20 (水)	06:43	14:38	21:16	-
	89cm	31cm	58cm	-
小潮 出 03:50 入 18:47 出 10:03 入 23:44

コイセボイ（北海道）2048年05月20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
5/20 00:00	50.7	↑0.2
5/20 00:10	51.0	↑0.3
5/20 00:20	51.4	↑0.4
5/20 00:30	51.9	↑0.5
5/20 00:40	52.4	↑0.5
5/20 00:50	53.0	↑0.6
5/20 01:00	53.7	↑0.7
5/20 01:10	54.5	↑0.8
5/20 01:20	55.3	↑0.8
5/20 01:30	56.2	↑0.9
5/20 01:40	57.2	↑1.0
5/20 01:50	58.2	↑1.0
5/20 02:00	59.3	↑1.1
5/20 02:10	60.5	↑1.2
5/20 02:20	61.7	↑1.2
5/20 02:30	63.0	↑1.3
5/20 02:40	64.3	↑1.3
5/20 02:50	65.7	↑1.4
5/20 03:00	67.0	↑1.3
5/20 03:10	68.4	↑1.4
5/20 03:20	69.9	↑1.5
5/20 03:30	71.3	↑1.4
5/20 03:40	72.7	↑1.4
5/20 03:50	74.1	↑1.4
5/20 04:00	75.5	↑1.4
5/20 04:10	76.9	↑1.4
5/20 04:20	78.2	↑1.3
5/20 04:30	79.5	↑1.3
5/20 04:40	80.7	↑1.2
5/20 04:50	81.9	↑1.2
5/20 05:00	83.0	↑1.1
5/20 05:10	84.0	↑1.0
5/20 05:20	85.0	↑1.0
5/20 05:30	85.8	↑0.8
5/20 05:40	86.6	↑0.8
5/20 05:50	87.3	↑0.7
5/20 06:00	87.8	↑0.5
5/20 06:10	88.3	↑0.5
5/20 06:20	88.6	↑0.3
5/20 06:30	88.8	↑0.2
5/20 06:40	88.9	↑0.1	満潮
5/20 06:50	88.9	0
5/20 07:00	88.7	↓-0.2
5/20 07:10	88.4	↓-0.3
5/20 07:20	88.0	↓-0.4
5/20 07:30	87.5	↓-0.5
5/20 07:40	86.8	↓-0.7
5/20 07:50	86.0	↓-0.8
5/20 08:00	85.1	↓-0.9
5/20 08:10	84.1	↓-1.0
5/20 08:20	83.0	↓-1.1
5/20 08:30	81.7	↓-1.3
5/20 08:40	80.4	↓-1.3
5/20 08:50	79.0	↓-1.4
5/20 09:00	77.4	↓-1.6
5/20 09:10	75.8	↓-1.6
5/20 09:20	74.1	↓-1.7
5/20 09:30	72.4	↓-1.7
5/20 09:40	70.6	↓-1.8
5/20 09:50	68.7	↓-1.9
5/20 10:00	66.8	↓-1.9
5/20 10:10	64.9	↓-1.9
5/20 10:20	62.9	↓-2.0	最大潮位差
5/20 10:30	60.9	↓-2.0	最大潮位差
5/20 10:40	59.0	↓-1.9
5/20 10:50	57.0	↓-2.0	最大潮位差
5/20 11:00	55.0	↓-2.0	最大潮位差
5/20 11:10	53.1	↓-1.9
5/20 11:20	51.2	↓-1.9
5/20 11:30	49.4	↓-1.8
5/20 11:40	47.5	↓-1.9
5/20 11:50	45.8	↓-1.7
5/20 12:00	44.1	↓-1.7
5/20 12:10	42.5	↓-1.6
5/20 12:20	41.0	↓-1.5
5/20 12:30	39.5	↓-1.5
5/20 12:40	38.2	↓-1.3
5/20 12:50	36.9	↓-1.3
5/20 13:00	35.8	↓-1.1
5/20 13:10	34.7	↓-1.1
5/20 13:20	33.8	↓-0.9
5/20 13:30	33.0	↓-0.8
5/20 13:40	32.3	↓-0.7
5/20 13:50	31.7	↓-0.6
5/20 14:00	31.2	↓-0.5
5/20 14:10	30.8	↓-0.4
5/20 14:20	30.6	↓-0.2
5/20 14:30	30.4	↓-0.2	干潮
5/20 14:40	30.4	0
5/20 14:50	30.5	↑0.1
5/20 15:00	30.7	↑0.2
5/20 15:10	31.0	↑0.3
5/20 15:20	31.4	↑0.4
5/20 15:30	31.9	↑0.5
5/20 15:40	32.4	↑0.5
5/20 15:50	33.1	↑0.7
5/20 16:00	33.8	↑0.7
5/20 16:10	34.6	↑0.8
5/20 16:20	35.5	↑0.9
5/20 16:30	36.4	↑0.9
5/20 16:40	37.4	↑1.0
5/20 16:50	38.4	↑1.0
5/20 17:00	39.4	↑1.0
5/20 17:10	40.4	↑1.0
5/20 17:20	41.5	↑1.1
5/20 17:30	42.6	↑1.1
5/20 17:40	43.7	↑1.1
5/20 17:50	44.8	↑1.1
5/20 18:00	45.8	↑1.0
5/20 18:10	46.9	↑1.1
5/20 18:20	47.9	↑1.0
5/20 18:30	48.9	↑1.0
5/20 18:40	49.9	↑1.0
5/20 18:50	50.8	↑0.9
5/20 19:00	51.7	↑0.9
5/20 19:10	52.5	↑0.8
5/20 19:20	53.3	↑0.8
5/20 19:30	54.0	↑0.7
5/20 19:40	54.6	↑0.6
5/20 19:50	55.2	↑0.6
5/20 20:00	55.7	↑0.5
5/20 20:10	56.2	↑0.5
5/20 20:20	56.6	↑0.4
5/20 20:30	56.9	↑0.3
5/20 20:40	57.1	↑0.2
5/20 20:50	57.3	↑0.2
5/20 21:00	57.4	↑0.1
5/20 21:10	57.5	↑0.1	満潮
5/20 21:20	57.5	0
5/20 21:30	57.4	↓-0.1
5/20 21:40	57.3	↓-0.1
5/20 21:50	57.2	↓-0.1
5/20 22:00	57.0	↓-0.2
5/20 22:10	56.7	↓-0.3
5/20 22:20	56.5	↓-0.2
5/20 22:30	56.2	↓-0.3
5/20 22:40	55.9	↓-0.3
5/20 22:50	55.5	↓-0.4
5/20 23:00	55.2	↓-0.3
5/20 23:10	54.8	↓-0.4
5/20 23:20	54.4	↓-0.4
5/20 23:30	54.1	↓-0.3
5/20 23:40	53.7	↓-0.4
5/20 23:50	53.4	↓-0.3