20 (水)	04:05	11:48	18:19	21:25
	109cm	7cm	54cm	48cm
中潮 出 04:31 入 18:11 出 22:43 入 06:25 潮干狩り ◎ 09:36～14:20

コイセボイ（北海道）2022年04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
4/20 00:00	65.9	↑2.1
4/20 00:10	68.0	↑2.1
4/20 00:20	70.3	↑2.3
4/20 00:30	72.6	↑2.3
4/20 00:40	74.9	↑2.3
4/20 00:50	77.3	↑2.4
4/20 01:00	79.7	↑2.4
4/20 01:10	82.1	↑2.4
4/20 01:20	84.5	↑2.4
4/20 01:30	86.9	↑2.4
4/20 01:40	89.2	↑2.3
4/20 01:50	91.5	↑2.3
4/20 02:00	93.6	↑2.1
4/20 02:10	95.7	↑2.1
4/20 02:20	97.7	↑2.0
4/20 02:30	99.6	↑1.9
4/20 02:40	101.3	↑1.7
4/20 02:50	102.9	↑1.6
4/20 03:00	104.3	↑1.4
4/20 03:10	105.5	↑1.2
4/20 03:20	106.5	↑1.0
4/20 03:30	107.4	↑0.9
4/20 03:40	108.0	↑0.6
4/20 03:50	108.5	↑0.5
4/20 04:00	108.7	↑0.2	満潮
4/20 04:10	108.7	0
4/20 04:20	108.4	↓-0.3
4/20 04:30	107.9	↓-0.5
4/20 04:40	107.2	↓-0.7
4/20 04:50	106.3	↓-0.9
4/20 05:00	105.1	↓-1.2
4/20 05:10	103.8	↓-1.3
4/20 05:20	102.2	↓-1.6
4/20 05:30	100.3	↓-1.9
4/20 05:40	98.3	↓-2.0
4/20 05:50	96.1	↓-2.2
4/20 06:00	93.7	↓-2.4
4/20 06:10	91.1	↓-2.6
4/20 06:20	88.3	↓-2.8
4/20 06:30	85.4	↓-2.9
4/20 06:40	82.4	↓-3.0
4/20 06:50	79.2	↓-3.2
4/20 07:00	76.0	↓-3.2
4/20 07:10	72.6	↓-3.4
4/20 07:20	69.2	↓-3.4
4/20 07:30	65.7	↓-3.5
4/20 07:40	62.2	↓-3.5
4/20 07:50	58.6	↓-3.6	最大潮位差
4/20 08:00	55.1	↓-3.5
4/20 08:10	51.5	↓-3.6	最大潮位差
4/20 08:20	48.0	↓-3.5
4/20 08:30	44.6	↓-3.4
4/20 08:40	41.2	↓-3.4
4/20 08:50	37.9	↓-3.3
4/20 09:00	34.7	↓-3.2
4/20 09:10	31.6	↓-3.1
4/20 09:20	28.7	↓-2.9
4/20 09:30	25.8	↓-2.9
4/20 09:40	23.2	↓-2.6
4/20 09:50	20.7	↓-2.5
4/20 10:00	18.4	↓-2.3
4/20 10:10	16.2	↓-2.2
4/20 10:20	14.3	↓-1.9
4/20 10:30	12.6	↓-1.7
4/20 10:40	11.0	↓-1.6
4/20 10:50	9.7	↓-1.3
4/20 11:00	8.6	↓-1.1
4/20 11:10	7.7	↓-0.9
4/20 11:20	7.0	↓-0.7
4/20 11:30	6.6	↓-0.4
4/20 11:40	6.3	↓-0.3	干潮
4/20 11:50	6.3	0
4/20 12:00	6.4	↑0.1
4/20 12:10	6.8	↑0.4
4/20 12:20	7.3	↑0.5
4/20 12:30	8.0	↑0.7
4/20 12:40	8.9	↑0.9
4/20 12:50	10.0	↑1.1
4/20 13:00	11.1	↑1.1
4/20 13:10	12.5	↑1.4
4/20 13:20	13.9	↑1.4
4/20 13:30	15.5	↑1.6
4/20 13:40	17.2	↑1.7
4/20 13:50	18.9	↑1.7
4/20 14:00	20.7	↑1.8
4/20 14:10	22.6	↑1.9
4/20 14:20	24.5	↑1.9
4/20 14:30	26.4	↑1.9
4/20 14:40	28.3	↑1.9
4/20 14:50	30.3	↑2.0
4/20 15:00	32.2	↑1.9
4/20 15:10	34.1	↑1.9
4/20 15:20	35.9	↑1.8
4/20 15:30	37.7	↑1.8
4/20 15:40	39.5	↑1.8
4/20 15:50	41.1	↑1.6
4/20 16:00	42.7	↑1.6
4/20 16:10	44.2	↑1.5
4/20 16:20	45.6	↑1.4
4/20 16:30	46.9	↑1.3
4/20 16:40	48.0	↑1.1
4/20 16:50	49.1	↑1.1
4/20 17:00	50.0	↑0.9
4/20 17:10	50.9	↑0.9
4/20 17:20	51.6	↑0.7
4/20 17:30	52.1	↑0.5
4/20 17:40	52.6	↑0.5
4/20 17:50	52.9	↑0.3
4/20 18:00	53.2	↑0.3
4/20 18:10	53.3	↑0.1	満潮
4/20 18:20	53.3	0
4/20 18:30	53.3	0
4/20 18:40	53.1	↓-0.2
4/20 18:50	52.9	↓-0.2
4/20 19:00	52.6	↓-0.3
4/20 19:10	52.3	↓-0.3
4/20 19:20	51.9	↓-0.4
4/20 19:30	51.4	↓-0.5
4/20 19:40	51.0	↓-0.4
4/20 19:50	50.5	↓-0.5
4/20 20:00	50.0	↓-0.5
4/20 20:10	49.6	↓-0.4
4/20 20:20	49.1	↓-0.5
4/20 20:30	48.7	↓-0.4
4/20 20:40	48.3	↓-0.4
4/20 20:50	48.0	↓-0.3
4/20 21:00	47.8	↓-0.2
4/20 21:10	47.6	↓-0.2
4/20 21:20	47.5	↓-0.1	干潮
4/20 21:30	47.5	0
4/20 21:40	47.6	↑0.1
4/20 21:50	47.8	↑0.2
4/20 22:00	48.2	↑0.4
4/20 22:10	48.6	↑0.4
4/20 22:20	49.2	↑0.6
4/20 22:30	49.9	↑0.7
4/20 22:40	50.7	↑0.8
4/20 22:50	51.7	↑1.0
4/20 23:00	52.8	↑1.1
4/20 23:10	54.1	↑1.3
4/20 23:20	55.4	↑1.3
4/20 23:30	56.9	↑1.5
4/20 23:40	58.5	↑1.6
4/20 23:50	60.3	↑1.8