12 (日)	04:24	11:51	18:14	22:05
	104cm	12cm	59cm	48cm
中潮 出 04:43 入 18:02 出 23:10 入 07:26 潮干狩り ◎ 09:56～13:57

コイセボイ（北海道）2020年04月12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
4/12 00:00	58.6	↑1.8
4/12 00:10	60.4	↑1.8
4/12 00:20	62.4	↑2.0
4/12 00:30	64.5	↑2.1
4/12 00:40	66.6	↑2.1
4/12 00:50	68.8	↑2.2
4/12 01:00	71.1	↑2.3
4/12 01:10	73.3	↑2.2
4/12 01:20	75.6	↑2.3
4/12 01:30	78.0	↑2.4
4/12 01:40	80.2	↑2.2
4/12 01:50	82.5	↑2.3
4/12 02:00	84.7	↑2.2
4/12 02:10	86.9	↑2.2
4/12 02:20	89.0	↑2.1
4/12 02:30	91.0	↑2.0
4/12 02:40	92.9	↑1.9
4/12 02:50	94.7	↑1.8
4/12 03:00	96.3	↑1.6
4/12 03:10	97.8	↑1.5
4/12 03:20	99.1	↑1.3
4/12 03:30	100.3	↑1.2
4/12 03:40	101.3	↑1.0
4/12 03:50	102.0	↑0.7
4/12 04:00	102.6	↑0.6
4/12 04:10	103.0	↑0.4
4/12 04:20	103.2	↑0.2	満潮
4/12 04:30	103.1	↓-0.1
4/12 04:40	102.9	↓-0.2
4/12 04:50	102.4	↓-0.5
4/12 05:00	101.7	↓-0.7
4/12 05:10	100.7	↓-1.0
4/12 05:20	99.6	↓-1.1
4/12 05:30	98.2	↓-1.4
4/12 05:40	96.7	↓-1.5
4/12 05:50	94.9	↓-1.8
4/12 06:00	92.9	↓-2.0
4/12 06:10	90.8	↓-2.1
4/12 06:20	88.5	↓-2.3
4/12 06:30	86.0	↓-2.5
4/12 06:40	83.4	↓-2.6
4/12 06:50	80.6	↓-2.8
4/12 07:00	77.7	↓-2.9
4/12 07:10	74.7	↓-3.0
4/12 07:20	71.6	↓-3.1
4/12 07:30	68.4	↓-3.2
4/12 07:40	65.2	↓-3.2
4/12 07:50	62.0	↓-3.2
4/12 08:00	58.7	↓-3.3	最大潮位差
4/12 08:10	55.4	↓-3.3	最大潮位差
4/12 08:20	52.1	↓-3.3	最大潮位差
4/12 08:30	48.9	↓-3.2
4/12 08:40	45.7	↓-3.2
4/12 08:50	42.5	↓-3.2
4/12 09:00	39.5	↓-3.0
4/12 09:10	36.5	↓-3.0
4/12 09:20	33.6	↓-2.9
4/12 09:30	30.9	↓-2.7
4/12 09:40	28.3	↓-2.6
4/12 09:50	25.8	↓-2.5
4/12 10:00	23.6	↓-2.2
4/12 10:10	21.4	↓-2.2
4/12 10:20	19.5	↓-1.9
4/12 10:30	17.8	↓-1.7
4/12 10:40	16.2	↓-1.6
4/12 10:50	14.9	↓-1.3
4/12 11:00	13.7	↓-1.2
4/12 11:10	12.8	↓-0.9
4/12 11:20	12.0	↓-0.8
4/12 11:30	11.5	↓-0.5
4/12 11:40	11.2	↓-0.3
4/12 11:50	11.1	↓-0.1	干潮
4/12 12:00	11.2	↑0.1
4/12 12:10	11.5	↑0.3
4/12 12:20	11.9	↑0.4
4/12 12:30	12.6	↑0.7
4/12 12:40	13.4	↑0.8
4/12 12:50	14.4	↑1.0
4/12 13:00	15.6	↑1.2
4/12 13:10	16.9	↑1.3
4/12 13:20	18.3	↑1.4
4/12 13:30	19.9	↑1.6
4/12 13:40	21.5	↑1.6
4/12 13:50	23.3	↑1.8
4/12 14:00	25.1	↑1.8
4/12 14:10	27.0	↑1.9
4/12 14:20	28.9	↑1.9
4/12 14:30	30.9	↑2.0
4/12 14:40	32.8	↑1.9
4/12 14:50	34.8	↑2.0
4/12 15:00	36.8	↑2.0
4/12 15:10	38.8	↑2.0
4/12 15:20	40.7	↑1.9
4/12 15:30	42.5	↑1.8
4/12 15:40	44.4	↑1.9
4/12 15:50	46.1	↑1.7
4/12 16:00	47.7	↑1.6
4/12 16:10	49.3	↑1.6
4/12 16:20	50.8	↑1.5
4/12 16:30	52.1	↑1.3
4/12 16:40	53.4	↑1.3
4/12 16:50	54.5	↑1.1
4/12 17:00	55.5	↑1.0
4/12 17:10	56.3	↑0.8
4/12 17:20	57.1	↑0.8
4/12 17:30	57.7	↑0.6
4/12 17:40	58.2	↑0.5
4/12 17:50	58.5	↑0.3
4/12 18:00	58.7	↑0.2
4/12 18:10	58.8	↑0.1	満潮
4/12 18:20	58.8	0
4/12 18:30	58.7	↓-0.1
4/12 18:40	58.4	↓-0.3
4/12 18:50	58.1	↓-0.3
4/12 19:00	57.7	↓-0.4
4/12 19:10	57.2	↓-0.5
4/12 19:20	56.6	↓-0.6
4/12 19:30	56.0	↓-0.6
4/12 19:40	55.3	↓-0.7
4/12 19:50	54.6	↓-0.7
4/12 20:00	53.9	↓-0.7
4/12 20:10	53.2	↓-0.7
4/12 20:20	52.4	↓-0.8
4/12 20:30	51.7	↓-0.7
4/12 20:40	51.0	↓-0.7
4/12 20:50	50.3	↓-0.7
4/12 21:00	49.7	↓-0.6
4/12 21:10	49.2	↓-0.5
4/12 21:20	48.7	↓-0.5
4/12 21:30	48.3	↓-0.4
4/12 21:40	48.0	↓-0.3
4/12 21:50	47.8	↓-0.2
4/12 22:00	47.7	↓-0.1	干潮
4/12 22:10	47.7	0
4/12 22:20	47.8	↑0.1
4/12 22:30	48.1	↑0.3
4/12 22:40	48.5	↑0.4
4/12 22:50	49.0	↑0.5
4/12 23:00	49.7	↑0.7
4/12 23:10	50.5	↑0.8
4/12 23:20	51.4	↑0.9
4/12 23:30	52.5	↑1.1
4/12 23:40	53.7	↑1.2
4/12 23:50	55.0	↑1.3