18 (月)	07:26	00:51	-	15:54
	139cm	86cm	-	37cm
小潮 出 06:27 入 17:10 出 01:32 入 10:25

苫小牧（北海道）2047年02月18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
2/18 00:00	86.4	↓-0.4
2/18 00:10	86.0	↓-0.4
2/18 00:20	85.6	↓-0.4
2/18 00:30	85.4	↓-0.2
2/18 00:40	85.2	↓-0.2
2/18 00:50	85.1	↓-0.1	干潮
2/18 01:00	85.2	↑0.1
2/18 01:10	85.4	↑0.2
2/18 01:20	85.7	↑0.3
2/18 01:30	86.2	↑0.5
2/18 01:40	86.8	↑0.6
2/18 01:50	87.6	↑0.8
2/18 02:00	88.5	↑0.9
2/18 02:10	89.5	↑1.0
2/18 02:20	90.6	↑1.1
2/18 02:30	91.8	↑1.2
2/18 02:40	93.2	↑1.4
2/18 02:50	94.6	↑1.4
2/18 03:00	96.1	↑1.5
2/18 03:10	97.7	↑1.6
2/18 03:20	99.3	↑1.6
2/18 03:30	101.0	↑1.7
2/18 03:40	102.8	↑1.8
2/18 03:50	104.6	↑1.8
2/18 04:00	106.5	↑1.9
2/18 04:10	108.4	↑1.9
2/18 04:20	110.3	↑1.9
2/18 04:30	112.3	↑2.0
2/18 04:40	114.3	↑2.0
2/18 04:50	116.4	↑2.1
2/18 05:00	118.5	↑2.1
2/18 05:10	120.6	↑2.1
2/18 05:20	122.6	↑2.0
2/18 05:30	124.7	↑2.1
2/18 05:40	126.7	↑2.0
2/18 05:50	128.6	↑1.9
2/18 06:00	130.4	↑1.8
2/18 06:10	132.1	↑1.7
2/18 06:20	133.7	↑1.6
2/18 06:30	135.0	↑1.3
2/18 06:40	136.2	↑1.2
2/18 06:50	137.2	↑1.0
2/18 07:00	138.0	↑0.8
2/18 07:10	138.5	↑0.5
2/18 07:20	138.7	↑0.2	満潮
2/18 07:30	138.7	0
2/18 07:40	138.5	↓-0.2
2/18 07:50	137.9	↓-0.6
2/18 08:00	137.2	↓-0.7
2/18 08:10	136.2	↓-1.0
2/18 08:20	134.9	↓-1.3
2/18 08:30	133.5	↓-1.4
2/18 08:40	131.8	↓-1.7
2/18 08:50	130.0	↓-1.8
2/18 09:00	128.0	↓-2.0
2/18 09:10	125.9	↓-2.1
2/18 09:20	123.6	↓-2.3
2/18 09:30	121.2	↓-2.4
2/18 09:40	118.7	↓-2.5
2/18 09:50	116.1	↓-2.6
2/18 10:00	113.4	↓-2.7
2/18 10:10	110.6	↓-2.8
2/18 10:20	107.8	↓-2.8
2/18 10:30	104.8	↓-3.0
2/18 10:40	101.8	↓-3.0
2/18 10:50	98.8	↓-3.0
2/18 11:00	95.7	↓-3.1
2/18 11:10	92.5	↓-3.2
2/18 11:20	89.3	↓-3.2
2/18 11:30	86.1	↓-3.2
2/18 11:40	82.8	↓-3.3	最大潮位差
2/18 11:50	79.6	↓-3.2
2/18 12:00	76.4	↓-3.2
2/18 12:10	73.2	↓-3.2
2/18 12:20	70.0	↓-3.2
2/18 12:30	67.0	↓-3.0
2/18 12:40	64.0	↓-3.0
2/18 12:50	61.1	↓-2.9
2/18 13:00	58.4	↓-2.7
2/18 13:10	55.8	↓-2.6
2/18 13:20	53.4	↓-2.4
2/18 13:30	51.1	↓-2.3
2/18 13:40	49.0	↓-2.1
2/18 13:50	47.0	↓-2.0
2/18 14:00	45.2	↓-1.8
2/18 14:10	43.6	↓-1.6
2/18 14:20	42.2	↓-1.4
2/18 14:30	41.0	↓-1.2
2/18 14:40	39.9	↓-1.1
2/18 14:50	38.9	↓-1.0
2/18 15:00	38.1	↓-0.8
2/18 15:10	37.5	↓-0.6
2/18 15:20	37.0	↓-0.5
2/18 15:30	36.6	↓-0.4
2/18 15:40	36.4	↓-0.2
2/18 15:50	36.3	↓-0.1	干潮
2/18 16:00	36.3	0
2/18 16:10	36.4	↑0.1
2/18 16:20	36.7	↑0.3
2/18 16:30	37.2	↑0.5
2/18 16:40	37.7	↑0.5
2/18 16:50	38.4	↑0.7
2/18 17:00	39.3	↑0.9
2/18 17:10	40.3	↑1.0
2/18 17:20	41.4	↑1.1
2/18 17:30	42.6	↑1.2
2/18 17:40	44.0	↑1.4
2/18 17:50	45.4	↑1.4
2/18 18:00	47.0	↑1.6
2/18 18:10	48.7	↑1.7
2/18 18:20	50.4	↑1.7
2/18 18:30	52.1	↑1.7
2/18 18:40	53.9	↑1.8
2/18 18:50	55.8	↑1.9
2/18 19:00	57.6	↑1.8
2/18 19:10	59.4	↑1.8
2/18 19:20	61.2	↑1.8
2/18 19:30	62.9	↑1.7
2/18 19:40	64.6	↑1.7
2/18 19:50	66.2	↑1.6
2/18 20:00	67.8	↑1.6
2/18 20:10	69.3	↑1.5
2/18 20:20	70.7	↑1.4
2/18 20:30	72.1	↑1.4
2/18 20:40	73.5	↑1.4
2/18 20:50	74.7	↑1.2
2/18 21:00	76.0	↑1.3
2/18 21:10	77.2	↑1.2
2/18 21:20	78.4	↑1.2
2/18 21:30	79.5	↑1.1
2/18 21:40	80.6	↑1.1
2/18 21:50	81.7	↑1.1
2/18 22:00	82.8	↑1.1
2/18 22:10	83.8	↑1.0
2/18 22:20	84.8	↑1.0
2/18 22:30	85.8	↑1.0
2/18 22:40	86.8	↑1.0
2/18 22:50	87.6	↑0.8
2/18 23:00	88.5	↑0.9
2/18 23:10	89.3	↑0.8
2/18 23:20	90.0	↑0.7
2/18 23:30	90.7	↑0.7
2/18 23:40	91.3	↑0.6
2/18 23:50	91.8	↑0.5