18 (火)	10:06	02:51	-	18:36
	82cm	53cm	-	22cm
長潮 出 06:30 入 17:15 出 02:34 入 12:03

函館（北海道）2020年02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
2/18 00:00	55.5	↓-0.1
2/18 00:10	55.4	↓-0.1
2/18 00:20	55.3	↓-0.1
2/18 00:30	55.2	↓-0.1
2/18 00:40	55.0	↓-0.2
2/18 00:50	54.8	↓-0.2
2/18 01:00	54.5	↓-0.3
2/18 01:10	54.3	↓-0.2
2/18 01:20	54.0	↓-0.3
2/18 01:30	53.7	↓-0.3
2/18 01:40	53.5	↓-0.2
2/18 01:50	53.2	↓-0.3
2/18 02:00	53.0	↓-0.2
2/18 02:10	52.8	↓-0.2
2/18 02:20	52.6	↓-0.2
2/18 02:30	52.5	↓-0.1
2/18 02:40	52.4	↓-0.1
2/18 02:50	52.4	0	干潮
2/18 03:00	52.4	0
2/18 03:10	52.5	↑0.1
2/18 03:20	52.7	↑0.2
2/18 03:30	52.9	↑0.2
2/18 03:40	53.2	↑0.3
2/18 03:50	53.5	↑0.3
2/18 04:00	54.0	↑0.5
2/18 04:10	54.4	↑0.4
2/18 04:20	55.0	↑0.6
2/18 04:30	55.5	↑0.5
2/18 04:40	56.2	↑0.7
2/18 04:50	56.8	↑0.6
2/18 05:00	57.5	↑0.7
2/18 05:10	58.3	↑0.8
2/18 05:20	59.0	↑0.7
2/18 05:30	59.8	↑0.8
2/18 05:40	60.6	↑0.8
2/18 05:50	61.4	↑0.8
2/18 06:00	62.2	↑0.8
2/18 06:10	63.1	↑0.9
2/18 06:20	64.0	↑0.9
2/18 06:30	64.8	↑0.8
2/18 06:40	65.7	↑0.9
2/18 06:50	66.7	↑1.0
2/18 07:00	67.6	↑0.9
2/18 07:10	68.6	↑1.0
2/18 07:20	69.5	↑0.9
2/18 07:30	70.5	↑1.0
2/18 07:40	71.5	↑1.0
2/18 07:50	72.5	↑1.0
2/18 08:00	73.4	↑0.9
2/18 08:10	74.4	↑1.0
2/18 08:20	75.4	↑1.0
2/18 08:30	76.3	↑0.9
2/18 08:40	77.1	↑0.8
2/18 08:50	77.9	↑0.8
2/18 09:00	78.7	↑0.8
2/18 09:10	79.3	↑0.6
2/18 09:20	79.9	↑0.6
2/18 09:30	80.4	↑0.5
2/18 09:40	80.8	↑0.4
2/18 09:50	81.0	↑0.2
2/18 10:00	81.1	↑0.1	満潮
2/18 10:10	81.1	0
2/18 10:20	81.0	↓-0.1
2/18 10:30	80.7	↓-0.3
2/18 10:40	80.3	↓-0.4
2/18 10:50	79.8	↓-0.5
2/18 11:00	79.1	↓-0.7
2/18 11:10	78.3	↓-0.8
2/18 11:20	77.4	↓-0.9
2/18 11:30	76.4	↓-1.0
2/18 11:40	75.2	↓-1.2
2/18 11:50	74.0	↓-1.2
2/18 12:00	72.7	↓-1.3
2/18 12:10	71.2	↓-1.5
2/18 12:20	69.7	↓-1.5
2/18 12:30	68.1	↓-1.6
2/18 12:40	66.5	↓-1.6
2/18 12:50	64.8	↓-1.7
2/18 13:00	63.0	↓-1.8
2/18 13:10	61.2	↓-1.8
2/18 13:20	59.3	↓-1.9
2/18 13:30	57.5	↓-1.8
2/18 13:40	55.6	↓-1.9
2/18 13:50	53.6	↓-2.0	最大潮位差
2/18 14:00	51.7	↓-1.9
2/18 14:10	49.8	↓-1.9
2/18 14:20	47.9	↓-1.9
2/18 14:30	46.0	↓-1.9
2/18 14:40	44.2	↓-1.8
2/18 14:50	42.3	↓-1.9
2/18 15:00	40.6	↓-1.7
2/18 15:10	38.9	↓-1.7
2/18 15:20	37.2	↓-1.7
2/18 15:30	35.7	↓-1.5
2/18 15:40	34.2	↓-1.5
2/18 15:50	32.7	↓-1.5
2/18 16:00	31.4	↓-1.3
2/18 16:10	30.2	↓-1.2
2/18 16:20	29.0	↓-1.2
2/18 16:30	27.9	↓-1.1
2/18 16:40	26.9	↓-1.0
2/18 16:50	26.0	↓-0.9
2/18 17:00	25.2	↓-0.8
2/18 17:10	24.4	↓-0.8
2/18 17:20	23.8	↓-0.6
2/18 17:30	23.2	↓-0.6
2/18 17:40	22.7	↓-0.5
2/18 17:50	22.2	↓-0.5
2/18 18:00	21.9	↓-0.3
2/18 18:10	21.6	↓-0.3
2/18 18:20	21.4	↓-0.2
2/18 18:30	21.3	↓-0.1	干潮
2/18 18:40	21.3	0
2/18 18:50	21.4	↑0.1
2/18 19:00	21.6	↑0.2
2/18 19:10	21.9	↑0.3
2/18 19:20	22.3	↑0.4
2/18 19:30	22.9	↑0.6
2/18 19:40	23.5	↑0.6
2/18 19:50	24.2	↑0.7
2/18 20:00	25.1	↑0.9
2/18 20:10	26.1	↑1.0
2/18 20:20	27.1	↑1.0
2/18 20:30	28.3	↑1.2
2/18 20:40	29.5	↑1.2
2/18 20:50	30.9	↑1.4
2/18 21:00	32.3	↑1.4
2/18 21:10	33.7	↑1.4
2/18 21:20	35.2	↑1.5
2/18 21:30	36.7	↑1.5
2/18 21:40	38.2	↑1.5
2/18 21:50	39.8	↑1.6
2/18 22:00	41.3	↑1.5
2/18 22:10	42.8	↑1.5
2/18 22:20	44.2	↑1.4
2/18 22:30	45.6	↑1.4
2/18 22:40	47.0	↑1.4
2/18 22:50	48.3	↑1.3
2/18 23:00	49.5	↑1.2
2/18 23:10	50.7	↑1.2
2/18 23:20	51.8	↑1.1
2/18 23:30	52.8	↑1.0
2/18 23:40	53.8	↑1.0
2/18 23:50	54.7	↑0.9