2 (金)	04:48	12:17	18:36	22:21
	104cm	16cm	59cm	49cm
中潮 出 05:01 入 17:50 出 23:34 入 07:41 潮干狩り ○ 10:40～14:03

コイセボイ（北海道）2021年04月2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
4/2 00:00	55.7	↑1.4
4/2 00:10	57.3	↑1.6
4/2 00:20	59.0	↑1.7
4/2 00:30	60.8	↑1.8
4/2 00:40	62.7	↑1.9
4/2 00:50	64.6	↑1.9
4/2 01:00	66.7	↑2.1
4/2 01:10	68.8	↑2.1
4/2 01:20	71.0	↑2.2
4/2 01:30	73.3	↑2.3
4/2 01:40	75.5	↑2.2
4/2 01:50	77.7	↑2.2
4/2 02:00	80.0	↑2.3
4/2 02:10	82.2	↑2.2
4/2 02:20	84.4	↑2.2
4/2 02:30	86.5	↑2.1
4/2 02:40	88.6	↑2.1
4/2 02:50	90.6	↑2.0
4/2 03:00	92.5	↑1.9
4/2 03:10	94.2	↑1.7
4/2 03:20	95.9	↑1.7
4/2 03:30	97.4	↑1.5
4/2 03:40	98.7	↑1.3
4/2 03:50	99.9	↑1.2
4/2 04:00	100.9	↑1.0
4/2 04:10	101.8	↑0.9
4/2 04:20	102.4	↑0.6
4/2 04:30	102.9	↑0.5
4/2 04:40	103.1	↑0.2	満潮
4/2 04:50	103.2	↑0.1
4/2 05:00	103.0	↓-0.2
4/2 05:10	102.6	↓-0.4
4/2 05:20	102.0	↓-0.6
4/2 05:30	101.3	↓-0.7
4/2 05:40	100.2	↓-1.1
4/2 05:50	99.0	↓-1.2
4/2 06:00	97.6	↓-1.4
4/2 06:10	96.0	↓-1.6
4/2 06:20	94.2	↓-1.8
4/2 06:30	92.3	↓-1.9
4/2 06:40	90.1	↓-2.2
4/2 06:50	87.8	↓-2.3
4/2 07:00	85.4	↓-2.4
4/2 07:10	82.8	↓-2.6
4/2 07:20	80.1	↓-2.7
4/2 07:30	77.3	↓-2.8
4/2 07:40	74.4	↓-2.9
4/2 07:50	71.4	↓-3.0
4/2 08:00	68.4	↓-3.0
4/2 08:10	65.3	↓-3.1
4/2 08:20	62.2	↓-3.1
4/2 08:30	59.0	↓-3.2	最大潮位差
4/2 08:40	55.9	↓-3.1
4/2 08:50	52.8	↓-3.1
4/2 09:00	49.8	↓-3.0
4/2 09:10	46.8	↓-3.0
4/2 09:20	43.8	↓-3.0
4/2 09:30	41.0	↓-2.8
4/2 09:40	38.2	↓-2.8
4/2 09:50	35.6	↓-2.6
4/2 10:00	33.0	↓-2.6
4/2 10:10	30.7	↓-2.3
4/2 10:20	28.4	↓-2.3
4/2 10:30	26.3	↓-2.1
4/2 10:40	24.4	↓-1.9
4/2 10:50	22.7	↓-1.7
4/2 11:00	21.1	↓-1.6
4/2 11:10	19.7	↓-1.4
4/2 11:20	18.6	↓-1.1
4/2 11:30	17.6	↓-1.0
4/2 11:40	16.8	↓-0.8
4/2 11:50	16.2	↓-0.6
4/2 12:00	15.8	↓-0.4
4/2 12:10	15.5	↓-0.3	干潮
4/2 12:20	15.5	0
4/2 12:30	15.7	↑0.2
4/2 12:40	16.0	↑0.3
4/2 12:50	16.5	↑0.5
4/2 13:00	17.2	↑0.7
4/2 13:10	18.0	↑0.8
4/2 13:20	19.0	↑1.0
4/2 13:30	20.1	↑1.1
4/2 13:40	21.3	↑1.2
4/2 13:50	22.7	↑1.4
4/2 14:00	24.1	↑1.4
4/2 14:10	25.7	↑1.6
4/2 14:20	27.3	↑1.6
4/2 14:30	29.0	↑1.7
4/2 14:40	30.7	↑1.7
4/2 14:50	32.5	↑1.8
4/2 15:00	34.3	↑1.8
4/2 15:10	36.0	↑1.7
4/2 15:20	37.8	↑1.8
4/2 15:30	39.6	↑1.8
4/2 15:40	41.4	↑1.8
4/2 15:50	43.1	↑1.7
4/2 16:00	44.7	↑1.6
4/2 16:10	46.3	↑1.6
4/2 16:20	47.8	↑1.5
4/2 16:30	49.2	↑1.4
4/2 16:40	50.6	↑1.4
4/2 16:50	51.8	↑1.2
4/2 17:00	52.9	↑1.1
4/2 17:10	54.0	↑1.1
4/2 17:20	54.9	↑0.9
4/2 17:30	55.7	↑0.8
4/2 17:40	56.4	↑0.7
4/2 17:50	56.9	↑0.5
4/2 18:00	57.4	↑0.5
4/2 18:10	57.7	↑0.3
4/2 18:20	57.9	↑0.2
4/2 18:30	58.0	↑0.1	満潮
4/2 18:40	58.0	0
4/2 18:50	57.9	↓-0.1
4/2 19:00	57.7	↓-0.2
4/2 19:10	57.4	↓-0.3
4/2 19:20	57.0	↓-0.4
4/2 19:30	56.6	↓-0.4
4/2 19:40	56.1	↓-0.5
4/2 19:50	55.5	↓-0.6
4/2 20:00	54.9	↓-0.6
4/2 20:10	54.3	↓-0.6
4/2 20:20	53.7	↓-0.6
4/2 20:30	53.0	↓-0.7
4/2 20:40	52.4	↓-0.6
4/2 20:50	51.7	↓-0.7
4/2 21:00	51.1	↓-0.6
4/2 21:10	50.5	↓-0.6
4/2 21:20	50.0	↓-0.5
4/2 21:30	49.5	↓-0.5
4/2 21:40	49.1	↓-0.4
4/2 21:50	48.8	↓-0.3
4/2 22:00	48.5	↓-0.3
4/2 22:10	48.4	↓-0.1
4/2 22:20	48.3	↓-0.1	干潮
4/2 22:30	48.4	↑0.1
4/2 22:40	48.6	↑0.2
4/2 22:50	48.8	↑0.2
4/2 23:00	49.3	↑0.5
4/2 23:10	49.8	↑0.5
4/2 23:20	50.5	↑0.7
4/2 23:30	51.3	↑0.8
4/2 23:40	52.2	↑0.9
4/2 23:50	53.3	↑1.1