20 (火)	02:07	08:52	15:22	20:52
	117cm	22cm	115cm	56cm
大潮 出 04:35 入 18:10 出 17:39 入 03:43 潮干狩り ○ 07:16～10:22

釧路（北海道）2027年04月20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
4/20 00:00	97.1	↑2.9
4/20 00:10	99.9	↑2.8
4/20 00:20	102.5	↑2.6
4/20 00:30	104.9	↑2.4
4/20 00:40	107.1	↑2.2
4/20 00:50	109.1	↑2.0
4/20 01:00	110.8	↑1.7
4/20 01:10	112.3	↑1.5
4/20 01:20	113.6	↑1.3
4/20 01:30	114.6	↑1.0
4/20 01:40	115.4	↑0.8
4/20 01:50	115.9	↑0.5
4/20 02:00	116.2	↑0.3	満潮
4/20 02:10	116.3	↑0.1
4/20 02:20	116.0	↓-0.3
4/20 02:30	115.5	↓-0.5
4/20 02:40	114.8	↓-0.7
4/20 02:50	113.8	↓-1.0
4/20 03:00	112.6	↓-1.2
4/20 03:10	111.1	↓-1.5
4/20 03:20	109.4	↓-1.7
4/20 03:30	107.4	↓-2.0
4/20 03:40	105.2	↓-2.2
4/20 03:50	102.8	↓-2.4
4/20 04:00	100.1	↓-2.7
4/20 04:10	97.2	↓-2.9
4/20 04:20	94.2	↓-3.0
4/20 04:30	90.9	↓-3.3
4/20 04:40	87.5	↓-3.4
4/20 04:50	84.0	↓-3.5
4/20 05:00	80.3	↓-3.7
4/20 05:10	76.5	↓-3.8
4/20 05:20	72.7	↓-3.8
4/20 05:30	68.9	↓-3.8
4/20 05:40	65.1	↓-3.8
4/20 05:50	61.3	↓-3.8
4/20 06:00	57.5	↓-3.8
4/20 06:10	53.9	↓-3.6
4/20 06:20	50.3	↓-3.6
4/20 06:30	46.9	↓-3.4
4/20 06:40	43.6	↓-3.3
4/20 06:50	40.5	↓-3.1
4/20 07:00	37.6	↓-2.9
4/20 07:10	34.9	↓-2.7
4/20 07:20	32.4	↓-2.5
4/20 07:30	30.1	↓-2.3
4/20 07:40	28.1	↓-2.0
4/20 07:50	26.3	↓-1.8
4/20 08:00	24.8	↓-1.5
4/20 08:10	23.5	↓-1.3
4/20 08:20	22.5	↓-1.0
4/20 08:30	21.8	↓-0.7
4/20 08:40	21.3	↓-0.5
4/20 08:50	21.1	↓-0.2	干潮
4/20 09:00	21.3	↑0.2
4/20 09:10	21.7	↑0.4
4/20 09:20	22.4	↑0.7
4/20 09:30	23.4	↑1.0
4/20 09:40	24.8	↑1.4
4/20 09:50	26.4	↑1.6
4/20 10:00	28.3	↑1.9
4/20 10:10	30.5	↑2.2
4/20 10:20	33.0	↑2.5
4/20 10:30	35.7	↑2.7
4/20 10:40	38.7	↑3.0
4/20 10:50	41.8	↑3.1
4/20 11:00	45.2	↑3.4
4/20 11:10	48.8	↑3.6
4/20 11:20	52.4	↑3.6
4/20 11:30	56.2	↑3.8
4/20 11:40	60.0	↑3.8
4/20 11:50	63.9	↑3.9	最大潮位差
4/20 12:00	67.8	↑3.9	最大潮位差
4/20 12:10	71.7	↑3.9	最大潮位差
4/20 12:20	75.5	↑3.8
4/20 12:30	79.2	↑3.7
4/20 12:40	82.9	↑3.7
4/20 12:50	86.3	↑3.4
4/20 13:00	89.7	↑3.4
4/20 13:10	92.9	↑3.2
4/20 13:20	95.8	↑2.9
4/20 13:30	98.6	↑2.8
4/20 13:40	101.2	↑2.6
4/20 13:50	103.6	↑2.4
4/20 14:00	105.7	↑2.1
4/20 14:10	107.6	↑1.9
4/20 14:20	109.3	↑1.7
4/20 14:30	110.7	↑1.4
4/20 14:40	111.9	↑1.2
4/20 14:50	112.8	↑0.9
4/20 15:00	113.5	↑0.7
4/20 15:10	113.9	↑0.4
4/20 15:20	114.1	↑0.2	満潮
4/20 15:30	114.0	↓-0.1
4/20 15:40	113.6	↓-0.4
4/20 15:50	113.0	↓-0.6
4/20 16:00	112.1	↓-0.9
4/20 16:10	110.9	↓-1.2
4/20 16:20	109.5	↓-1.4
4/20 16:30	107.9	↓-1.6
4/20 16:40	106.0	↓-1.9
4/20 16:50	103.9	↓-2.1
4/20 17:00	101.7	↓-2.2
4/20 17:10	99.2	↓-2.5
4/20 17:20	96.7	↓-2.5
4/20 17:30	94.0	↓-2.7
4/20 17:40	91.2	↓-2.8
4/20 17:50	88.4	↓-2.8
4/20 18:00	85.6	↓-2.8
4/20 18:10	82.7	↓-2.9
4/20 18:20	79.9	↓-2.8
4/20 18:30	77.2	↓-2.7
4/20 18:40	74.5	↓-2.7
4/20 18:50	72.0	↓-2.5
4/20 19:00	69.6	↓-2.4
4/20 19:10	67.3	↓-2.3
4/20 19:20	65.3	↓-2.0
4/20 19:30	63.4	↓-1.9
4/20 19:40	61.7	↓-1.7
4/20 19:50	60.2	↓-1.5
4/20 20:00	58.9	↓-1.3
4/20 20:10	57.8	↓-1.1
4/20 20:20	57.0	↓-0.8
4/20 20:30	56.4	↓-0.6
4/20 20:40	56.0	↓-0.4
4/20 20:50	55.8	↓-0.2	干潮
4/20 21:00	55.9	↑0.1
4/20 21:10	56.3	↑0.4
4/20 21:20	56.9	↑0.6
4/20 21:30	57.7	↑0.8
4/20 21:40	58.8	↑1.1
4/20 21:50	60.1	↑1.3
4/20 22:00	61.7	↑1.6
4/20 22:10	63.5	↑1.8
4/20 22:20	65.5	↑2.0
4/20 22:30	67.8	↑2.3
4/20 22:40	70.2	↑2.4
4/20 22:50	72.9	↑2.7
4/20 23:00	75.7	↑2.8
4/20 23:10	78.6	↑2.9
4/20 23:20	81.6	↑3.0
4/20 23:30	84.7	↑3.1
4/20 23:40	87.9	↑3.2
4/20 23:50	91.1	↑3.2