20 (水)	06:33	16:09	-	-
	101cm	23cm	-	-
小潮 出 04:30 入 18:12 出 00:58 入 09:30 潮干狩り ○ 14:51～17:37

コイセボイ（北海道）2044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	50.6	↑1.0
4/20 00:10	51.7	↑1.1
4/20 00:20	52.9	↑1.2
4/20 00:30	54.1	↑1.2
4/20 00:40	55.4	↑1.3
4/20 00:50	56.8	↑1.4
4/20 01:00	58.2	↑1.4
4/20 01:10	59.6	↑1.4
4/20 01:20	61.1	↑1.5
4/20 01:30	62.7	↑1.6
4/20 01:40	64.3	↑1.6
4/20 01:50	65.9	↑1.6
4/20 02:00	67.6	↑1.7
4/20 02:10	69.2	↑1.6
4/20 02:20	71.0	↑1.8
4/20 02:30	72.7	↑1.7
4/20 02:40	74.4	↑1.7
4/20 02:50	76.2	↑1.8
4/20 03:00	77.9	↑1.7
4/20 03:10	79.6	↑1.7
4/20 03:20	81.3	↑1.7
4/20 03:30	83.0	↑1.7
4/20 03:40	84.7	↑1.7
4/20 03:50	86.3	↑1.6
4/20 04:00	87.8	↑1.5
4/20 04:10	89.3	↑1.5
4/20 04:20	90.8	↑1.5
4/20 04:30	92.1	↑1.3
4/20 04:40	93.4	↑1.3
4/20 04:50	94.7	↑1.3
4/20 05:00	95.8	↑1.1
4/20 05:10	96.8	↑1.0
4/20 05:20	97.7	↑0.9
4/20 05:30	98.5	↑0.8
4/20 05:40	99.3	↑0.8
4/20 05:50	99.8	↑0.5
4/20 06:00	100.3	↑0.5
4/20 06:10	100.7	↑0.4
4/20 06:20	100.9	↑0.2
4/20 06:30	101.0	↑0.1	満潮
4/20 06:40	101.0	0
4/20 06:50	100.8	↓-0.2
4/20 07:00	100.5	↓-0.3
4/20 07:10	100.1	↓-0.4
4/20 07:20	99.5	↓-0.6
4/20 07:30	98.8	↓-0.7
4/20 07:40	98.0	↓-0.8
4/20 07:50	97.1	↓-0.9
4/20 08:00	96.0	↓-1.1
4/20 08:10	94.8	↓-1.2
4/20 08:20	93.5	↓-1.3
4/20 08:30	92.1	↓-1.4
4/20 08:40	90.6	↓-1.5
4/20 08:50	89.0	↓-1.6
4/20 09:00	87.3	↓-1.7
4/20 09:10	85.5	↓-1.8
4/20 09:20	83.6	↓-1.9
4/20 09:30	81.7	↓-1.9
4/20 09:40	79.7	↓-2.0
4/20 09:50	77.6	↓-2.1
4/20 10:00	75.5	↓-2.1
4/20 10:10	73.3	↓-2.2
4/20 10:20	71.1	↓-2.2
4/20 10:30	68.9	↓-2.2
4/20 10:40	66.7	↓-2.2
4/20 10:50	64.4	↓-2.3	最大潮位差
4/20 11:00	62.2	↓-2.2
4/20 11:10	59.9	↓-2.3	最大潮位差
4/20 11:20	57.7	↓-2.2
4/20 11:30	55.5	↓-2.2
4/20 11:40	53.3	↓-2.2
4/20 11:50	51.1	↓-2.2
4/20 12:00	49.0	↓-2.1
4/20 12:10	47.0	↓-2.0
4/20 12:20	45.0	↓-2.0
4/20 12:30	43.0	↓-2.0
4/20 12:40	41.1	↓-1.9
4/20 12:50	39.3	↓-1.8
4/20 13:00	37.6	↓-1.7
4/20 13:10	36.0	↓-1.6
4/20 13:20	34.4	↓-1.6
4/20 13:30	32.9	↓-1.5
4/20 13:40	31.6	↓-1.3
4/20 13:50	30.3	↓-1.3
4/20 14:00	29.1	↓-1.2
4/20 14:10	28.0	↓-1.1
4/20 14:20	27.0	↓-1.0
4/20 14:30	26.0	↓-1.0
4/20 14:40	25.2	↓-0.8
4/20 14:50	24.5	↓-0.7
4/20 15:00	23.9	↓-0.6
4/20 15:10	23.4	↓-0.5
4/20 15:20	22.9	↓-0.5
4/20 15:30	22.6	↓-0.3
4/20 15:40	22.3	↓-0.3
4/20 15:50	22.1	↓-0.2
4/20 16:00	22.0	↓-0.1	干潮
4/20 16:10	22.0	0
4/20 16:20	22.1	↑0.1
4/20 16:30	22.2	↑0.1
4/20 16:40	22.4	↑0.2
4/20 16:50	22.6	↑0.2
4/20 17:00	22.9	↑0.3
4/20 17:10	23.3	↑0.4
4/20 17:20	23.7	↑0.4
4/20 17:30	24.1	↑0.4
4/20 17:40	24.6	↑0.5
4/20 17:50	25.2	↑0.6
4/20 18:00	25.7	↑0.5
4/20 18:10	26.3	↑0.6
4/20 18:20	26.9	↑0.6
4/20 18:30	27.6	↑0.7
4/20 18:40	28.2	↑0.6
4/20 18:50	28.9	↑0.7
4/20 19:00	29.5	↑0.6
4/20 19:10	30.2	↑0.7
4/20 19:20	30.9	↑0.7
4/20 19:30	31.5	↑0.6
4/20 19:40	32.2	↑0.7
4/20 19:50	32.9	↑0.7
4/20 20:00	33.6	↑0.7
4/20 20:10	34.2	↑0.6
4/20 20:20	34.9	↑0.7
4/20 20:30	35.5	↑0.6
4/20 20:40	36.2	↑0.7
4/20 20:50	36.8	↑0.6
4/20 21:00	37.4	↑0.6
4/20 21:10	38.1	↑0.7
4/20 21:20	38.7	↑0.6
4/20 21:30	39.3	↑0.6
4/20 21:40	39.9	↑0.6
4/20 21:50	40.5	↑0.6
4/20 22:00	41.1	↑0.6
4/20 22:10	41.7	↑0.6
4/20 22:20	42.3	↑0.6
4/20 22:30	42.9	↑0.6
4/20 22:40	43.5	↑0.6
4/20 22:50	44.1	↑0.6
4/20 23:00	44.7	↑0.6
4/20 23:10	45.4	↑0.7
4/20 23:20	46.0	↑0.6
4/20 23:30	46.7	↑0.7
4/20 23:40	47.4	↑0.7
4/20 23:50	48.1	↑0.7