20 (日)	06:25	14:27	21:07	-
	93cm	28cm	56cm	-
小潮 出 03:50 入 18:47 出 09:44 入 23:41

コイセボイ（北海道）2029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	51.1	↑0.5
5/20 00:10	51.6	↑0.5
5/20 00:20	52.2	↑0.6
5/20 00:30	53.0	↑0.8
5/20 00:40	53.8	↑0.8
5/20 00:50	54.6	↑0.8
5/20 01:00	55.6	↑1.0
5/20 01:10	56.6	↑1.0
5/20 01:20	57.7	↑1.1
5/20 01:30	58.9	↑1.2
5/20 01:40	60.1	↑1.2
5/20 01:50	61.4	↑1.3
5/20 02:00	62.8	↑1.4
5/20 02:10	64.2	↑1.4
5/20 02:20	65.7	↑1.5
5/20 02:30	67.2	↑1.5
5/20 02:40	68.7	↑1.5
5/20 02:50	70.2	↑1.5
5/20 03:00	71.8	↑1.6
5/20 03:10	73.3	↑1.5
5/20 03:20	74.9	↑1.6
5/20 03:30	76.5	↑1.6
5/20 03:40	78.0	↑1.5
5/20 03:50	79.5	↑1.5
5/20 04:00	80.9	↑1.4
5/20 04:10	82.4	↑1.5
5/20 04:20	83.7	↑1.3
5/20 04:30	85.0	↑1.3
5/20 04:40	86.2	↑1.2
5/20 04:50	87.3	↑1.1
5/20 05:00	88.4	↑1.1
5/20 05:10	89.3	↑0.9
5/20 05:20	90.2	↑0.9
5/20 05:30	90.9	↑0.7
5/20 05:40	91.6	↑0.7
5/20 05:50	92.1	↑0.5
5/20 06:00	92.4	↑0.3
5/20 06:10	92.7	↑0.3
5/20 06:20	92.8	↑0.1	満潮
5/20 06:30	92.8	0
5/20 06:40	92.6	↓-0.2
5/20 06:50	92.3	↓-0.3
5/20 07:00	91.9	↓-0.4
5/20 07:10	91.3	↓-0.6
5/20 07:20	90.6	↓-0.7
5/20 07:30	89.8	↓-0.8
5/20 07:40	88.8	↓-1.0
5/20 07:50	87.7	↓-1.1
5/20 08:00	86.5	↓-1.2
5/20 08:10	85.2	↓-1.3
5/20 08:20	83.7	↓-1.5
5/20 08:30	82.2	↓-1.5
5/20 08:40	80.5	↓-1.7
5/20 08:50	78.8	↓-1.7
5/20 09:00	77.0	↓-1.8
5/20 09:10	75.1	↓-1.9
5/20 09:20	73.1	↓-2.0
5/20 09:30	71.1	↓-2.0
5/20 09:40	69.0	↓-2.1
5/20 09:50	66.9	↓-2.1
5/20 10:00	64.7	↓-2.2	最大潮位差
5/20 10:10	62.6	↓-2.1
5/20 10:20	60.4	↓-2.2	最大潮位差
5/20 10:30	58.3	↓-2.1
5/20 10:40	56.1	↓-2.2	最大潮位差
5/20 10:50	54.0	↓-2.1
5/20 11:00	51.9	↓-2.1
5/20 11:10	49.9	↓-2.0
5/20 11:20	47.9	↓-2.0
5/20 11:30	45.9	↓-2.0
5/20 11:40	44.0	↓-1.9
5/20 11:50	42.2	↓-1.8
5/20 12:00	40.5	↓-1.7
5/20 12:10	38.9	↓-1.6
5/20 12:20	37.4	↓-1.5
5/20 12:30	35.9	↓-1.5
5/20 12:40	34.6	↓-1.3
5/20 12:50	33.4	↓-1.2
5/20 13:00	32.3	↓-1.1
5/20 13:10	31.4	↓-0.9
5/20 13:20	30.5	↓-0.9
5/20 13:30	29.8	↓-0.7
5/20 13:40	29.2	↓-0.6
5/20 13:50	28.7	↓-0.5
5/20 14:00	28.3	↓-0.4
5/20 14:10	28.1	↓-0.2
5/20 14:20	27.9	↓-0.2	干潮
5/20 14:30	27.9	0
5/20 14:40	28.0	↑0.1
5/20 14:50	28.2	↑0.2
5/20 15:00	28.6	↑0.4
5/20 15:10	29.0	↑0.4
5/20 15:20	29.5	↑0.5
5/20 15:30	30.1	↑0.6
5/20 15:40	30.8	↑0.7
5/20 15:50	31.5	↑0.7
5/20 16:00	32.4	↑0.9
5/20 16:10	33.2	↑0.8
5/20 16:20	34.2	↑1.0
5/20 16:30	35.2	↑1.0
5/20 16:40	36.2	↑1.0
5/20 16:50	37.2	↑1.0
5/20 17:00	38.3	↑1.1
5/20 17:10	39.4	↑1.1
5/20 17:20	40.5	↑1.1
5/20 17:30	41.6	↑1.1
5/20 17:40	42.7	↑1.1
5/20 17:50	43.7	↑1.0
5/20 18:00	44.8	↑1.1
5/20 18:10	45.8	↑1.0
5/20 18:20	46.8	↑1.0
5/20 18:30	47.7	↑0.9
5/20 18:40	48.6	↑0.9
5/20 18:50	49.5	↑0.9
5/20 19:00	50.3	↑0.8
5/20 19:10	51.0	↑0.7
5/20 19:20	51.7	↑0.7
5/20 19:30	52.4	↑0.7
5/20 19:40	52.9	↑0.5
5/20 19:50	53.4	↑0.5
5/20 20:00	53.8	↑0.4
5/20 20:10	54.2	↑0.4
5/20 20:20	54.5	↑0.3
5/20 20:30	54.7	↑0.2
5/20 20:40	54.9	↑0.2
5/20 20:50	55.0	↑0.1
5/20 21:00	55.1	↑0.1	満潮
5/20 21:10	55.1	0
5/20 21:20	55.1	0
5/20 21:30	55.0	↓-0.1
5/20 21:40	54.8	↓-0.2
5/20 21:50	54.7	↓-0.1
5/20 22:00	54.5	↓-0.2
5/20 22:10	54.3	↓-0.2
5/20 22:20	54.0	↓-0.3
5/20 22:30	53.8	↓-0.2
5/20 22:40	53.5	↓-0.3
5/20 22:50	53.2	↓-0.3
5/20 23:00	53.0	↓-0.2
5/20 23:10	52.7	↓-0.3
5/20 23:20	52.5	↓-0.2
5/20 23:30	52.3	↓-0.2
5/20 23:40	52.1	↓-0.2
5/20 23:50	51.9	↓-0.2