 入 16:09 出 11:01 入 21:29

函館（北海道）2018年12月13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
12/13 00:00	20.1	↓-1.4
12/13 00:10	19.0	↓-1.1
12/13 00:20	18.1	↓-0.9
12/13 00:30	17.3	↓-0.8
12/13 00:40	16.8	↓-0.5
12/13 00:50	16.6	↓-0.2	干潮
12/13 01:00	16.5	↓-0.1
12/13 01:10	16.6	↑0.1
12/13 01:20	17.0	↑0.4
12/13 01:30	17.5	↑0.5
12/13 01:40	18.3	↑0.8
12/13 01:50	19.2	↑0.9
12/13 02:00	20.3	↑1.1
12/13 02:10	21.6	↑1.3
12/13 02:20	23.0	↑1.4
12/13 02:30	24.6	↑1.6
12/13 02:40	26.3	↑1.7
12/13 02:50	28.1	↑1.8
12/13 03:00	30.1	↑2.0
12/13 03:10	32.1	↑2.0
12/13 03:20	34.2	↑2.1
12/13 03:30	36.4	↑2.2
12/13 03:40	38.6	↑2.2
12/13 03:50	40.9	↑2.3	最大潮位差
12/13 04:00	43.2	↑2.3	最大潮位差
12/13 04:10	45.5	↑2.3	最大潮位差
12/13 04:20	47.8	↑2.3	最大潮位差
12/13 04:30	50.1	↑2.3	最大潮位差
12/13 04:40	52.4	↑2.3	最大潮位差
12/13 04:50	54.7	↑2.3	最大潮位差
12/13 05:00	56.9	↑2.2
12/13 05:10	59.0	↑2.1
12/13 05:20	61.1	↑2.1
12/13 05:30	63.0	↑1.9
12/13 05:40	64.9	↑1.9
12/13 05:50	66.6	↑1.7
12/13 06:00	68.3	↑1.7
12/13 06:10	69.8	↑1.5
12/13 06:20	71.1	↑1.3
12/13 06:30	72.4	↑1.3
12/13 06:40	73.5	↑1.1
12/13 06:50	74.4	↑0.9
12/13 07:00	75.2	↑0.8
12/13 07:10	75.8	↑0.6
12/13 07:20	76.3	↑0.5
12/13 07:30	76.7	↑0.4
12/13 07:40	76.9	↑0.2
12/13 07:50	77.0	↑0.1	満潮
12/13 08:00	77.0	0
12/13 08:10	76.9	↓-0.1
12/13 08:20	76.7	↓-0.2
12/13 08:30	76.3	↓-0.4
12/13 08:40	75.9	↓-0.4
12/13 08:50	75.4	↓-0.5
12/13 09:00	74.8	↓-0.6
12/13 09:10	74.1	↓-0.7
12/13 09:20	73.3	↓-0.8
12/13 09:30	72.5	↓-0.8
12/13 09:40	71.6	↓-0.9
12/13 09:50	70.6	↓-1.0
12/13 10:00	69.6	↓-1.0
12/13 10:10	68.6	↓-1.0
12/13 10:20	67.5	↓-1.1
12/13 10:30	66.3	↓-1.2
12/13 10:40	65.2	↓-1.1
12/13 10:50	64.0	↓-1.2
12/13 11:00	62.9	↓-1.1
12/13 11:10	61.7	↓-1.2
12/13 11:20	60.6	↓-1.1
12/13 11:30	59.5	↓-1.1
12/13 11:40	58.5	↓-1.0
12/13 11:50	57.6	↓-0.9
12/13 12:00	56.7	↓-0.9
12/13 12:10	55.9	↓-0.8
12/13 12:20	55.3	↓-0.6
12/13 12:30	54.7	↓-0.6
12/13 12:40	54.3	↓-0.4
12/13 12:50	54.0	↓-0.3
12/13 13:00	53.9	↓-0.1	干潮
12/13 13:10	53.9	0
12/13 13:20	54.0	↑0.1
12/13 13:30	54.3	↑0.3
12/13 13:40	54.7	↑0.4
12/13 13:50	55.2	↑0.5
12/13 14:00	55.9	↑0.7
12/13 14:10	56.7	↑0.8
12/13 14:20	57.5	↑0.8
12/13 14:30	58.5	↑1.0
12/13 14:40	59.6	↑1.1
12/13 14:50	60.7	↑1.1
12/13 15:00	61.9	↑1.2
12/13 15:10	63.1	↑1.2
12/13 15:20	64.4	↑1.3
12/13 15:30	65.7	↑1.3
12/13 15:40	67.0	↑1.3
12/13 15:50	68.4	↑1.4
12/13 16:00	69.7	↑1.3
12/13 16:10	71.0	↑1.3
12/13 16:20	72.3	↑1.3
12/13 16:30	73.6	↑1.3
12/13 16:40	74.8	↑1.2
12/13 16:50	76.0	↑1.2
12/13 17:00	77.1	↑1.1
12/13 17:10	78.1	↑1.0
12/13 17:20	79.1	↑1.0
12/13 17:30	79.9	↑0.8
12/13 17:40	80.6	↑0.7
12/13 17:50	81.2	↑0.6
12/13 18:00	81.7	↑0.5
12/13 18:10	82.1	↑0.4
12/13 18:20	82.3	↑0.2	満潮
12/13 18:30	82.3	0	満潮
12/13 18:40	82.2	↓-0.1
12/13 18:50	82.0	↓-0.2
12/13 19:00	81.6	↓-0.4
12/13 19:10	81.0	↓-0.6
12/13 19:20	80.3	↓-0.7
12/13 19:30	79.4	↓-0.9
12/13 19:40	78.3	↓-1.1
12/13 19:50	77.2	↓-1.1
12/13 20:00	75.9	↓-1.3
12/13 20:10	74.4	↓-1.5
12/13 20:20	72.9	↓-1.5
12/13 20:30	71.2	↓-1.7
12/13 20:40	69.5	↓-1.7
12/13 20:50	67.6	↓-1.9
12/13 21:00	65.7	↓-1.9
12/13 21:10	63.8	↓-1.9
12/13 21:20	61.7	↓-2.1
12/13 21:30	59.6	↓-2.1
12/13 21:40	57.5	↓-2.1
12/13 21:50	55.3	↓-2.2
12/13 22:00	53.1	↓-2.2
12/13 22:10	50.9	↓-2.2
12/13 22:20	48.7	↓-2.2
12/13 22:30	46.5	↓-2.2
12/13 22:40	44.3	↓-2.2
12/13 22:50	42.1	↓-2.2
12/13 23:00	40.0	↓-2.1
12/13 23:10	37.9	↓-2.1
12/13 23:20	35.8	↓-2.1
12/13 23:30	33.8	↓-2.0
12/13 23:40	32.0	↓-1.8
12/13 23:50	30.2	↓-1.8