09 (金)	04:42	12:10	18:30	22:20
	103cm	14cm	59cm	48cm
中潮 出 04:49 入 17:58 出 07:17 入 22:17 潮干狩り ○ 10:26～14:03

コイセボイ（北海道）2038年04月09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
4/9 00:00	55.7	↑1.5
4/9 00:10	57.4	↑1.7
4/9 00:20	59.1	↑1.7
4/9 00:30	61.0	↑1.9
4/9 00:40	63.0	↑2.0
4/9 00:50	65.0	↑2.0
4/9 01:00	67.1	↑2.1
4/9 01:10	69.3	↑2.2
4/9 01:20	71.5	↑2.2
4/9 01:30	73.8	↑2.3
4/9 01:40	76.1	↑2.3
4/9 01:50	78.3	↑2.2
4/9 02:00	80.6	↑2.3
4/9 02:10	82.8	↑2.2
4/9 02:20	84.9	↑2.1
4/9 02:30	87.0	↑2.1
4/9 02:40	89.1	↑2.1
4/9 02:50	91.0	↑1.9
4/9 03:00	92.8	↑1.8
4/9 03:10	94.5	↑1.7
4/9 03:20	96.1	↑1.6
4/9 03:30	97.5	↑1.4
4/9 03:40	98.7	↑1.2
4/9 03:50	99.8	↑1.1
4/9 04:00	100.7	↑0.9
4/9 04:10	101.4	↑0.7
4/9 04:20	102.0	↑0.6
4/9 04:30	102.3	↑0.3
4/9 04:40	102.4	↑0.1	満潮
4/9 04:50	102.3	↓-0.1
4/9 05:00	102.0	↓-0.3
4/9 05:10	101.5	↓-0.5
4/9 05:20	100.7	↓-0.8
4/9 05:30	99.8	↓-0.9
4/9 05:40	98.6	↓-1.2
4/9 05:50	97.3	↓-1.3
4/9 06:00	95.7	↓-1.6
4/9 06:10	94.0	↓-1.7
4/9 06:20	92.1	↓-1.9
4/9 06:30	90.0	↓-2.1
4/9 06:40	87.7	↓-2.3
4/9 06:50	85.3	↓-2.4
4/9 07:00	82.7	↓-2.6
4/9 07:10	80.0	↓-2.7
4/9 07:20	77.2	↓-2.8
4/9 07:30	74.3	↓-2.9
4/9 07:40	71.3	↓-3.0
4/9 07:50	68.3	↓-3.0
4/9 08:00	65.2	↓-3.1
4/9 08:10	62.1	↓-3.1
4/9 08:20	58.9	↓-3.2	最大潮位差
4/9 08:30	55.7	↓-3.2	最大潮位差
4/9 08:40	52.6	↓-3.1
4/9 08:50	49.5	↓-3.1
4/9 09:00	46.4	↓-3.1
4/9 09:10	43.5	↓-2.9
4/9 09:20	40.5	↓-3.0
4/9 09:30	37.7	↓-2.8
4/9 09:40	35.0	↓-2.7
4/9 09:50	32.4	↓-2.6
4/9 10:00	30.0	↓-2.4
4/9 10:10	27.6	↓-2.4
4/9 10:20	25.5	↓-2.1
4/9 10:30	23.5	↓-2.0
4/9 10:40	21.7	↓-1.8
4/9 10:50	20.1	↓-1.6
4/9 11:00	18.6	↓-1.5
4/9 11:10	17.3	↓-1.3
4/9 11:20	16.3	↓-1.0
4/9 11:30	15.4	↓-0.9
4/9 11:40	14.8	↓-0.6
4/9 11:50	14.3	↓-0.5
4/9 12:00	14.0	↓-0.3	干潮
4/9 12:10	14.0	0	干潮
4/9 12:20	14.1	↑0.1
4/9 12:30	14.4	↑0.3
4/9 12:40	14.8	↑0.4
4/9 12:50	15.5	↑0.7
4/9 13:00	16.3	↑0.8
4/9 13:10	17.3	↑1.0
4/9 13:20	18.4	↑1.1
4/9 13:30	19.6	↑1.2
4/9 13:40	21.0	↑1.4
4/9 13:50	22.4	↑1.4
4/9 14:00	24.0	↑1.6
4/9 14:10	25.6	↑1.6
4/9 14:20	27.4	↑1.8
4/9 14:30	29.1	↑1.7
4/9 14:40	30.9	↑1.8
4/9 14:50	32.8	↑1.9
4/9 15:00	34.6	↑1.8
4/9 15:10	36.5	↑1.9
4/9 15:20	38.3	↑1.8
4/9 15:30	40.1	↑1.8
4/9 15:40	41.9	↑1.8
4/9 15:50	43.6	↑1.7
4/9 16:00	45.3	↑1.7
4/9 16:10	46.9	↑1.6
4/9 16:20	48.4	↑1.5
4/9 16:30	49.8	↑1.4
4/9 16:40	51.2	↑1.4
4/9 16:50	52.4	↑1.2
4/9 17:00	53.5	↑1.1
4/9 17:10	54.5	↑1.0
4/9 17:20	55.4	↑0.9
4/9 17:30	56.1	↑0.7
4/9 17:40	56.8	↑0.7
4/9 17:50	57.3	↑0.5
4/9 18:00	57.7	↑0.4
4/9 18:10	57.9	↑0.2
4/9 18:20	58.1	↑0.2	満潮
4/9 18:30	58.1	0	満潮
4/9 18:40	58.1	0
4/9 18:50	57.9	↓-0.2
4/9 19:00	57.7	↓-0.2
4/9 19:10	57.3	↓-0.4
4/9 19:20	56.9	↓-0.4
4/9 19:30	56.4	↓-0.5
4/9 19:40	55.8	↓-0.6
4/9 19:50	55.2	↓-0.6
4/9 20:00	54.6	↓-0.6
4/9 20:10	53.9	↓-0.7
4/9 20:20	53.2	↓-0.7
4/9 20:30	52.5	↓-0.7
4/9 20:40	51.8	↓-0.7
4/9 20:50	51.1	↓-0.7
4/9 21:00	50.5	↓-0.6
4/9 21:10	49.9	↓-0.6
4/9 21:20	49.3	↓-0.6
4/9 21:30	48.9	↓-0.4
4/9 21:40	48.4	↓-0.5
4/9 21:50	48.1	↓-0.3
4/9 22:00	47.9	↓-0.2
4/9 22:10	47.7	↓-0.2	干潮
4/9 22:20	47.7	0	干潮
4/9 22:30	47.8	↑0.1
4/9 22:40	47.9	↑0.1
4/9 22:50	48.3	↑0.4
4/9 23:00	48.7	↑0.4
4/9 23:10	49.3	↑0.6
4/9 23:20	50.0	↑0.7
4/9 23:30	50.8	↑0.8
4/9 23:40	51.8	↑1.0
4/9 23:50	52.9	↑1.1