20 (金)	06:02	11:53	17:44	-
	124cm	38cm	126cm	-
中潮 出 06:21 入 17:24 出 07:36 入 20:22

日立（茨城）2026年02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
2/20 00:00	12.1	↑0.8
2/20 00:10	13.2	↑1.1
2/20 00:20	14.7	↑1.5
2/20 00:30	16.6	↑1.9
2/20 00:40	18.8	↑2.2
2/20 00:50	21.3	↑2.5
2/20 01:00	24.1	↑2.8
2/20 01:10	27.3	↑3.2
2/20 01:20	30.7	↑3.4
2/20 01:30	34.4	↑3.7
2/20 01:40	38.3	↑3.9
2/20 01:50	42.4	↑4.1
2/20 02:00	46.7	↑4.3
2/20 02:10	51.1	↑4.4
2/20 02:20	55.7	↑4.6
2/20 02:30	60.3	↑4.6
2/20 02:40	64.9	↑4.6
2/20 02:50	69.6	↑4.7	最大潮位差
2/20 03:00	74.2	↑4.6
2/20 03:10	78.7	↑4.5
2/20 03:20	83.2	↑4.5
2/20 03:30	87.6	↑4.4
2/20 03:40	91.8	↑4.2
2/20 03:50	95.8	↑4.0
2/20 04:00	99.6	↑3.8
2/20 04:10	103.2	↑3.6
2/20 04:20	106.5	↑3.3
2/20 04:30	109.6	↑3.1
2/20 04:40	112.4	↑2.8
2/20 04:50	114.9	↑2.5
2/20 05:00	117.1	↑2.2
2/20 05:10	119.0	↑1.9
2/20 05:20	120.6	↑1.6
2/20 05:30	121.8	↑1.2
2/20 05:40	122.7	↑0.9
2/20 05:50	123.2	↑0.5
2/20 06:00	123.4	↑0.2	満潮
2/20 06:10	123.2	↓-0.2
2/20 06:20	122.7	↓-0.5
2/20 06:30	121.9	↓-0.8
2/20 06:40	120.7	↓-1.2
2/20 06:50	119.2	↓-1.5
2/20 07:00	117.4	↓-1.8
2/20 07:10	115.2	↓-2.2
2/20 07:20	112.8	↓-2.4
2/20 07:30	110.1	↓-2.7
2/20 07:40	107.1	↓-3.0
2/20 07:50	103.9	↓-3.2
2/20 08:00	100.5	↓-3.4
2/20 08:10	97.0	↓-3.5
2/20 08:20	93.3	↓-3.7
2/20 08:30	89.5	↓-3.8
2/20 08:40	85.7	↓-3.8
2/20 08:50	81.8	↓-3.9
2/20 09:00	77.9	↓-3.9
2/20 09:10	74.0	↓-3.9
2/20 09:20	70.2	↓-3.8
2/20 09:30	66.5	↓-3.7
2/20 09:40	62.9	↓-3.6
2/20 09:50	59.5	↓-3.4
2/20 10:00	56.2	↓-3.3
2/20 10:10	53.1	↓-3.1
2/20 10:20	50.3	↓-2.8
2/20 10:30	47.7	↓-2.6
2/20 10:40	45.3	↓-2.4
2/20 10:50	43.3	↓-2.0
2/20 11:00	41.5	↓-1.8
2/20 11:10	40.0	↓-1.5
2/20 11:20	38.8	↓-1.2
2/20 11:30	37.9	↓-0.9
2/20 11:40	37.4	↓-0.5
2/20 11:50	37.1	↓-0.3	干潮
2/20 12:00	37.3	↑0.2
2/20 12:10	37.7	↑0.4
2/20 12:20	38.5	↑0.8
2/20 12:30	39.6	↑1.1
2/20 12:40	41.0	↑1.4
2/20 12:50	42.8	↑1.8
2/20 13:00	44.9	↑2.1
2/20 13:10	47.2	↑2.3
2/20 13:20	49.9	↑2.7
2/20 13:30	52.8	↑2.9
2/20 13:40	55.9	↑3.1
2/20 13:50	59.3	↑3.4
2/20 14:00	62.8	↑3.5
2/20 14:10	66.5	↑3.7
2/20 14:20	70.4	↑3.9
2/20 14:30	74.3	↑3.9
2/20 14:40	78.3	↑4.0
2/20 14:50	82.3	↑4.0
2/20 15:00	86.2	↑3.9
2/20 15:10	90.2	↑4.0
2/20 15:20	94.0	↑3.8
2/20 15:30	97.8	↑3.8
2/20 15:40	101.4	↑3.6
2/20 15:50	104.8	↑3.4
2/20 16:00	108.1	↑3.3
2/20 16:10	111.1	↑3.0
2/20 16:20	113.9	↑2.8
2/20 16:30	116.4	↑2.5
2/20 16:40	118.6	↑2.2
2/20 16:50	120.5	↑1.9
2/20 17:00	122.1	↑1.6
2/20 17:10	123.4	↑1.3
2/20 17:20	124.3	↑0.9
2/20 17:30	125.0	↑0.7
2/20 17:40	125.2	↑0.2	満潮
2/20 17:50	125.2	0
2/20 18:00	124.8	↓-0.4
2/20 18:10	124.0	↓-0.8
2/20 18:20	122.9	↓-1.1
2/20 18:30	121.5	↓-1.4
2/20 18:40	119.8	↓-1.7
2/20 18:50	117.7	↓-2.1
2/20 19:00	115.3	↓-2.4
2/20 19:10	112.7	↓-2.6
2/20 19:20	109.7	↓-3.0
2/20 19:30	106.5	↓-3.2
2/20 19:40	103.1	↓-3.4
2/20 19:50	99.4	↓-3.7
2/20 20:00	95.6	↓-3.8
2/20 20:10	91.6	↓-4.0
2/20 20:20	87.5	↓-4.1
2/20 20:30	83.3	↓-4.2
2/20 20:40	79.0	↓-4.3
2/20 20:50	74.6	↓-4.4
2/20 21:00	70.3	↓-4.3
2/20 21:10	66.0	↓-4.3
2/20 21:20	61.8	↓-4.2
2/20 21:30	57.7	↓-4.1
2/20 21:40	53.7	↓-4.0
2/20 21:50	49.8	↓-3.9
2/20 22:00	46.2	↓-3.6
2/20 22:10	42.7	↓-3.5
2/20 22:20	39.5	↓-3.2
2/20 22:30	36.5	↓-3.0
2/20 22:40	33.8	↓-2.7
2/20 22:50	31.4	↓-2.4
2/20 23:00	29.3	↓-2.1
2/20 23:10	27.4	↓-1.9
2/20 23:20	25.9	↓-1.5
2/20 23:30	24.8	↓-1.1
2/20 23:40	23.9	↓-0.9
2/20 23:50	23.4	↓-0.5