18 (水)	09:18	02:12	-	17:57
	76cm	54cm	-	23cm
小潮 出 05:45 入 17:49 出 02:26 入 11:42

函館（北海道）2020年03月18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
3/18 00:00	54.9	0
3/18 00:10	54.8	↓-0.1
3/18 00:20	54.7	↓-0.1
3/18 00:30	54.6	↓-0.1
3/18 00:40	54.5	↓-0.1
3/18 00:50	54.3	↓-0.2
3/18 01:00	54.1	↓-0.2
3/18 01:10	54.0	↓-0.1
3/18 01:20	53.8	↓-0.2
3/18 01:30	53.7	↓-0.1
3/18 01:40	53.5	↓-0.2
3/18 01:50	53.4	↓-0.1
3/18 02:00	53.4	0
3/18 02:10	53.3	↓-0.1	干潮
3/18 02:20	53.4	↑0.1
3/18 02:30	53.4	0
3/18 02:40	53.6	↑0.2
3/18 02:50	53.7	↑0.1
3/18 03:00	54.0	↑0.3
3/18 03:10	54.3	↑0.3
3/18 03:20	54.6	↑0.3
3/18 03:30	55.1	↑0.5
3/18 03:40	55.5	↑0.4
3/18 03:50	56.0	↑0.5
3/18 04:00	56.6	↑0.6
3/18 04:10	57.2	↑0.6
3/18 04:20	57.8	↑0.6
3/18 04:30	58.5	↑0.7
3/18 04:40	59.2	↑0.7
3/18 04:50	59.8	↑0.6
3/18 05:00	60.5	↑0.7
3/18 05:10	61.2	↑0.7
3/18 05:20	62.0	↑0.8
3/18 05:30	62.7	↑0.7
3/18 05:40	63.4	↑0.7
3/18 05:50	64.1	↑0.7
3/18 06:00	64.8	↑0.7
3/18 06:10	65.5	↑0.7
3/18 06:20	66.2	↑0.7
3/18 06:30	66.9	↑0.7
3/18 06:40	67.6	↑0.7
3/18 06:50	68.3	↑0.7
3/18 07:00	69.0	↑0.7
3/18 07:10	69.7	↑0.7
3/18 07:20	70.4	↑0.7
3/18 07:30	71.1	↑0.7
3/18 07:40	71.7	↑0.6
3/18 07:50	72.4	↑0.7
3/18 08:00	73.0	↑0.6
3/18 08:10	73.5	↑0.5
3/18 08:20	74.0	↑0.5
3/18 08:30	74.5	↑0.5
3/18 08:40	74.9	↑0.4
3/18 08:50	75.2	↑0.3
3/18 09:00	75.4	↑0.2
3/18 09:10	75.5	↑0.1	満潮
3/18 09:20	75.5	0
3/18 09:30	75.4	↓-0.1
3/18 09:40	75.3	↓-0.1
3/18 09:50	75.0	↓-0.3
3/18 10:00	74.5	↓-0.5
3/18 10:10	74.0	↓-0.5
3/18 10:20	73.4	↓-0.6
3/18 10:30	72.6	↓-0.8
3/18 10:40	71.8	↓-0.8
3/18 10:50	70.9	↓-0.9
3/18 11:00	69.8	↓-1.1
3/18 11:10	68.7	↓-1.1
3/18 11:20	67.5	↓-1.2
3/18 11:30	66.2	↓-1.3
3/18 11:40	64.8	↓-1.4
3/18 11:50	63.4	↓-1.4
3/18 12:00	62.0	↓-1.4
3/18 12:10	60.4	↓-1.6
3/18 12:20	58.8	↓-1.6
3/18 12:30	57.2	↓-1.6
3/18 12:40	55.6	↓-1.6
3/18 12:50	53.9	↓-1.7
3/18 13:00	52.2	↓-1.7
3/18 13:10	50.5	↓-1.7
3/18 13:20	48.7	↓-1.8	最大潮位差
3/18 13:30	47.0	↓-1.7
3/18 13:40	45.3	↓-1.7
3/18 13:50	43.6	↓-1.7
3/18 14:00	41.9	↓-1.7
3/18 14:10	40.3	↓-1.6
3/18 14:20	38.7	↓-1.6
3/18 14:30	37.2	↓-1.5
3/18 14:40	35.7	↓-1.5
3/18 14:50	34.3	↓-1.4
3/18 15:00	32.9	↓-1.4
3/18 15:10	31.6	↓-1.3
3/18 15:20	30.5	↓-1.1
3/18 15:30	29.4	↓-1.1
3/18 15:40	28.3	↓-1.1
3/18 15:50	27.4	↓-0.9
3/18 16:00	26.5	↓-0.9
3/18 16:10	25.8	↓-0.7
3/18 16:20	25.1	↓-0.7
3/18 16:30	24.5	↓-0.6
3/18 16:40	23.9	↓-0.6
3/18 16:50	23.5	↓-0.4
3/18 17:00	23.0	↓-0.5
3/18 17:10	22.7	↓-0.3
3/18 17:20	22.4	↓-0.3
3/18 17:30	22.2	↓-0.2
3/18 17:40	22.1	↓-0.1
3/18 17:50	22.0	↓-0.1	干潮
3/18 18:00	22.0	0
3/18 18:10	22.1	↑0.1
3/18 18:20	22.2	↑0.1
3/18 18:30	22.4	↑0.2
3/18 18:40	22.7	↑0.3
3/18 18:50	23.1	↑0.4
3/18 19:00	23.6	↑0.5
3/18 19:10	24.2	↑0.6
3/18 19:20	24.9	↑0.7
3/18 19:30	25.6	↑0.7
3/18 19:40	26.5	↑0.9
3/18 19:50	27.4	↑0.9
3/18 20:00	28.5	↑1.1
3/18 20:10	29.6	↑1.1
3/18 20:20	30.8	↑1.2
3/18 20:30	32.0	↑1.2
3/18 20:40	33.3	↑1.3
3/18 20:50	34.6	↑1.3
3/18 21:00	36.0	↑1.4
3/18 21:10	37.4	↑1.4
3/18 21:20	38.8	↑1.4
3/18 21:30	40.2	↑1.4
3/18 21:40	41.5	↑1.3
3/18 21:50	42.9	↑1.4
3/18 22:00	44.2	↑1.3
3/18 22:10	45.5	↑1.3
3/18 22:20	46.7	↑1.2
3/18 22:30	47.9	↑1.2
3/18 22:40	49.0	↑1.1
3/18 22:50	50.1	↑1.1
3/18 23:00	51.1	↑1.0
3/18 23:10	52.1	↑1.0
3/18 23:20	53.0	↑0.9
3/18 23:30	53.8	↑0.8
3/18 23:40	54.6	↑0.8
3/18 23:50	55.3	↑0.7