29 (木)	03:13	10:39	17:12	21:04
	105cm	4cm	62cm	49cm
中潮 出 04:16 入 18:23 出 21:13 入 05:33 潮干狩り ◎ 08:23～13:09

コイセボイ（北海道）2021年04月29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
4/29 00:00	73.5	↑2.3
4/29 00:10	75.9	↑2.4
4/29 00:20	78.2	↑2.3
4/29 00:30	80.6	↑2.4
4/29 00:40	82.9	↑2.3
4/29 00:50	85.2	↑2.3
4/29 01:00	87.4	↑2.2
4/29 01:10	89.5	↑2.1
4/29 01:20	91.6	↑2.1
4/29 01:30	93.5	↑1.9
4/29 01:40	95.3	↑1.8
4/29 01:50	97.0	↑1.7
4/29 02:00	98.6	↑1.6
4/29 02:10	99.9	↑1.3
4/29 02:20	101.1	↑1.2
4/29 02:30	102.1	↑1.0
4/29 02:40	102.9	↑0.8
4/29 02:50	103.5	↑0.6
4/29 03:00	103.9	↑0.4
4/29 03:10	104.0	↑0.1	満潮
4/29 03:20	104.0	0
4/29 03:30	103.6	↓-0.4
4/29 03:40	103.1	↓-0.5
4/29 03:50	102.3	↓-0.8
4/29 04:00	101.3	↓-1.0
4/29 04:10	100.0	↓-1.3
4/29 04:20	98.6	↓-1.4
4/29 04:30	96.9	↓-1.7
4/29 04:40	94.9	↓-2.0
4/29 04:50	92.8	↓-2.1
4/29 05:00	90.5	↓-2.3
4/29 05:10	88.0	↓-2.5
4/29 05:20	85.3	↓-2.7
4/29 05:30	82.4	↓-2.9
4/29 05:40	79.4	↓-3.0
4/29 05:50	76.3	↓-3.1
4/29 06:00	73.0	↓-3.3
4/29 06:10	69.7	↓-3.3
4/29 06:20	66.2	↓-3.5
4/29 06:30	62.7	↓-3.5
4/29 06:40	59.2	↓-3.5
4/29 06:50	55.6	↓-3.6	最大潮位差
4/29 07:00	52.0	↓-3.6	最大潮位差
4/29 07:10	48.4	↓-3.6	最大潮位差
4/29 07:20	44.8	↓-3.6	最大潮位差
4/29 07:30	41.3	↓-3.5
4/29 07:40	37.9	↓-3.4
4/29 07:50	34.6	↓-3.3
4/29 08:00	31.3	↓-3.3
4/29 08:10	28.2	↓-3.1
4/29 08:20	25.2	↓-3.0
4/29 08:30	22.3	↓-2.9
4/29 08:40	19.6	↓-2.7
4/29 08:50	17.1	↓-2.5
4/29 09:00	14.8	↓-2.3
4/29 09:10	12.7	↓-2.1
4/29 09:20	10.8	↓-1.9
4/29 09:30	9.1	↓-1.7
4/29 09:40	7.6	↓-1.5
4/29 09:50	6.4	↓-1.2
4/29 10:00	5.4	↓-1.0
4/29 10:10	4.6	↓-0.8
4/29 10:20	4.0	↓-0.6
4/29 10:30	3.7	↓-0.3	干潮
4/29 10:40	3.6	↓-0.1
4/29 10:50	3.8	↑0.2
4/29 11:00	4.2	↑0.4
4/29 11:10	4.8	↑0.6
4/29 11:20	5.6	↑0.8
4/29 11:30	6.5	↑0.9
4/29 11:40	7.7	↑1.2
4/29 11:50	9.1	↑1.4
4/29 12:00	10.6	↑1.5
4/29 12:10	12.3	↑1.7
4/29 12:20	14.1	↑1.8
4/29 12:30	16.1	↑2.0
4/29 12:40	18.1	↑2.0
4/29 12:50	20.2	↑2.1
4/29 13:00	22.5	↑2.3
4/29 13:10	24.7	↑2.2
4/29 13:20	27.1	↑2.4
4/29 13:30	29.4	↑2.3
4/29 13:40	31.8	↑2.4
4/29 13:50	34.1	↑2.3
4/29 14:00	36.5	↑2.4
4/29 14:10	38.7	↑2.2
4/29 14:20	41.0	↑2.3
4/29 14:30	43.2	↑2.2
4/29 14:40	45.3	↑2.1
4/29 14:50	47.3	↑2.0
4/29 15:00	49.2	↑1.9
4/29 15:10	51.0	↑1.8
4/29 15:20	52.6	↑1.6
4/29 15:30	54.2	↑1.6
4/29 15:40	55.6	↑1.4
4/29 15:50	56.9	↑1.3
4/29 16:00	58.0	↑1.1
4/29 16:10	58.9	↑0.9
4/29 16:20	59.8	↑0.9
4/29 16:30	60.4	↑0.6
4/29 16:40	60.9	↑0.5
4/29 16:50	61.3	↑0.4
4/29 17:00	61.5	↑0.2
4/29 17:10	61.6	↑0.1	満潮
4/29 17:20	61.6	0
4/29 17:30	61.4	↓-0.2
4/29 17:40	61.1	↓-0.3
4/29 17:50	60.7	↓-0.4
4/29 18:00	60.2	↓-0.5
4/29 18:10	59.6	↓-0.6
4/29 18:20	58.9	↓-0.7
4/29 18:30	58.2	↓-0.7
4/29 18:40	57.4	↓-0.8
4/29 18:50	56.6	↓-0.8
4/29 19:00	55.8	↓-0.8
4/29 19:10	54.9	↓-0.9
4/29 19:20	54.1	↓-0.8
4/29 19:30	53.2	↓-0.9
4/29 19:40	52.4	↓-0.8
4/29 19:50	51.7	↓-0.7
4/29 20:00	51.0	↓-0.7
4/29 20:10	50.3	↓-0.7
4/29 20:20	49.8	↓-0.5
4/29 20:30	49.3	↓-0.5
4/29 20:40	49.0	↓-0.3
4/29 20:50	48.8	↓-0.2
4/29 21:00	48.7	↓-0.1	干潮
4/29 21:10	48.7	0
4/29 21:20	48.8	↑0.1
4/29 21:30	49.1	↑0.3
4/29 21:40	49.6	↑0.5
4/29 21:50	50.2	↑0.6
4/29 22:00	51.0	↑0.8
4/29 22:10	51.9	↑0.9
4/29 22:20	52.9	↑1.0
4/29 22:30	54.1	↑1.2
4/29 22:40	55.5	↑1.4
4/29 22:50	57.0	↑1.5
4/29 23:00	58.6	↑1.6
4/29 23:10	60.4	↑1.8
4/29 23:20	62.3	↑1.9
4/29 23:30	64.3	↑2.0
4/29 23:40	66.4	↑2.1
4/29 23:50	68.6	↑2.2