29 (土)	04:35	12:50	19:55	20:36
	114cm	10cm	44cm	44cm
中潮 出 04:16 入 18:23 出 06:56 入 23:07 潮干狩り ◎ 10:40～15:30

コイセボイ（北海道）2028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	64.4	↑2.0
4/29 00:10	66.5	↑2.1
4/29 00:20	68.7	↑2.2
4/29 00:30	70.9	↑2.2
4/29 00:40	73.2	↑2.3
4/29 00:50	75.6	↑2.4
4/29 01:00	78.0	↑2.4
4/29 01:10	80.4	↑2.4
4/29 01:20	82.8	↑2.4
4/29 01:30	85.2	↑2.4
4/29 01:40	87.6	↑2.4
4/29 01:50	90.0	↑2.4
4/29 02:00	92.3	↑2.3
4/29 02:10	94.5	↑2.2
4/29 02:20	96.7	↑2.2
4/29 02:30	98.8	↑2.1
4/29 02:40	100.8	↑2.0
4/29 02:50	102.7	↑1.9
4/29 03:00	104.5	↑1.8
4/29 03:10	106.1	↑1.6
4/29 03:20	107.6	↑1.5
4/29 03:30	108.9	↑1.3
4/29 03:40	110.1	↑1.2
4/29 03:50	111.0	↑0.9
4/29 04:00	111.8	↑0.8
4/29 04:10	112.4	↑0.6
4/29 04:20	112.8	↑0.4
4/29 04:30	113.0	↑0.2	満潮
4/29 04:40	113.0	0
4/29 04:50	112.8	↓-0.2
4/29 05:00	112.3	↓-0.5
4/29 05:10	111.7	↓-0.6
4/29 05:20	110.8	↓-0.9
4/29 05:30	109.7	↓-1.1
4/29 05:40	108.5	↓-1.2
4/29 05:50	107.0	↓-1.5
4/29 06:00	105.3	↓-1.7
4/29 06:10	103.4	↓-1.9
4/29 06:20	101.4	↓-2.0
4/29 06:30	99.1	↓-2.3
4/29 06:40	96.7	↓-2.4
4/29 06:50	94.2	↓-2.5
4/29 07:00	91.5	↓-2.7
4/29 07:10	88.7	↓-2.8
4/29 07:20	85.7	↓-3.0
4/29 07:30	82.7	↓-3.0
4/29 07:40	79.5	↓-3.2
4/29 07:50	76.3	↓-3.2
4/29 08:00	73.0	↓-3.3
4/29 08:10	69.7	↓-3.3
4/29 08:20	66.4	↓-3.3
4/29 08:30	63.0	↓-3.4	最大潮位差
4/29 08:40	59.6	↓-3.4	最大潮位差
4/29 08:50	56.3	↓-3.3
4/29 09:00	52.9	↓-3.4	最大潮位差
4/29 09:10	49.6	↓-3.3
4/29 09:20	46.4	↓-3.2
4/29 09:30	43.3	↓-3.1
4/29 09:40	40.2	↓-3.1
4/29 09:50	37.2	↓-3.0
4/29 10:00	34.4	↓-2.8
4/29 10:10	31.6	↓-2.8
4/29 10:20	29.0	↓-2.6
4/29 10:30	26.6	↓-2.4
4/29 10:40	24.3	↓-2.3
4/29 10:50	22.1	↓-2.2
4/29 11:00	20.1	↓-2.0
4/29 11:10	18.3	↓-1.8
4/29 11:20	16.7	↓-1.6
4/29 11:30	15.2	↓-1.5
4/29 11:40	13.9	↓-1.3
4/29 11:50	12.8	↓-1.1
4/29 12:00	11.9	↓-0.9
4/29 12:10	11.1	↓-0.8
4/29 12:20	10.5	↓-0.6
4/29 12:30	10.1	↓-0.4
4/29 12:40	9.9	↓-0.2	干潮
4/29 12:50	9.8	↓-0.1	干潮
4/29 13:00	9.9	↑0.1
4/29 13:10	10.2	↑0.3
4/29 13:20	10.6	↑0.4
4/29 13:30	11.1	↑0.5
4/29 13:40	11.8	↑0.7
4/29 13:50	12.6	↑0.8
4/29 14:00	13.5	↑0.9
4/29 14:10	14.4	↑0.9
4/29 14:20	15.5	↑1.1
4/29 14:30	16.7	↑1.2
4/29 14:40	17.9	↑1.2
4/29 14:50	19.2	↑1.3
4/29 15:00	20.5	↑1.3
4/29 15:10	21.8	↑1.3
4/29 15:20	23.2	↑1.4
4/29 15:30	24.6	↑1.4
4/29 15:40	26.0	↑1.4
4/29 15:50	27.3	↑1.3
4/29 16:00	28.7	↑1.4
4/29 16:10	30.0	↑1.3
4/29 16:20	31.3	↑1.3
4/29 16:30	32.5	↑1.2
4/29 16:40	33.7	↑1.2
4/29 16:50	34.9	↑1.2
4/29 17:00	36.0	↑1.1
4/29 17:10	37.0	↑1.0
4/29 17:20	37.9	↑0.9
4/29 17:30	38.8	↑0.9
4/29 17:40	39.6	↑0.8
4/29 17:50	40.3	↑0.7
4/29 18:00	41.0	↑0.7
4/29 18:10	41.5	↑0.5
4/29 18:20	42.0	↑0.5
4/29 18:30	42.4	↑0.4
4/29 18:40	42.8	↑0.4
4/29 18:50	43.1	↑0.3
4/29 19:00	43.3	↑0.2
4/29 19:10	43.5	↑0.2
4/29 19:20	43.6	↑0.1
4/29 19:30	43.7	↑0.1
4/29 19:40	43.7	0
4/29 19:50	43.8	↑0.1	満潮
4/29 20:00	43.8	0
4/29 20:10	43.7	↓-0.1
4/29 20:20	43.7	0
4/29 20:30	43.7	0	干潮
4/29 20:40	43.7	0
4/29 20:50	43.7	0
4/29 21:00	43.8	↑0.1
4/29 21:10	43.9	↑0.1
4/29 21:20	44.0	↑0.1
4/29 21:30	44.2	↑0.2
4/29 21:40	44.4	↑0.2
4/29 21:50	44.8	↑0.4
4/29 22:00	45.2	↑0.4
4/29 22:10	45.6	↑0.4
4/29 22:20	46.2	↑0.6
4/29 22:30	46.8	↑0.6
4/29 22:40	47.6	↑0.8
4/29 22:50	48.4	↑0.8
4/29 23:00	49.4	↑1.0
4/29 23:10	50.4	↑1.0
4/29 23:20	51.6	↑1.2
4/29 23:30	52.8	↑1.2
4/29 23:40	54.1	↑1.3
4/29 23:50	55.6	↑1.5