18 (木)	00:57	08:16	14:27	20:00
	84cm	21cm	74cm	50cm
中潮 出 04:04 入 19:15 出 02:04 入 16:11 潮干狩り ○ 07:38～08:51

函館（北海道）2020年06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
6/18 00:00	81.1	↑1.0
6/18 00:10	82.0	↑0.9
6/18 00:20	82.7	↑0.7
6/18 00:30	83.2	↑0.5
6/18 00:40	83.6	↑0.4
6/18 00:50	83.8	↑0.2	満潮
6/18 01:00	83.8	0
6/18 01:10	83.6	↓-0.2
6/18 01:20	83.3	↓-0.3
6/18 01:30	82.8	↓-0.5
6/18 01:40	82.2	↓-0.6
6/18 01:50	81.3	↓-0.9
6/18 02:00	80.4	↓-0.9
6/18 02:10	79.3	↓-1.1
6/18 02:20	78.1	↓-1.2
6/18 02:30	76.7	↓-1.4
6/18 02:40	75.2	↓-1.5
6/18 02:50	73.7	↓-1.5
6/18 03:00	72.0	↓-1.7
6/18 03:10	70.2	↓-1.8
6/18 03:20	68.3	↓-1.9
6/18 03:30	66.4	↓-1.9
6/18 03:40	64.4	↓-2.0
6/18 03:50	62.3	↓-2.1
6/18 04:00	60.2	↓-2.1
6/18 04:10	58.0	↓-2.2
6/18 04:20	55.8	↓-2.2
6/18 04:30	53.6	↓-2.2
6/18 04:40	51.3	↓-2.3
6/18 04:50	49.1	↓-2.2
6/18 05:00	46.9	↓-2.2
6/18 05:10	44.7	↓-2.2
6/18 05:20	42.5	↓-2.2
6/18 05:30	40.4	↓-2.1
6/18 05:40	38.3	↓-2.1
6/18 05:50	36.3	↓-2.0
6/18 06:00	34.4	↓-1.9
6/18 06:10	32.6	↓-1.8
6/18 06:20	30.9	↓-1.7
6/18 06:30	29.3	↓-1.6
6/18 06:40	27.8	↓-1.5
6/18 06:50	26.4	↓-1.4
6/18 07:00	25.2	↓-1.2
6/18 07:10	24.1	↓-1.1
6/18 07:20	23.1	↓-1.0
6/18 07:30	22.3	↓-0.8
6/18 07:40	21.6	↓-0.7
6/18 07:50	21.1	↓-0.5
6/18 08:00	20.7	↓-0.4
6/18 08:10	20.6	↓-0.1	干潮
6/18 08:20	20.6	0
6/18 08:30	20.8	↑0.2
6/18 08:40	21.1	↑0.3
6/18 08:50	21.7	↑0.6
6/18 09:00	22.4	↑0.7
6/18 09:10	23.4	↑1.0
6/18 09:20	24.5	↑1.1
6/18 09:30	25.8	↑1.3
6/18 09:40	27.3	↑1.5
6/18 09:50	28.9	↑1.6
6/18 10:00	30.7	↑1.8
6/18 10:10	32.7	↑2.0
6/18 10:20	34.7	↑2.0
6/18 10:30	36.9	↑2.2
6/18 10:40	39.2	↑2.3
6/18 10:50	41.5	↑2.3
6/18 11:00	43.9	↑2.4	最大潮位差
6/18 11:10	46.2	↑2.3
6/18 11:20	48.6	↑2.4	最大潮位差
6/18 11:30	51.0	↑2.4	最大潮位差
6/18 11:40	53.3	↑2.3
6/18 11:50	55.5	↑2.2
6/18 12:00	57.7	↑2.2
6/18 12:10	59.7	↑2.0
6/18 12:20	61.6	↑1.9
6/18 12:30	63.4	↑1.8
6/18 12:40	65.1	↑1.7
6/18 12:50	66.5	↑1.4
6/18 13:00	67.9	↑1.4
6/18 13:10	69.1	↑1.2
6/18 13:20	70.1	↑1.0
6/18 13:30	70.9	↑0.8
6/18 13:40	71.7	↑0.8
6/18 13:50	72.2	↑0.5
6/18 14:00	72.6	↑0.4
6/18 14:10	72.9	↑0.3
6/18 14:20	73.0	↑0.1	満潮
6/18 14:30	73.0	0
6/18 14:40	72.9	↓-0.1
6/18 14:50	72.7	↓-0.2
6/18 15:00	72.4	↓-0.3
6/18 15:10	72.0	↓-0.4
6/18 15:20	71.5	↓-0.5
6/18 15:30	70.9	↓-0.6
6/18 15:40	70.2	↓-0.7
6/18 15:50	69.4	↓-0.8
6/18 16:00	68.6	↓-0.8
6/18 16:10	67.7	↓-0.9
6/18 16:20	66.8	↓-0.9
6/18 16:30	65.8	↓-1.0
6/18 16:40	64.8	↓-1.0
6/18 16:50	63.8	↓-1.0
6/18 17:00	62.7	↓-1.1
6/18 17:10	61.6	↓-1.1
6/18 17:20	60.6	↓-1.0
6/18 17:30	59.5	↓-1.1
6/18 17:40	58.4	↓-1.1
6/18 17:50	57.4	↓-1.0
6/18 18:00	56.4	↓-1.0
6/18 18:10	55.5	↓-0.9
6/18 18:20	54.6	↓-0.9
6/18 18:30	53.7	↓-0.9
6/18 18:40	53.0	↓-0.7
6/18 18:50	52.3	↓-0.7
6/18 19:00	51.6	↓-0.7
6/18 19:10	51.1	↓-0.5
6/18 19:20	50.7	↓-0.4
6/18 19:30	50.3	↓-0.4
6/18 19:40	50.0	↓-0.3
6/18 19:50	49.9	↓-0.1	干潮
6/18 20:00	49.9	0	干潮
6/18 20:10	49.9	0
6/18 20:20	50.1	↑0.2
6/18 20:30	50.4	↑0.3
6/18 20:40	50.9	↑0.5
6/18 20:50	51.4	↑0.5
6/18 21:00	52.1	↑0.7
6/18 21:10	53.0	↑0.9
6/18 21:20	53.9	↑0.9
6/18 21:30	55.0	↑1.1
6/18 21:40	56.2	↑1.2
6/18 21:50	57.6	↑1.4
6/18 22:00	59.1	↑1.5
6/18 22:10	60.6	↑1.5
6/18 22:20	62.3	↑1.7
6/18 22:30	64.1	↑1.8
6/18 22:40	65.9	↑1.8
6/18 22:50	67.8	↑1.9
6/18 23:00	69.7	↑1.9
6/18 23:10	71.6	↑1.9
6/18 23:20	73.5	↑1.9
6/18 23:30	75.4	↑1.9
6/18 23:40	77.3	↑1.9
6/18 23:50	79.0	↑1.7